Topping should only be used in the vegetative stage! In fact, any training technique that involves cutting or damaging your plant should only be done in the vegetative stage of cannabis growth, and never during the flowering/budding stage.
Some growers will use several phases of topping to produce cannabis plants with dozens of colas. Some techniques take this to the extreme, for example manifolding (also sometimes called “main-lining”) is a technique that uses topping several times to make a cannabis “manifold.”
Cannabis plants are much less tough in the flowering stage, and they no longer are growing vegetatively (producing new stems or colas).
These 2 new colas for a V which can easily be bent to spread wide. You can top these two new colas a few weeks later and have 4 total colas. This can even be doubled to produce 8 colas that all come from a single “manifold.” Learn more about manifolding cannabis.
Most plants naturally only have one main stem. The idea of “topping” is to cut off the top of a main stem to split it into two.
Here’s an example of a plant that was topped at a late age, after it had already grown 8 nodes. Although you might not get quite as good results as if you had topped it earlier, it still definitely increased the total number of colas and improved the yields!
A plant with many colas can only be achieved by training a plant from early in the vegetative stage
You can also top your plant later in the vegetative stage, but you will have a longer main stalk, giving you less ability to arrange the colas the way you want.
Here’s a video showing what a plant looks like after being topped (time-lapse of about 2 weeks)
Topping Cannabis Guide: How to Top Your Plants Cutting Cannabis For Better Structure: “Topping” Topping is a cannabis plant training techniques that involves cutting off the top of a main