Top 10 Tips for Growing Cannabis in Coco Coir

Coco coir, derived from coconut husks, has become a popular medium for cultivating cannabis due to its excellent water retention, aeration, & sustainability.

Coco coir is a natural fiber extracted from coconut husks, providing an ideal balance of water retention & aeration. It’s an eco-friendly alternative to traditional soil, free from pests, diseases, & chemical contaminants.

Opt for high-quality, buffered coco coir to ensure it’s pH-stabilized & free from excess salts. Consider the coarseness of the coir; a medium to coarse blend works well for cannabis cultivation.

Rehydrate the coco coir with water & a balanced nutrient solution, ensuring proper moisture levels.

Regularly monitor & adjust the pH of the nutrient solution to the optimal range for cannabis growth (5.8-6.5). Coco coir has a natural tendency to drift towards acidic levels, so maintaining pH is crucial for nutrient uptake.

Coco coir is inert, meaning it doesn’t contain nutrients, but Medicoir (media) contain nutrients starter charge. Therefore, use a complete & balanced nutrient solution throughout the plant’s life cycle. Implement a feeding schedule with the appropriate ratios of N.P.K, Ca, S, Mg, & micro nutrients.

Unlike traditional soil, coco coir requires frequent but controlled watering. Employ a drip irrigation system or hand-watering method to ensure consistent moisture without waterlogging.

Maintain a stable temperature range between 21-29°C during the day & slightly cooler at night. Control humidity levels between 40-60% to prevent mold & mildew issues.

Utilize training techniques such as topping, Low Stress Training or Screen of Green to optimize light exposure & increase yields. Regular pruning helps maintain good airflow & prevents overcrowding.

Coco coir’s sterile nature reduces the risk of pests & diseases, but preventive measures are still essential. Integrate beneficial insects & regularly inspect plants for signs of issues.

Harvest when trichomes are at their peak, indicating maximum cannabinoid production. Dry buds slowly in a controlled environment, maintaining darkness & optimal humidity levels.

Cultivating cannabis in coco coir offers a versatile & sustainable alternative to traditional mediums. As a result, cultivators can maximize yields & produce high-quality cannabis with enhanced cannabinoid profiles.

Sponsored by Kalahari Connections Canada Ltd., & Medicoir – Twice Canadian substrate champion; O’Cannabiz International Conference and Expo, Toronto 2022 & Grow Up Conference, Awards and Expo, Niagara Falls, 2022. Cost effective industry pricing supplied by Chetiya Amarasinghe.