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Low Stress Training (LST): A Cannabis Canopy Management Technique

Low Stress Training

Cannabis cultivation has come a long way from clandestine operations to a rapidly evolving industry, with growers constantly seeking innovative methods to increase yields and optimize plant health. One such technique gaining popularity is Low Stress Training (LST), a method of training cannabis plants to grow horizontally rather than vertically. LST promotes even light distribution, enhances bud development, and ultimately results in higher yields. In this article, we will explore the principles and benefits of LST and offer insights into how it can be implemented in your cannabis garden.

Understanding Low Stress Training

Low Stress Training, as the name implies, is a non-invasive and gentle approach to manipulate the growth of cannabis plants. It involves bending and tying down the branches of a cannabis plant in order to encourage lateral growth and create a more even canopy. The goal is to create a bushier, shorter plant that can maximize the utilization of available light, making it particularly useful for indoor cultivation where space is limited.

Key Principles of LST :

Early Training: LST is most effective during the vegetative phase of cannabis growth. Start when the plant has developed several nodes but is not yet in the flowering stage. This allows the plant to recover and adapt to the training without stunting its growth.

Bend, Don’t Break: When applying LST, it’s crucial to avoid causing damage to the plant. Gently bend the branches and secure them using soft ties, such as plant training clips or gardening twine.

Directional Control: By carefully bending branches and securing them in a particular direction, you can control how the plant spreads out. This helps ensure all parts of the plant receive adequate light.

Benefits of Low Stress Training

Increased Light Exposure: LST allows for better light penetration and distribution within the canopy, reducing the chances of shaded areas and optimizing photosynthesis. More available light means healthier and more vigorous growth.

Enhanced Bud Development: With improved light exposure, buds located lower on the plant receive more energy and can develop into larger and more potent flowers. This increases overall yields and product quality.

Improved Airflow: The open canopy created by LST promotes better air circulation, reducing the risk of mold, mildew, and pests. This is especially advantageous in humid or tightly spaced growing environments.

Space Efficiency: LST enables growers to maximize the use of available space. It’s ideal for indoor or small-scale growers who may need to fit multiple plants in a limited area.

How to Implement LST

Select the Right Plants: Not all cannabis strains are equally suitable for LST. Indica-dominant strains, with their bushier growth patterns, tend to respond better to this technique.

Gather Your Materials: You’ll need soft ties, like gardening twine or plant training clips, to secure the branches without damaging them.

Begin Training: As your plants develop, identify the main stem and branches you want to manipulate. Gently bend these branches down and away from the main stem, tying them securely in place.

Monitor and Adjust: Keep an eye on your plants as they continue to grow, adjusting the ties as necessary to maintain the desired shape and canopy evenness.


Low Stress Training is a valuable technique for cannabis cultivators looking to maximize yields, optimize light exposure, and improve overall plant health. By gently bending and securing branches during the vegetative phase, growers can create a more efficient and productive canopy. Whether you’re a home grower or a commercial cultivator, LST is a method well worth considering for your cannabis garden. When applied correctly, it can lead to healthier, bushier plants with an abundance of top-quality buds.

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