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How it's Made

Our Growing Solutions

A-OK Plug Root Shot
Growing Solutions

Propagation

Grodan plugs are designed for fast, uniform propagation of cannabis cuttings and seedlings, resulting in maximum plant quality and easy handling.

Grodan Improved GroSlabs
Grodan Improved

Grodan Improved

Discover Grodan Improved: An advanced stone wool substrate that offers precise water distribution, enhanced crop steering, and cannabis cultivation solutions for consistent quality.

Pargro Blocks (5)
Pargro

Pargro® by Grodan®

Pargro® is an easy-to-use stone wool growing media made in the most popular sizes for cannabis growers of all scales looking to transition from coco or soil.

20240306 GR-101 PHO 89
Growing Solutions

GroSens Suite

Grodan GroSens Suite provides rootzone information that puts you in the driver’s seat. A ready-to-use solution that offers immediate insights, anytime, anywhere.It is a seamless integration of sensors, software, and support that gives you easy access to rootzone data and 24/7 online support.

Grower Resources & Technical Advice

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Latest Blogs

GroShow Podcast Header: Episode 22
Article
20 Jun 2025

Scaling Craft Cannabis: Precision Growing, Genetics & Facility Design at Happy Valley

Explore how Happy Valley produces award-winning flower at scale using East Coast genetics, precision growing, and Grodan stone wool.

Endless Biotech Case Study (1)
Article
16 Jun 2025

Getting the Most Out of Stone Wool: Expert Tips and Tricks

Maximize yields and plant health with expert stone wool tips. Learn how to optimize irrigation, EC, transplant timing, and more for consistent results.

GroSens Suite - Cannara ( )
Article
02 Jun 2025

Actively steering the root zone microbiome in support of resilient growing

How cannabis growers can steer the root zone microbiome using stone wool, clean inputs, and abiotic control for healthier, more resilient crops.

GroShow Podcast Ep. 21 (Header) - From Roots to Racks
Article
30 May 2025

Designing Vertical Grows: Facility Strategy, Irrigation & Substrate Synergy with PIPP Horticulture

Join Grodan and PIPP Horticulture for Part 2 of this special mini-series on vertical cultivation. Explore facility design, airflow, fertigation, and substrate strategy for high-performance cannabis grows.

Store Locator

Sparetime Supply Warehouse
Store Locator

Store Locator

Find a store that sells Grodan stone wool in your region!

Additional Information

About Grodan

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