Gro4 – Earthworm Castings

Contains a multitude of soil organisms that transform and maximize available nutrients, including beneficial bacteria, protozoa, nematodes, fungi and much more.

Highest quality nutrition every time!

Formats available 5L, 20L, Bulk.

Soil organisms play an incredibly important role in soil structure. In a healthy soil ecosystem, soil organisms work together to transform and maximize available nutrients to be used as food for plants. Gro4 earthworm castings help sustain an active and balanced soil structure. Gro4 Earthworm Castings are an approved input for organic agriculture.

Parameter Analysis Result Detection Limit Method Reference
Total Nitrogen (N) 2.10 0.05 ENV-G-003-6
Phosphorus (Available P205) 3.22 0.10% ENV-G-003-6
Potassium (Soluble K20) 1.31 0.05% ENV-G-003-6

Download Brochure (PDF)     I      Material Safety Data Sheet (PDF)

For all types of plants and soils

Indoor or outdoor. Field Crops, greenhouses, and hydroponics.

Fruit and Vegetables

From strawberries to tomatoes to squash and everything in-between GRO4 will get you the results you want!

Flowers and

Get your English garden glowing with colour and a lawn that will make the neighbours green with envy!

Fields and

Proven to increase yields of corn, wheat, soybeans and other grains and field crops.

Mix up to one part castings to three parts soil and fill containers.
Mature exterior plants
Apply 4 cups of castings in a circle around the base of each plant. Work in with a rake.
Mix one part castings to three parts soil and apply to the bottom of the hole at transplanting.
New Lawn: 250-500 Lbs per 500 sq. ft., 1-2 times per year. Establish Lawn: 100-150 Lbs per 500 sq. ft., 1-2 times per year.

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