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.
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.
In the above example, the plant on the left was allowed to grow naturally, which resulted in the classic “Christmas tree” shape that’s not very efficient under indoor grow lights. The plant on the right was topped as a seedling. This broke the dominance of the main cola, and the plant started putting out multiple colas.
A good place to top is directly above the leaves of the next node.In other words, cut through the stem right above its next set of leaves from the top.
Wait Until Plant Has At Least 4-5+ Nodes – Topping a Too-Young Seedling Can Slow Down Growth. Waiting a Few More Days to Cut Can Result in a Much Faster Recovery.
Because of this, cannabis plant training techniques like topping are especially effective at increasing yields in indoor grow setups by creating a bushier plant with extra colas.
If you’ve grown a very tall plant, it’s also possible to top your (vegetative) plant down to the node you want to reduce the height, but remember that all the time the plant spent getting tall will be lost. In order to get the most flexible colas, without losing vegetative time, try to top early in the plant’s life
Here’s a video showing what a plant looks like after being topped (time-lapse of about 2 weeks)
How to Top Your Cannabis Plant
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