Last week, we explored the crucial steps for transplanting cannabis plants and how ensuring proper root space can boost growth and yields. This week, we’ll build on that by diving into cannabis plant training—a set of techniques that allow you to shape your plants and maximise their potential. Whether you’re growing in smaller spaces or aiming for bigger harvests, plant training is key to optimising your grow. Some of these techniques also tie back to topics we’ve covered before, such as cannabis propagation and root health, both of which are essential to achieving the best results.
Today we are looking at the concepts and in weeks to come we will break down the various techniques what we really think and how you should approach things with each one. For now, we will look at the overall concept.
Why Train Your Cannabis Plants?
Cannabis plants, if left to grow naturally, will focus their energy on a single, dominant cola at the top. While this produces a single, large bud, it leaves much of the plant’s potential untapped. Through plant training techniques, you can encourage your cannabis plants to spread their energy across multiple bud sites, leading to more colas, fuller canopies, and ultimately larger yields.
Plant training is also crucial for those growing in smaller spaces. Techniques like low-stress training (LST) and high-stress training (HST) allow you to manipulate the shape and structure of the plant, controlling vertical growth and optimising light exposure for all bud sites.
Low-Stress Training (LST): Gentle Yet Effective
Low-stress training (LST) is one of the most popular methods for home growers, particularly those with space constraints. This gentle technique involves bending and tying down branches to encourage horizontal growth. By doing so, you can create a fuller canopy that maximises light penetration to all parts of the plant, increasing bud production.
How to Perform LST:
Bend the branches: Use soft ties to gently bend the branches away from the main stem, spreading them out horizontally.
Tie them down: Secure the bent branches in place using string or plant ties, allowing the plant to maintain this new shape.
Adjust as needed: Continue to adjust and tie new growth throughout the vegetative stage.
The beauty of LST is that it minimises stress on the plant, allowing for continuous growth with little recovery time. As we’ve previously mentioned in our blog on transplanting, maintaining the right conditions—especially after any form of stress—helps ensure your plants bounce back quickly and develop strong root systems to support larger yields.
High-Stress Training (HST): Pushing for Bigger Yields
For those seeking even larger yields, high-stress training (HST) involves more aggressive manipulation of the plant. HST techniques like topping, super cropping, and mainlining involve deliberately stressing the plant by cutting or crushing parts of it to force new growth.
Topping:
Topping is the process of removing the main growing tip of the plant, which encourages the plant to develop multiple colas rather than focusing on one dominant bud. This technique is perfect for controlling vertical growth and spreading the plant’s energy across several bud sites.
How to Top Cannabis Plants:
Use sterilised pruning shears to cut off the main growing tip after the plant has developed at least 4–5 nodes.
The plant will respond by growing two new shoots from where the cut was made, doubling the number of potential colas.
What is F’imming
F’Im standings for “F – I missed” Which is a technique that has now been incorporated in some growers plant yielding toolkit. Instead of topping, he first notice of this was when growers cut the main grow point in half or just above half. Instead of removing the main node itself. This slows the main growing process like with topping but also lets it continue to grow from that main point once that side branches grow out. F’imming promotes more lateral growth.
Super Cropping:
Super cropping involves crushing the stems of your cannabis plant to increase hormone production and redirect energy to other parts of the plant. This technique not only increases resilience but also promotes larger yields by exposing more bud sites to light.
How to Super Crop:
Identify the branch you want to manipulate.
Gently crush the stem between your thumb and fingers until it becomes pliable, then bend it over and tie it down.
Both HST and LST are great for maximising yields, but keep in mind that high-stress techniques require a longer recovery time. As mentioned in last week’s blog, cannabis plants are highly resilient, but ensuring the right care post-training is essential for preventing unwanted stress or damage.
Techniques for Small Grow Spaces: SOG and ScrOG
For growers working with limited space, techniques like Sea of Green (SOG) and Screen of Green (ScrOG) are highly effective. These methods focus on optimising canopy development, ensuring that even in tight quarters, your plants receive the right amount of light and airflow.
Sea of Green (SOG):
SOG involves growing many small plants close together and flipping them into the flowering stage earlier than usual. This method encourages faster harvests with smaller, but more frequent yields. Since the plants stay compact, it’s ideal for growers with height restrictions.
Screen of Green (ScrOG):
In ScrOG, a trellis net is used to spread the plant’s canopy horizontally. As the branches grow through the net, they are tied down to maximise light exposure across all bud sites. This technique requires more maintenance but delivers larger yields per plant, making it perfect for maximising space.
Choosing the Right Training Method
Choosing between low-stress training and high-stress training depends on your grow space, experience, and goals. If you’re new to cannabis cultivation, starting with LST may be the best option. It’s a simple way to control plant growth without risking damage. On the other hand, if you’re an experienced grower looking to push your plants to their limits, high-stress techniques like topping and super cropping can lead to impressive yields when done correctly.
No matter which method you choose, remember that the health of your roots plays a crucial role in how well your plants respond to training. As we discussed in previous posts about plant health and root development, healthy roots lead to stronger plants and, ultimately, better yields.
Train for Success
By using plant training techniques, you can control the shape and size of your cannabis plants, maximise light exposure, and boost your overall yields. Whether you’re working with limited space or just looking to get the most out of your grow, methods like LST, HST, SOG, and ScrOG provide you with the flexibility to tailor your grow setup to your needs.
As always, make sure you’re working with healthy plants and the right tools for the job. Proper plant training is an investment in time a
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