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Captain Kelso Calla Lily - 1 Gallon

SKU: 2012280
UPC: 014949487242
$15.99
  • Elegant calla lily blooms emerge gracefully from glossy sword-like foliage clumps from late spring through midsummer, bringing timeless sophistication to any setting
  • Compact and refined at 18 inches tall and wide, equally striking in containers at entryways and patios or planted in garden borders and cutting gardens
  • Easy to grow in full sun to partial sun with enriched, evenly moist soil; adaptable to a range of conditions once established
  • An exceptional long-lasting cut flower that can be overwintered indoors in cooler climates for repeat enjoyment year after year

Captain Kelso Calla Lily (Zantedeschia 'Captain Kelso') is a refined and effortlessly elegant flowering perennial that produces stunning, classic calla lily blooms rising gracefully from attractive, sword-shaped foliage from late spring through midsummer. Reaching a compact 18 inches in both height and spread, this versatile plant is equally striking as an exotic accent in outdoor containers on patios, porches, and entryways, or as a sophisticated addition to garden borders and cutting gardens. Thriving in full sun to partial sun with enriched, evenly moist, well-drained soil, Captain Kelso Calla Lily is a frost-tender herbaceous perennial in USDA Zones 8 through 11 and can be enjoyed across all zones by overwintering rhizomes indoors in cooler climates. Its classic elegance, easy culture, and outstanding value as a cut flower make it a timeless choice for gardeners who appreciate sophisticated beauty with minimal effort.


Plant Details
AttributeDetails
Botanical NameZantedeschia 'Captain Kelso'
Plant TypeFrost-tender Herbaceous Perennial
Bloom TimeLate spring through midsummer
Growth RateModerate
Mature Size18 in. tall and wide
USDA Zones8-11 perennial; all zones as seasonal or container plant
LightFull sun to partial sun
WaterKeep soil surface moist, not soggy
Deciduous/EvergreenHerbaceous
Flower AttributesShowy blooms, excellent cut flower, elegant form
Landscape UseContainer, Border, Entryway, Patio, Cutting Garden
Size and Growth Habit

Captain Kelso Calla Lily reaches 18 inches in both height and spread at maturity, forming a compact and well-proportioned upright clump. Its restrained habit of glossy, sword-shaped foliage makes it an ideal choice for container gardening, small garden beds, and elegant entryway plantings where a sophisticated ornamental is needed without a large footprint. The clean, vertical lines of the foliage and graceful flower stems create a naturally architectural effect that works beautifully in both formal and cottage-inspired garden settings.

Light Requirements

Captain Kelso Calla Lily performs well in full sun to partial sun. In cooler climates, a full sun location with at least 6 hours of direct sunlight per day typically produces the most vigorous growth and prolific flowering. In warmer regions, partial sun with some afternoon shade is beneficial and helps extend the bloom period by preventing premature flower decline. When grown indoors as a container plant during dormancy, provide bright indirect light near a sunny window to maintain plant health through the cooler months before returning outdoors in spring.

Watering

Keep the soil surface consistently moist but not waterlogged during the active growing and blooming season. Calla lilies appreciate evenly moist conditions during their bloom period from late spring through midsummer. Avoid allowing the soil to dry out completely during this time, as moisture stress can cause premature flowering decline and foliage browning. Once established in the landscape, the plant demonstrates reasonable adaptability to a range of soil moisture levels. Reduce watering during dormancy to condition the rhizomes for storage or winter rest, preventing rot at the rhizome level.

Soil Requirements

Provide enriched, evenly moist, well-drained soil for the strongest growth and best flowering. Calla lilies benefit from soil amended with compost or well-rotted organic matter to improve fertility and moisture retention. In containers, use a rich, moisture-retentive potting mix that still allows adequate drainage. Avoid heavy soils that remain waterlogged between waterings, as prolonged wet conditions around the rhizomes can lead to rot, particularly during cooler seasons when the plant is less actively growing.

Care and Maintenance
  • Foliage tidying: Remove old, faded, or yellowing foliage as it declines to maintain a tidy appearance and promote plant health.
  • Fertilizing: Apply a balanced, water-soluble fertilizer every 2 to 3 weeks during active growth to support vigorous flowering.
  • In-ground care (Zones 8-11): Plants can remain in the ground year-round; reduce watering after blooming ends to allow a natural rest period.
  • Container overwintering: Move containers indoors before first frost; place near a sunny window or allow to go dormant in a cool, frost-free location.
  • Rhizome storage: In zones below 8, dig rhizomes after first frost, dry briefly, and store in slightly moist peat at 45-50 degrees F through winter.
  • Spring replanting: Return rhizomes to the garden or containers after all frost danger has passed and soil has warmed in spring.
Landscape Uses

Captain Kelso Calla Lily is an exceptional choice for sophisticated garden accents at entryways, on porches, patios, terraces, and poolside settings. Its elegant, architectural blooms and clean, sword-like foliage create a polished statement in container groupings or as a single specimen plant. In the garden, use it as a refined focal point in mixed borders, as part of a cutting garden, or incorporated into a tropical-themed or cottage planting design. Its compact size makes it easy to tuck into small spaces where a touch of elegance is desired without overwhelming neighboring plantings.

Companion Plants
PlantWhy It Works
Elephant Ear (Colocasia)Bold tropical foliage complements the elegant calla blooms for a lush, exotic garden display
Caladium (Caladium)Richly patterned foliage fills in beautifully around calla clumps in shaded container combinations
Agapanthus (Agapanthus)Blue to purple globe flowers provide complementary cool color and similar moist soil needs
Ferns (various)Graceful textural fronds provide a lush backdrop that highlights the clean architectural calla form
Impatiens (Impatiens)Low, colorful annual groundcover fills around calla lilies in partially shaded garden settings
Cut Flower Use

Captain Kelso Calla Lily produces exquisite cut flowers among the most elegant and long-lasting of any garden plant. Harvest stems when the spathe is just beginning to unfurl for the longest possible vase life. Cut at a 45-degree angle early in the morning and immediately place in cool, clean water. Calla lily stems can last 1 to 2 weeks in a vase with regular water changes and keeping arrangements away from direct heat. The classic, sophisticated blooms are ideal for wedding arrangements, formal centerpieces, and high-impact floral displays.

Overwintering and Storage

In USDA Zones 8 through 11, Captain Kelso Calla Lily can remain in the ground or in outdoor containers year-round. In colder climates, rhizomes must be protected from freezing. After the first frost kills back the foliage, carefully dig up rhizomes, brush off excess soil, and allow them to cure in a dry, ventilated space for several days. Store in a cool (45 to 50 degrees F), dry, frost-free location packed in slightly moist peat or vermiculite. Inspect periodically for rot or shriveling and replant outdoors after the last frost date the following spring.

USDA Hardiness Zones

Captain Kelso Calla Lily is rated as a frost-tender herbaceous perennial for USDA Zones 8 through 11, where it can remain in the ground and return reliably each year. In all other zones, it can be enjoyed as a seasonal plant by growing it as a container specimen overwintered indoors, or by lifting and storing the rhizomes over winter for replanting each spring. This flexibility makes it accessible to gardeners across the entire continental United States regardless of local winter temperatures.

History and Background

Zantedeschia, commonly known as calla lily or arum lily, is native to southern Africa and has been cultivated as an ornamental for centuries. The genus name honors Italian botanist Giovanni Zantedeschi (1773-1846). Despite the common name, calla lily is not a true lily but a member of the Araceae family, related to philodendrons and peace lilies. Its distinctive bloom consists of a spathe (the petal-like modified leaf) surrounding a spadix (the central spike bearing the true tiny flowers). Modern hybrid varieties like Captain Kelso represent extensive breeding to improve garden performance, compactness, and color range while retaining the timeless elegance that has made calla lilies among the most beloved ornamental flowers worldwide for weddings, formal events, and sophisticated garden designs.

 
  • Elegant calla lily blooms emerge gracefully from glossy sword-like foliage clumps from late spring through midsummer, bringing timeless sophistication to any setting
  • Compact and refined at 18 inches tall and wide, equally striking in containers at entryways and patios or planted in garden borders and cutting gardens
  • Easy to grow in full sun to partial sun with enriched, evenly moist soil; adaptable to a range of conditions once established
  • An exceptional long-lasting cut flower that can be overwintered indoors in cooler climates for repeat enjoyment year after year

Captain Kelso Calla Lily (Zantedeschia 'Captain Kelso') is a refined and effortlessly elegant flowering perennial that produces stunning, classic calla lily blooms rising gracefully from attractive, sword-shaped foliage from late spring through midsummer. Reaching a compact 18 inches in both height and spread, this versatile plant is equally striking as an exotic accent in outdoor containers on patios, porches, and entryways, or as a sophisticated addition to garden borders and cutting gardens. Thriving in full sun to partial sun with enriched, evenly moist, well-drained soil, Captain Kelso Calla Lily is a frost-tender herbaceous perennial in USDA Zones 8 through 11 and can be enjoyed across all zones by overwintering rhizomes indoors in cooler climates. Its classic elegance, easy culture, and outstanding value as a cut flower make it a timeless choice for gardeners who appreciate sophisticated beauty with minimal effort.


Plant Details
AttributeDetails
Botanical NameZantedeschia 'Captain Kelso'
Plant TypeFrost-tender Herbaceous Perennial
Bloom TimeLate spring through midsummer
Growth RateModerate
Mature Size18 in. tall and wide
USDA Zones8-11 perennial; all zones as seasonal or container plant
LightFull sun to partial sun
WaterKeep soil surface moist, not soggy
Deciduous/EvergreenHerbaceous
Flower AttributesShowy blooms, excellent cut flower, elegant form
Landscape UseContainer, Border, Entryway, Patio, Cutting Garden
Size and Growth Habit

Captain Kelso Calla Lily reaches 18 inches in both height and spread at maturity, forming a compact and well-proportioned upright clump. Its restrained habit of glossy, sword-shaped foliage makes it an ideal choice for container gardening, small garden beds, and elegant entryway plantings where a sophisticated ornamental is needed without a large footprint. The clean, vertical lines of the foliage and graceful flower stems create a naturally architectural effect that works beautifully in both formal and cottage-inspired garden settings.

Light Requirements

Captain Kelso Calla Lily performs well in full sun to partial sun. In cooler climates, a full sun location with at least 6 hours of direct sunlight per day typically produces the most vigorous growth and prolific flowering. In warmer regions, partial sun with some afternoon shade is beneficial and helps extend the bloom period by preventing premature flower decline. When grown indoors as a container plant during dormancy, provide bright indirect light near a sunny window to maintain plant health through the cooler months before returning outdoors in spring.

Watering

Keep the soil surface consistently moist but not waterlogged during the active growing and blooming season. Calla lilies appreciate evenly moist conditions during their bloom period from late spring through midsummer. Avoid allowing the soil to dry out completely during this time, as moisture stress can cause premature flowering decline and foliage browning. Once established in the landscape, the plant demonstrates reasonable adaptability to a range of soil moisture levels. Reduce watering during dormancy to condition the rhizomes for storage or winter rest, preventing rot at the rhizome level.

Soil Requirements

Provide enriched, evenly moist, well-drained soil for the strongest growth and best flowering. Calla lilies benefit from soil amended with compost or well-rotted organic matter to improve fertility and moisture retention. In containers, use a rich, moisture-retentive potting mix that still allows adequate drainage. Avoid heavy soils that remain waterlogged between waterings, as prolonged wet conditions around the rhizomes can lead to rot, particularly during cooler seasons when the plant is less actively growing.

Care and Maintenance
  • Foliage tidying: Remove old, faded, or yellowing foliage as it declines to maintain a tidy appearance and promote plant health.
  • Fertilizing: Apply a balanced, water-soluble fertilizer every 2 to 3 weeks during active growth to support vigorous flowering.
  • In-ground care (Zones 8-11): Plants can remain in the ground year-round; reduce watering after blooming ends to allow a natural rest period.
  • Container overwintering: Move containers indoors before first frost; place near a sunny window or allow to go dormant in a cool, frost-free location.
  • Rhizome storage: In zones below 8, dig rhizomes after first frost, dry briefly, and store in slightly moist peat at 45-50 degrees F through winter.
  • Spring replanting: Return rhizomes to the garden or containers after all frost danger has passed and soil has warmed in spring.
Landscape Uses

Captain Kelso Calla Lily is an exceptional choice for sophisticated garden accents at entryways, on porches, patios, terraces, and poolside settings. Its elegant, architectural blooms and clean, sword-like foliage create a polished statement in container groupings or as a single specimen plant. In the garden, use it as a refined focal point in mixed borders, as part of a cutting garden, or incorporated into a tropical-themed or cottage planting design. Its compact size makes it easy to tuck into small spaces where a touch of elegance is desired without overwhelming neighboring plantings.

Companion Plants
PlantWhy It Works
Elephant Ear (Colocasia)Bold tropical foliage complements the elegant calla blooms for a lush, exotic garden display
Caladium (Caladium)Richly patterned foliage fills in beautifully around calla clumps in shaded container combinations
Agapanthus (Agapanthus)Blue to purple globe flowers provide complementary cool color and similar moist soil needs
Ferns (various)Graceful textural fronds provide a lush backdrop that highlights the clean architectural calla form
Impatiens (Impatiens)Low, colorful annual groundcover fills around calla lilies in partially shaded garden settings
Cut Flower Use

Captain Kelso Calla Lily produces exquisite cut flowers among the most elegant and long-lasting of any garden plant. Harvest stems when the spathe is just beginning to unfurl for the longest possible vase life. Cut at a 45-degree angle early in the morning and immediately place in cool, clean water. Calla lily stems can last 1 to 2 weeks in a vase with regular water changes and keeping arrangements away from direct heat. The classic, sophisticated blooms are ideal for wedding arrangements, formal centerpieces, and high-impact floral displays.

Overwintering and Storage

In USDA Zones 8 through 11, Captain Kelso Calla Lily can remain in the ground or in outdoor containers year-round. In colder climates, rhizomes must be protected from freezing. After the first frost kills back the foliage, carefully dig up rhizomes, brush off excess soil, and allow them to cure in a dry, ventilated space for several days. Store in a cool (45 to 50 degrees F), dry, frost-free location packed in slightly moist peat or vermiculite. Inspect periodically for rot or shriveling and replant outdoors after the last frost date the following spring.

USDA Hardiness Zones

Captain Kelso Calla Lily is rated as a frost-tender herbaceous perennial for USDA Zones 8 through 11, where it can remain in the ground and return reliably each year. In all other zones, it can be enjoyed as a seasonal plant by growing it as a container specimen overwintered indoors, or by lifting and storing the rhizomes over winter for replanting each spring. This flexibility makes it accessible to gardeners across the entire continental United States regardless of local winter temperatures.

History and Background

Zantedeschia, commonly known as calla lily or arum lily, is native to southern Africa and has been cultivated as an ornamental for centuries. The genus name honors Italian botanist Giovanni Zantedeschi (1773-1846). Despite the common name, calla lily is not a true lily but a member of the Araceae family, related to philodendrons and peace lilies. Its distinctive bloom consists of a spathe (the petal-like modified leaf) surrounding a spadix (the central spike bearing the true tiny flowers). Modern hybrid varieties like Captain Kelso represent extensive breeding to improve garden performance, compactness, and color range while retaining the timeless elegance that has made calla lilies among the most beloved ornamental flowers worldwide for weddings, formal events, and sophisticated garden designs.