A 40L bag of GRO-DIRT Full Spectrum on a transparent background.
The back of a 40L bag of GRO-DIRT Full Spectrum on a transparent background.
A 20L bag of GRO-DIRT Full Spectrum on a transparent background.
Close-up of microbially charged GRO-DIRT.
Close-up of microbially charged GRO-DIRT.
Close-up of microbially charged GRO-DIRT.
High Powered Organics

GRO-DIRT Full Spectrum – Organic Living Soil

Size
$55.00
Description

GRO-DIRT Full Spectrum is our flagship high-performance organic living soil engineered for professional cultivation. Developed through over a decade of field testing, it combines aerated peat and coir with humic-rich compost, IMO-enriched biodynamic inputs, natural minerals, and a complete microbial consortium of mycorrhizae, Trichoderma, and soil probiotics. Designed to deliver optimal nutrition, resilience, and yield from cutting to harvest with just water, GRO-DIRT Full Spectrum provides a stable, biologically active rhizosphere that supports vigorous growth, high BRIX expression, and consistent results across indoor, greenhouse, and outdoor systems.

Soil people, same as you.

Soil Supply Co. started because we got sick of paying premiums for inputs that under-delivered. If we wouldn't put it in our own soil, it's not on the shelf.

Our story