Learning Center

Find practical guidance for growing cannabis in Grodan stone wool, managing irrigation and root-zone conditions, and making more informed cultivation decisions throughout the crop cycle.

A clearer framework for every stage of the crop cycle

Grodan 5-Phase Model in Large Blocks Guide - Cover

Crop Steering

Grodan 5-Phase Model | One-Transplant System

A phase-based framework for cannabis cultivation, with practical guidance on plant development, root-zone management, irrigation, dry-backs and crop steering from propagation through final ripening.

Crop steering techniques

Grodan Cannabis Grow Guide

Practical guidance for growing cannabis in Grodan stone wool, covering product selection, preparation, propagation, precision irrigation, root-zone monitoring and recycling.

Root-Zone Management for Cannabis Cultivation

Manage water content, EC, irrigation timing, dry-backs, drain and root-zone temperature to support more consistent cannabis crop performance.

Growing Solutions

GroSens Suite

GroSens Suite combines sensors, software and support to deliver near real-time root-zone data on water content, EC and temperature for more precise irrigation and crop steering.

Research & Innovation

Explore cannabis cultivation trials, whitepapers and technical findings from Grodan to help growers evaluate growing strategies, improve crop performance and make more informed decisions.

Browse by grow stage

Propagation

Propagation for Cannabis Cultivation

Build a strong start in cannabis propagation with guidance on rooting, irrigation, moisture control and preparing healthy, uniform cuttings for transplant.

Vegetative Growth

Vegetative Stage for Cannabis Cultivation

Learn how to manage cannabis during the vegetative stage, including rooting after transplant, canopy development, irrigation, root-zone conditions and preparation for flowering.

Cannabis Flower Development at the End of Phase 3

Generative Stage

Generative Stage for Cannabis Cultivation

Manage the transition into flower with guidance on stretch control, flower-site development, irrigation and root-zone conditions during the generative stage.

Flower & Bloom

Flower & Bloom for Cannabis Cultivation

Support flower swelling, ripening and crop quality with guidance on irrigation, root-zone management and crop steering through the final phases of flowering.

Learn from growers

Growing Solutions

Case Studies

See how commercial cultivators use Grodan stone wool, GroSens Suite, and technical support to improve consistency, efficiency, and crop performance.

Grodan101 - GroShow Podcast Cover Image 2023

The GroShow Podcast

Listen to conversations with cultivation experts covering crop steering, irrigation strategy, root-zone management, facility operations, and emerging cultivation research.

Sustainability Spotlight - Medical Saints

Video Library

Watch practical videos from Grodan covering cannabis cultivation, crop steering, root-zone management, stone wool growing, research and grower practices.

Blog

Read expert guidance, cultivation research, grower perspectives and industry updates covering crop steering, irrigation, root-zone management and commercial cannabis production.

Guidance for every phase of your crop

Connect with a Grodan crop advisor for guidance on stone wool cultivation, irrigation, root-zone management and crop-steering strategies from propagation through final ripening.

Talk to a crop advisor →

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