Ross Tree & Shrub Root Feeder Refill - 36 ct

  • Easy installation
  • Promotes nutrient uptake
  • Versatile
Availability: In stock


Ross Root Feeder Refills for Trees and Shrubs ensure that you have healthy trees all season long. Specially formulated with high levels of nitrogen, these pre-measured refills give your trees and shrubs the perfect balance of nutrients. Apply directly to the roots with your Ross Root Feeder as you water for fast, easy, mess-free fertilizing.

Easy Installation

We want gardening to be enjoyable. That’s why our products make your projects easier from installing landscape fabrics to applying fertilizer.

Promotes Nutrient Uptake

Like any living thing, plants need food and nutrients. This product spurs a healthier, better-producing garden.


Get more out of your garden products this one can be used for multiple projects across your garden and landscaping needs.

When To Apply

Spring, Summer, and Fall

Ideal For

Trees and shrubs


A major component of chlorophyll, the compound plants use in photosynthesis. Nitrogen helps plant foliage grow strong with healthy, robust leaves. Critical for the beginning stages of a plant’s life.


Helps plants develop solid root systems and strong, vibrant blooms. Also important in cell division and development of new plant tissue, phosphorus speeds development and maturity.


Important for overall plant health, potassium aids in water movement, producing sweeter, tastier fruits, and more robust blooms. A vital component in nutrient absorption, respiration, transpiration, and enzyme activity.

Guaranteed Analysis

Total Nitrogen (N): 25%(4.1% Ammoniacal Nitrogen, 20.9% Urea Nitrogen)

Available Phosphate (P2O5): 10%

Soluble Potash (K2O): 10%

Derived from: Diammonium Phosphate, Urea, Potassium Sulfate

  1. Choose the correct amount of fertilizer from the chart below. Place fertilizer refills in Root Feeder chamber.
  2. Make sure water flow valve is shut off to avoid accidentally spraying and wasting fertilizer before tube is in the ground,
  3. Connect Root Feeder to a garden hose and turn on the water at spigot. Turn on water flow valve slightly until a small stream of water flows out the tip of the feed tube. As water saturates soil. insert Root Feeder at equal intervals in a ring under outer branches (dripline) of tree or shrub. NEVER AT TRUNK OR BASE, If soil is dry, continue root watering after fertilizer refills have dissolved.

Tightly seal unused fertilizer in its plastic bag. Store in a dry place.


Keep out of reach of Children

  • Package: 36 ct
  • Weight: 21.3 oz

Safety Data Sheet.pdf



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