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Big Blue Lilyturf - 1 Gallon

SKU: 231055
UPC: 014949021248
$14.99
  • Exceptionally tough and low-maintenance evergreen perennial that thrives in full sun to full shade, making it one of the most versatile groundcovers available for challenging landscape spots.
  • Produces showy upright spikes of densely clustered violet-purple flowers in late summer and early fall, followed by ornamental glossy black berries that persist well into winter.
  • Forms handsome, arching clumps of dark green, strap-like foliage that remains attractive year-round, providing reliable texture and structure even through the coldest months.
  • Deer and rabbit resistant, drought tolerant once established, and adaptable to a wide range of soil types including clay — a true problem-solver for difficult garden areas.

Big Blue Lilyturf (Liriope muscari) is a beloved evergreen perennial groundcover prized for its graceful, arching clumps of glossy dark green, strap-like foliage and late-season bursts of rich violet-purple flower spikes. Native to China, Japan, Taiwan, and Korea, this remarkably adaptable plant performs beautifully across a wide range of garden conditions — from full sun to deep shade — making it an indispensable workhorse in landscapes throughout Southern Oregon and Northern California. In late summer through early fall, erect racemes packed with small, densely clustered violet-purple blooms rise 6 to 13 inches above the foliage, resembling miniature grape hyacinths and providing vivid color exactly when most perennials begin to fade. These flowers give way to glossy black berries that cling to the stems well into winter, adding subtle seasonal interest long after bloom. Hardy in USDA Zones 5 through 10, Big Blue Lilyturf tolerates heat, humidity, drought once established, compacted clay soils, and urban pollution, while remaining naturally resistant to browsing deer and rabbits. Whether used as a tidy border edging along paths and driveways, a weed-suppressing mass groundcover on slopes, a low-maintenance underplanting beneath trees, or an elegant lawn alternative in shady spots where turf grass struggles, Big Blue Lilyturf delivers year-round beauty with minimal effort — earning it a well-deserved Award of Garden Merit from the Royal Horticultural Society.


Plant Description

Big Blue Lilyturf (Liriope muscari) is a clump-forming, broadleaf evergreen perennial that produces dense tufts of narrow, arching, strap-like leaves approximately 1/2 inch wide and up to 24 inches long. The foliage is glossy, deep green, and remains attractive throughout the year, providing consistent texture and structure in the landscape even during winter months. In late summer and early fall, upright flower racemes emerge from the center of the clumps, bearing tightly packed whorls of small, bell-shaped violet-purple blooms that closely resemble those of the grape hyacinth (Muscari) — the inspiration for the plant's species name. Flowers persist for several weeks before maturing into round, single-seeded, glossy black berries that often remain on the plant well into winter. Big Blue Lilyturf is not a true grass; it belongs to the Asparagaceae (asparagus) family and has tough, fibrous roots rather than spreading rhizomes, distinguishing it from the more aggressive Liriope spicata.

Mature Size
DimensionTypical Range
Plant Height12 to 18 inches
Plant Spread12 to 24 inches
Flower Spike Height6 to 13 inches above foliage
Leaf WidthApproximately 1/2 inch
Time to Reach Mature Size2 to 5 years

Big Blue Lilyturf grows at a moderate pace, slowly expanding its clump outward each season. Individual clumps remain tidy and well-behaved, making spacing of 12 to 18 inches apart ideal for mass planting areas to allow the plants to gradually knit into a continuous, weed-suppressing groundcover.

Hardiness Zones

Big Blue Lilyturf is hardy in USDA Plant Hardiness Zones 5 through 10, making it an excellent choice for a very broad range of climates. It is also rated for AHS Heat Zones 1 through 11, confirming its outstanding heat tolerance. In Zones 6 through 10, the foliage remains fully evergreen throughout winter. In Zone 5 and colder portions of Zone 6, some foliage may discolor or flatten during harsh winters, but the plant reliably regenerates vigorous fresh growth in spring after being cut back. In the Southern Oregon and Northern California region, Big Blue Lilyturf is exceptionally well-suited and performs as a reliable, fully evergreen perennial groundcover year-round.

Sunlight Requirements
  • Full Sun: Tolerates 6 or more hours of direct sunlight daily and produces its most abundant flower display in sun, provided the soil retains adequate moisture. In very hot, exposed locations, afternoon shade helps protect foliage quality.
  • Part Shade: Often considered the ideal condition, especially in hot-summer climates. Foliage stays lush and deeply green, and flowering remains strong with 2 to 6 hours of direct sun daily.
  • Full Shade: Tolerates dense shade, including beneath established trees where little else will grow. Flowering may be somewhat reduced and leaf blades can become slightly more elongated in very deep shade, but plants remain healthy and evergreen.

Protect plants from prolonged exposure to cold, drying winter winds, especially in the northern end of its hardiness range. In exposed, windy full-sun spots, foliage can suffer wind scorch during the hottest or coldest periods of the year.

Soil and pH Preferences

Big Blue Lilyturf is highly adaptable and tolerates a wide range of soil conditions that would challenge many other perennials. For best performance, plant in moderately fertile, humus-rich, moist but well-drained soil. It grows well in average garden soils and even handles clay and compacted urban soils once established. The preferred soil pH range is slightly acidic to neutral, approximately 6.0 to 7.0. Avoid highly alkaline soils and situations with persistent waterlogging or boggy conditions, which can lead to root and crown rot. Incorporating compost into the planting area improves drainage in clay soils and moisture retention in sandy soils, giving plants an excellent start. Big Blue Lilyturf does not require highly fertile soil and is not a heavy feeder — excessively rich soils can actually promote overly lush, floppy foliage at the expense of flowers.

Watering Guide

During Establishment (Year 1): Water regularly and consistently to keep the root zone evenly moist while the plant settles in. Aim for approximately 1 inch of water per week, adjusting for rainfall and temperature. More frequent watering may be needed during hot, dry spells or in full-sun locations.

Established Plants: Once established, Big Blue Lilyturf is drought tolerant and generally requires little to no supplemental irrigation beyond natural rainfall in most climates. During extended heat waves or prolonged dry periods, a deep watering once a week will maintain the best foliage appearance and flowering performance.

Watering Tips:

  • Water at the base of the plant rather than overhead to reduce the risk of fungal leaf issues.
  • Water in the morning or evening, never during the heat of the day.
  • Avoid overwatering or allowing water to pool around the crowns, as this encourages crown rot.
  • Apply a 2-inch layer of organic mulch around plants to retain soil moisture, moderate soil temperature, and reduce watering frequency.
Fertilizing

Big Blue Lilyturf has modest nutritional needs and does not require heavy feeding. Overfertilizing can result in excessively lush, floppy foliage with reduced flowering. Follow these simple guidelines for best results:

  • In-Ground Plants: A light top dressing of compost or well-aged organic matter applied in early spring is usually sufficient to maintain healthy, vigorous clumps. If additional feeding is desired, apply a balanced, slow-release granular fertilizer (such as a 10-10-10 formulation) once in early spring as new growth emerges.
  • Container-Grown Plants: Pot-grown specimens benefit from more regular feeding. Apply a diluted liquid fertilizer formulated for flowering plants every four weeks from April through September.
  • Newly Planted: No fertilizer is needed immediately at planting if fresh compost has been worked into the soil. Begin light feeding in the plant's second growing season.
  • Discontinue all fertilizing in late summer or early fall to allow plants to harden off naturally before cooler temperatures arrive.
Pruning and Maintenance

Big Blue Lilyturf is one of the lowest-maintenance perennials available, requiring only minimal care to look its best year after year.

  • Annual Cutback: The most important maintenance task is cutting all foliage back to just above ground level in late winter or very early spring, before new leaves begin to emerge. This removes any winter-tatty or frost-damaged foliage and ensures fresh, uniform new growth for the coming season. A pair of hand shears, hedge trimmers, or even a lawn mower set to its highest blade setting works well for larger plantings.
  • Timing: Do not cut back too early in winter while plants may still be providing overwintering habitat for beneficial insects. Wait until late winter — February to early March in most areas — just before you see new growth beginning to push from the crown.
  • Deadheading: Spent flower spikes can be removed after blooming if desired for a tidier appearance, or left in place to develop the ornamental black berries that persist into winter.
  • Edging: Trim any stray or wayward leaf blades at any time to maintain a neat edge along paths, borders, or driveways.
  • Division: Divide congested clumps every 2 to 3 years in early spring to maintain plant vigor and create additional plants. Divided plants may take one season to fully reestablish before flowering resumes strongly.
Planting Instructions
  1. Choose the Right Time: Plant in spring (March through April) or in early fall when temperatures are cooler and soils are moist, giving plants time to establish before extreme heat or cold arrives.
  2. Prepare the Site: Loosen the soil to a depth of 8 to 12 inches and work in a generous shovelful of compost to improve drainage, fertility, and soil structure. Remove weeds from the planting area.
  3. Dig the Hole: Dig a hole approximately twice as wide as the root ball and at the same depth. Loosen any compacted soil at the bottom of the hole.
  4. Set the Plant: Remove the plant from its container and gently loosen any circling roots. Set the plant in the hole so the top of the root ball is level with the surrounding soil surface. Do not bury the crown deeper than it was growing in the container.
  5. Backfill and Firm: Fill in with the native soil, gently firming around the roots to eliminate air pockets. Do not over-compress the soil.
  6. Water Thoroughly: Water deeply immediately after planting to settle the soil around the roots.
  7. Mulch: Apply a 2-inch layer of organic mulch (bark, shredded leaves, or wood chips) around the plant, keeping mulch a few inches away from the crown to prevent rot.
  8. Spacing for Mass Plantings: Space plants 12 to 18 inches apart to allow clumps to gradually fill in and form a continuous, weed-suppressing groundcover.
Landscape Uses

Big Blue Lilyturf is one of the most versatile and problem-solving plants in the landscape. Its adaptability to a wide range of conditions makes it useful in many situations:

  • Border Edging: Creates crisp, attractive edges along walkways, driveways, garden paths, pool decks, and patio borders with year-round evergreen structure.
  • Mass Groundcover: Plant in sweeping drifts or "rivers" through shrub borders and mixed beds to unify the design, suppress weeds, and reduce overall maintenance.
  • Under Trees and Shrubs: Thrives in the root competition and shade beneath established trees where lawn grasses and many other plants struggle to survive.
  • Slope and Bank Stabilization: Dense roots and tightly knit foliage help control erosion on slopes and banks while suppressing weeds.
  • Lawn Substitute: Makes an attractive, low-maintenance alternative to traditional turf in areas that receive only occasional light foot traffic.
  • Container and Planter Accent: Adds a graceful, fountaining foliage element to pots, planters, and raised beds on patios and balconies.
  • Tree Ring Plantings: Ideal for planting around the base of specimen trees to create a polished, finished look while eliminating the need for string trimming near trunks.
  • Rock Gardens: Works beautifully at the edges of rock gardens, softening hard stone surfaces with its arching, grass-like foliage.
Seasonal Interest
SeasonOrnamental Feature
SpringFresh, bright green new foliage emerges from the crown, replacing any winter-cut leaves with a clean, lush carpet of growth.
SummerDeep, glossy green arching foliage provides bold texture and reliable evergreen structure throughout the hottest months.
Late Summer - FallUpright spikes of showy violet-purple flowers bloom from August through October, adding vibrant color exactly when many other perennials have finished for the season.
Fall - WinterGlossy black berries follow the flowers and persist on the plant well into winter, providing subtle ornamental interest and a small food source for wildlife.
WinterEvergreen foliage maintains its deep green color and form throughout winter in Zones 6-10, providing continuous structure and texture in the dormant garden.
Companion Plants

Big Blue Lilyturf pairs beautifully with a wide range of perennials, shrubs, and trees that share similar light and moisture preferences. Consider the following companions for striking garden combinations:

  • Hostas: Bold, broad hosta leaves create a dramatic contrast in texture and form against the fine, grassy foliage of Liriope in shaded beds.
  • Astilbe: Feathery astilbe plumes complement the upright Liriope flower spikes, and both thrive in part shade with consistent moisture.
  • Bleeding Heart (Dicentra): The delicate, arching flowers of bleeding heart pair elegantly with Liriope's evergreen foliage in lightly shaded borders.
  • Coneflower (Echinacea): Provides bold summer color in sunnier locations as a foreground or mid-border companion.
  • Japanese Maples: The refined, arching foliage of Liriope makes a natural underplanting beneath the graceful canopy of Japanese maples.
  • Ornamental Grasses: Contrasting larger grasses such as muhly grass or blue oat grass with Liriope creates layered texture in sunny borders.
  • Hellebores: Both are shade-tolerant, evergreen perennials that complement each other well in woodland garden settings.
  • Ferns: Soft fern fronds combine beautifully with the stiffer, glossy Liriope foliage in shaded, moist areas.
  • Azaleas and Rhododendrons: Liriope is a classic and tidy underplanting beneath these acid-loving shrubs, sharing similar soil pH preferences.
Pests and Diseases

Big Blue Lilyturf is notably resistant to most pests and diseases and is considered one of the toughest and most trouble-free perennials available. However, the following occasional issues may arise:

  • Anthracnose (Colletotrichum species): The most common disease issue. Appears as reddish-brown spots along leaf tips and margins that may cause leaf dieback. Manage by removing and disposing of affected foliage, improving air circulation, avoiding overhead watering, and cutting plants back hard in late winter to remove all affected old growth. Fungicides can be applied in severe cases.
  • Crown and Root Rot (Phytophthora): Caused by overly wet or waterlogged soils. Interior foliage may turn yellow. Prevent by ensuring excellent drainage at planting time and keeping mulch away from the plant's crown. Remove and dispose of severely affected plants to prevent spread.
  • Leaf Spot (Fungal): Prolonged wet foliage and poor air circulation can invite fungal leaf spots. Remove affected leaves, avoid wetting foliage, and thin congested plantings.
  • Slugs and Snails: May nibble on young foliage in cool, damp, shaded conditions. Keep the surrounding area free of debris and apply diatomaceous earth or slug traps if damage is significant. Remove mulch temporarily during severe infestations.
  • Aphids and Mealybugs: Occasional infestations on stressed plants. Treat with a strong spray of water to dislodge, or apply insecticidal soap or horticultural oil as needed.
  • Spider Mites: May appear on plants growing in very hot, dry conditions. Consistent watering and avoiding overly stressed plants reduces susceptibility.
Container Growing

Big Blue Lilyturf performs very well in containers and patio planters, bringing year-round evergreen structure and late-season flowers to outdoor living spaces. Follow these tips for success in containers:

  • Select a container with ample drainage holes. A pot at least 12 inches in diameter and depth provides adequate root room for a single specimen.
  • Use a high-quality, well-draining potting mix amended with compost. Avoid heavy garden soil, which compacts in containers and impedes drainage.
  • Container-grown plants dry out more quickly than in-ground plants. Check soil moisture regularly and water when the top inch of the potting mix feels dry, but never allow the pot to sit in standing water.
  • Feed container plants with a diluted liquid fertilizer for flowering plants every four weeks from April through September to compensate for nutrients leaching from the pot with regular watering.
  • In very cold winter climates, move containers to a sheltered location — an unheated garage, shed, or covered patio — to protect roots from freezing temperatures that an in-ground plant would naturally withstand.
  • Repot when roots begin to emerge from drainage holes, moving up one pot size and refreshing the potting mix.
  • Big Blue Lilyturf combines beautifully in large mixed containers with shade-tolerant companions such as hostas, ferns, and impatiens.
Wildlife Value

Big Blue Lilyturf offers several ecological benefits in the garden while also being naturally resistant to unwanted browsing:

  • Pollinators: The late summer flower spikes attract bees and other late-season pollinators at a time when many other nectar sources are diminishing. This makes Liriope a valuable late-season foraging plant in pollinator-friendly gardens.
  • Birds: The glossy black berries that develop after flowering and persist through winter can attract berry-eating birds to the garden during the colder months.
  • Beneficial Insects: The dense evergreen foliage and leaf litter beneath established clumps provide overwintering habitat for ground-dwelling beneficial insects. It is recommended to delay the annual cutback until late winter for this reason.
  • Deer Resistance: The tough, fibrous foliage of Big Blue Lilyturf is not preferred by deer and is widely regarded as reliably deer resistant — an important quality for gardens in Southern Oregon and Northern California where deer pressure is common.
  • Rabbit Resistance: Similarly resistant to rabbit browsing, making it a dependable choice for gardens where rabbits are a recurring problem.
Propagation

Big Blue Lilyturf can be propagated by two methods: division and seed. Division is by far the preferred and most practical approach for home gardeners.

Division (Recommended):

  1. The best time to divide is in early spring (March to May) before new growth becomes extensive, or alternatively in early fall.
  2. Wait until clumps have been in place for at least two to three growing seasons before dividing for the best results.
  3. Dig out the entire root ball with a spade or garden fork, digging generously around the perimeter to capture the full root system.
  4. Shake or rinse off excess soil to expose the crowns and root structure.
  5. Using a sharp, clean garden knife or spade, cut the clump into sections, ensuring each division has at least 2 to 3 healthy crowns and a good portion of roots attached.
  6. Replant divisions immediately at the same soil depth they were previously growing, firm in well, and water thoroughly.
  7. Keep divisions consistently moist throughout their first growing season to ensure successful establishment.

Seed: Possible but significantly more time-consuming and less predictable. Seeds require removal of the berry pulp (which contains germination inhibitors), followed by a period of stratification. Germination can be slow and uneven. Growing from division is strongly recommended over seed propagation for most gardeners.

 
  • Exceptionally tough and low-maintenance evergreen perennial that thrives in full sun to full shade, making it one of the most versatile groundcovers available for challenging landscape spots.
  • Produces showy upright spikes of densely clustered violet-purple flowers in late summer and early fall, followed by ornamental glossy black berries that persist well into winter.
  • Forms handsome, arching clumps of dark green, strap-like foliage that remains attractive year-round, providing reliable texture and structure even through the coldest months.
  • Deer and rabbit resistant, drought tolerant once established, and adaptable to a wide range of soil types including clay — a true problem-solver for difficult garden areas.

Big Blue Lilyturf (Liriope muscari) is a beloved evergreen perennial groundcover prized for its graceful, arching clumps of glossy dark green, strap-like foliage and late-season bursts of rich violet-purple flower spikes. Native to China, Japan, Taiwan, and Korea, this remarkably adaptable plant performs beautifully across a wide range of garden conditions — from full sun to deep shade — making it an indispensable workhorse in landscapes throughout Southern Oregon and Northern California. In late summer through early fall, erect racemes packed with small, densely clustered violet-purple blooms rise 6 to 13 inches above the foliage, resembling miniature grape hyacinths and providing vivid color exactly when most perennials begin to fade. These flowers give way to glossy black berries that cling to the stems well into winter, adding subtle seasonal interest long after bloom. Hardy in USDA Zones 5 through 10, Big Blue Lilyturf tolerates heat, humidity, drought once established, compacted clay soils, and urban pollution, while remaining naturally resistant to browsing deer and rabbits. Whether used as a tidy border edging along paths and driveways, a weed-suppressing mass groundcover on slopes, a low-maintenance underplanting beneath trees, or an elegant lawn alternative in shady spots where turf grass struggles, Big Blue Lilyturf delivers year-round beauty with minimal effort — earning it a well-deserved Award of Garden Merit from the Royal Horticultural Society.


Plant Description

Big Blue Lilyturf (Liriope muscari) is a clump-forming, broadleaf evergreen perennial that produces dense tufts of narrow, arching, strap-like leaves approximately 1/2 inch wide and up to 24 inches long. The foliage is glossy, deep green, and remains attractive throughout the year, providing consistent texture and structure in the landscape even during winter months. In late summer and early fall, upright flower racemes emerge from the center of the clumps, bearing tightly packed whorls of small, bell-shaped violet-purple blooms that closely resemble those of the grape hyacinth (Muscari) — the inspiration for the plant's species name. Flowers persist for several weeks before maturing into round, single-seeded, glossy black berries that often remain on the plant well into winter. Big Blue Lilyturf is not a true grass; it belongs to the Asparagaceae (asparagus) family and has tough, fibrous roots rather than spreading rhizomes, distinguishing it from the more aggressive Liriope spicata.

Mature Size
DimensionTypical Range
Plant Height12 to 18 inches
Plant Spread12 to 24 inches
Flower Spike Height6 to 13 inches above foliage
Leaf WidthApproximately 1/2 inch
Time to Reach Mature Size2 to 5 years

Big Blue Lilyturf grows at a moderate pace, slowly expanding its clump outward each season. Individual clumps remain tidy and well-behaved, making spacing of 12 to 18 inches apart ideal for mass planting areas to allow the plants to gradually knit into a continuous, weed-suppressing groundcover.

Hardiness Zones

Big Blue Lilyturf is hardy in USDA Plant Hardiness Zones 5 through 10, making it an excellent choice for a very broad range of climates. It is also rated for AHS Heat Zones 1 through 11, confirming its outstanding heat tolerance. In Zones 6 through 10, the foliage remains fully evergreen throughout winter. In Zone 5 and colder portions of Zone 6, some foliage may discolor or flatten during harsh winters, but the plant reliably regenerates vigorous fresh growth in spring after being cut back. In the Southern Oregon and Northern California region, Big Blue Lilyturf is exceptionally well-suited and performs as a reliable, fully evergreen perennial groundcover year-round.

Sunlight Requirements
  • Full Sun: Tolerates 6 or more hours of direct sunlight daily and produces its most abundant flower display in sun, provided the soil retains adequate moisture. In very hot, exposed locations, afternoon shade helps protect foliage quality.
  • Part Shade: Often considered the ideal condition, especially in hot-summer climates. Foliage stays lush and deeply green, and flowering remains strong with 2 to 6 hours of direct sun daily.
  • Full Shade: Tolerates dense shade, including beneath established trees where little else will grow. Flowering may be somewhat reduced and leaf blades can become slightly more elongated in very deep shade, but plants remain healthy and evergreen.

Protect plants from prolonged exposure to cold, drying winter winds, especially in the northern end of its hardiness range. In exposed, windy full-sun spots, foliage can suffer wind scorch during the hottest or coldest periods of the year.

Soil and pH Preferences

Big Blue Lilyturf is highly adaptable and tolerates a wide range of soil conditions that would challenge many other perennials. For best performance, plant in moderately fertile, humus-rich, moist but well-drained soil. It grows well in average garden soils and even handles clay and compacted urban soils once established. The preferred soil pH range is slightly acidic to neutral, approximately 6.0 to 7.0. Avoid highly alkaline soils and situations with persistent waterlogging or boggy conditions, which can lead to root and crown rot. Incorporating compost into the planting area improves drainage in clay soils and moisture retention in sandy soils, giving plants an excellent start. Big Blue Lilyturf does not require highly fertile soil and is not a heavy feeder — excessively rich soils can actually promote overly lush, floppy foliage at the expense of flowers.

Watering Guide

During Establishment (Year 1): Water regularly and consistently to keep the root zone evenly moist while the plant settles in. Aim for approximately 1 inch of water per week, adjusting for rainfall and temperature. More frequent watering may be needed during hot, dry spells or in full-sun locations.

Established Plants: Once established, Big Blue Lilyturf is drought tolerant and generally requires little to no supplemental irrigation beyond natural rainfall in most climates. During extended heat waves or prolonged dry periods, a deep watering once a week will maintain the best foliage appearance and flowering performance.

Watering Tips:

  • Water at the base of the plant rather than overhead to reduce the risk of fungal leaf issues.
  • Water in the morning or evening, never during the heat of the day.
  • Avoid overwatering or allowing water to pool around the crowns, as this encourages crown rot.
  • Apply a 2-inch layer of organic mulch around plants to retain soil moisture, moderate soil temperature, and reduce watering frequency.
Fertilizing

Big Blue Lilyturf has modest nutritional needs and does not require heavy feeding. Overfertilizing can result in excessively lush, floppy foliage with reduced flowering. Follow these simple guidelines for best results:

  • In-Ground Plants: A light top dressing of compost or well-aged organic matter applied in early spring is usually sufficient to maintain healthy, vigorous clumps. If additional feeding is desired, apply a balanced, slow-release granular fertilizer (such as a 10-10-10 formulation) once in early spring as new growth emerges.
  • Container-Grown Plants: Pot-grown specimens benefit from more regular feeding. Apply a diluted liquid fertilizer formulated for flowering plants every four weeks from April through September.
  • Newly Planted: No fertilizer is needed immediately at planting if fresh compost has been worked into the soil. Begin light feeding in the plant's second growing season.
  • Discontinue all fertilizing in late summer or early fall to allow plants to harden off naturally before cooler temperatures arrive.
Pruning and Maintenance

Big Blue Lilyturf is one of the lowest-maintenance perennials available, requiring only minimal care to look its best year after year.

  • Annual Cutback: The most important maintenance task is cutting all foliage back to just above ground level in late winter or very early spring, before new leaves begin to emerge. This removes any winter-tatty or frost-damaged foliage and ensures fresh, uniform new growth for the coming season. A pair of hand shears, hedge trimmers, or even a lawn mower set to its highest blade setting works well for larger plantings.
  • Timing: Do not cut back too early in winter while plants may still be providing overwintering habitat for beneficial insects. Wait until late winter — February to early March in most areas — just before you see new growth beginning to push from the crown.
  • Deadheading: Spent flower spikes can be removed after blooming if desired for a tidier appearance, or left in place to develop the ornamental black berries that persist into winter.
  • Edging: Trim any stray or wayward leaf blades at any time to maintain a neat edge along paths, borders, or driveways.
  • Division: Divide congested clumps every 2 to 3 years in early spring to maintain plant vigor and create additional plants. Divided plants may take one season to fully reestablish before flowering resumes strongly.
Planting Instructions
  1. Choose the Right Time: Plant in spring (March through April) or in early fall when temperatures are cooler and soils are moist, giving plants time to establish before extreme heat or cold arrives.
  2. Prepare the Site: Loosen the soil to a depth of 8 to 12 inches and work in a generous shovelful of compost to improve drainage, fertility, and soil structure. Remove weeds from the planting area.
  3. Dig the Hole: Dig a hole approximately twice as wide as the root ball and at the same depth. Loosen any compacted soil at the bottom of the hole.
  4. Set the Plant: Remove the plant from its container and gently loosen any circling roots. Set the plant in the hole so the top of the root ball is level with the surrounding soil surface. Do not bury the crown deeper than it was growing in the container.
  5. Backfill and Firm: Fill in with the native soil, gently firming around the roots to eliminate air pockets. Do not over-compress the soil.
  6. Water Thoroughly: Water deeply immediately after planting to settle the soil around the roots.
  7. Mulch: Apply a 2-inch layer of organic mulch (bark, shredded leaves, or wood chips) around the plant, keeping mulch a few inches away from the crown to prevent rot.
  8. Spacing for Mass Plantings: Space plants 12 to 18 inches apart to allow clumps to gradually fill in and form a continuous, weed-suppressing groundcover.
Landscape Uses

Big Blue Lilyturf is one of the most versatile and problem-solving plants in the landscape. Its adaptability to a wide range of conditions makes it useful in many situations:

  • Border Edging: Creates crisp, attractive edges along walkways, driveways, garden paths, pool decks, and patio borders with year-round evergreen structure.
  • Mass Groundcover: Plant in sweeping drifts or "rivers" through shrub borders and mixed beds to unify the design, suppress weeds, and reduce overall maintenance.
  • Under Trees and Shrubs: Thrives in the root competition and shade beneath established trees where lawn grasses and many other plants struggle to survive.
  • Slope and Bank Stabilization: Dense roots and tightly knit foliage help control erosion on slopes and banks while suppressing weeds.
  • Lawn Substitute: Makes an attractive, low-maintenance alternative to traditional turf in areas that receive only occasional light foot traffic.
  • Container and Planter Accent: Adds a graceful, fountaining foliage element to pots, planters, and raised beds on patios and balconies.
  • Tree Ring Plantings: Ideal for planting around the base of specimen trees to create a polished, finished look while eliminating the need for string trimming near trunks.
  • Rock Gardens: Works beautifully at the edges of rock gardens, softening hard stone surfaces with its arching, grass-like foliage.
Seasonal Interest
SeasonOrnamental Feature
SpringFresh, bright green new foliage emerges from the crown, replacing any winter-cut leaves with a clean, lush carpet of growth.
SummerDeep, glossy green arching foliage provides bold texture and reliable evergreen structure throughout the hottest months.
Late Summer - FallUpright spikes of showy violet-purple flowers bloom from August through October, adding vibrant color exactly when many other perennials have finished for the season.
Fall - WinterGlossy black berries follow the flowers and persist on the plant well into winter, providing subtle ornamental interest and a small food source for wildlife.
WinterEvergreen foliage maintains its deep green color and form throughout winter in Zones 6-10, providing continuous structure and texture in the dormant garden.
Companion Plants

Big Blue Lilyturf pairs beautifully with a wide range of perennials, shrubs, and trees that share similar light and moisture preferences. Consider the following companions for striking garden combinations:

  • Hostas: Bold, broad hosta leaves create a dramatic contrast in texture and form against the fine, grassy foliage of Liriope in shaded beds.
  • Astilbe: Feathery astilbe plumes complement the upright Liriope flower spikes, and both thrive in part shade with consistent moisture.
  • Bleeding Heart (Dicentra): The delicate, arching flowers of bleeding heart pair elegantly with Liriope's evergreen foliage in lightly shaded borders.
  • Coneflower (Echinacea): Provides bold summer color in sunnier locations as a foreground or mid-border companion.
  • Japanese Maples: The refined, arching foliage of Liriope makes a natural underplanting beneath the graceful canopy of Japanese maples.
  • Ornamental Grasses: Contrasting larger grasses such as muhly grass or blue oat grass with Liriope creates layered texture in sunny borders.
  • Hellebores: Both are shade-tolerant, evergreen perennials that complement each other well in woodland garden settings.
  • Ferns: Soft fern fronds combine beautifully with the stiffer, glossy Liriope foliage in shaded, moist areas.
  • Azaleas and Rhododendrons: Liriope is a classic and tidy underplanting beneath these acid-loving shrubs, sharing similar soil pH preferences.
Pests and Diseases

Big Blue Lilyturf is notably resistant to most pests and diseases and is considered one of the toughest and most trouble-free perennials available. However, the following occasional issues may arise:

  • Anthracnose (Colletotrichum species): The most common disease issue. Appears as reddish-brown spots along leaf tips and margins that may cause leaf dieback. Manage by removing and disposing of affected foliage, improving air circulation, avoiding overhead watering, and cutting plants back hard in late winter to remove all affected old growth. Fungicides can be applied in severe cases.
  • Crown and Root Rot (Phytophthora): Caused by overly wet or waterlogged soils. Interior foliage may turn yellow. Prevent by ensuring excellent drainage at planting time and keeping mulch away from the plant's crown. Remove and dispose of severely affected plants to prevent spread.
  • Leaf Spot (Fungal): Prolonged wet foliage and poor air circulation can invite fungal leaf spots. Remove affected leaves, avoid wetting foliage, and thin congested plantings.
  • Slugs and Snails: May nibble on young foliage in cool, damp, shaded conditions. Keep the surrounding area free of debris and apply diatomaceous earth or slug traps if damage is significant. Remove mulch temporarily during severe infestations.
  • Aphids and Mealybugs: Occasional infestations on stressed plants. Treat with a strong spray of water to dislodge, or apply insecticidal soap or horticultural oil as needed.
  • Spider Mites: May appear on plants growing in very hot, dry conditions. Consistent watering and avoiding overly stressed plants reduces susceptibility.
Container Growing

Big Blue Lilyturf performs very well in containers and patio planters, bringing year-round evergreen structure and late-season flowers to outdoor living spaces. Follow these tips for success in containers:

  • Select a container with ample drainage holes. A pot at least 12 inches in diameter and depth provides adequate root room for a single specimen.
  • Use a high-quality, well-draining potting mix amended with compost. Avoid heavy garden soil, which compacts in containers and impedes drainage.
  • Container-grown plants dry out more quickly than in-ground plants. Check soil moisture regularly and water when the top inch of the potting mix feels dry, but never allow the pot to sit in standing water.
  • Feed container plants with a diluted liquid fertilizer for flowering plants every four weeks from April through September to compensate for nutrients leaching from the pot with regular watering.
  • In very cold winter climates, move containers to a sheltered location — an unheated garage, shed, or covered patio — to protect roots from freezing temperatures that an in-ground plant would naturally withstand.
  • Repot when roots begin to emerge from drainage holes, moving up one pot size and refreshing the potting mix.
  • Big Blue Lilyturf combines beautifully in large mixed containers with shade-tolerant companions such as hostas, ferns, and impatiens.
Wildlife Value

Big Blue Lilyturf offers several ecological benefits in the garden while also being naturally resistant to unwanted browsing:

  • Pollinators: The late summer flower spikes attract bees and other late-season pollinators at a time when many other nectar sources are diminishing. This makes Liriope a valuable late-season foraging plant in pollinator-friendly gardens.
  • Birds: The glossy black berries that develop after flowering and persist through winter can attract berry-eating birds to the garden during the colder months.
  • Beneficial Insects: The dense evergreen foliage and leaf litter beneath established clumps provide overwintering habitat for ground-dwelling beneficial insects. It is recommended to delay the annual cutback until late winter for this reason.
  • Deer Resistance: The tough, fibrous foliage of Big Blue Lilyturf is not preferred by deer and is widely regarded as reliably deer resistant — an important quality for gardens in Southern Oregon and Northern California where deer pressure is common.
  • Rabbit Resistance: Similarly resistant to rabbit browsing, making it a dependable choice for gardens where rabbits are a recurring problem.
Propagation

Big Blue Lilyturf can be propagated by two methods: division and seed. Division is by far the preferred and most practical approach for home gardeners.

Division (Recommended):

  1. The best time to divide is in early spring (March to May) before new growth becomes extensive, or alternatively in early fall.
  2. Wait until clumps have been in place for at least two to three growing seasons before dividing for the best results.
  3. Dig out the entire root ball with a spade or garden fork, digging generously around the perimeter to capture the full root system.
  4. Shake or rinse off excess soil to expose the crowns and root structure.
  5. Using a sharp, clean garden knife or spade, cut the clump into sections, ensuring each division has at least 2 to 3 healthy crowns and a good portion of roots attached.
  6. Replant divisions immediately at the same soil depth they were previously growing, firm in well, and water thoroughly.
  7. Keep divisions consistently moist throughout their first growing season to ensure successful establishment.

Seed: Possible but significantly more time-consuming and less predictable. Seeds require removal of the berry pulp (which contains germination inhibitors), followed by a period of stratification. Germination can be slow and uneven. Growing from division is strongly recommended over seed propagation for most gardeners.