It needs to be plucked all the time. Generally, the first time is when it is cutted for more than one month. When it is 4-6cm high and grows 4 or 5 pairs of leaves, it can be cut for the first time. If each top is still growing vigorously, it needs to be done again. Generally speaking, the plant is relatively high at a later time and shorter at a earlier time. This work is very necessary and can help the plant grow better
The position of a pair of small buds at the top that usually need to be cut off before observing the growth of the plant. When the shoot is about 12 cm in height, it is 5 cm above the flower bud.
And when the flower withers, cut off all the flower branches between the upper two pairs of leaves. Generally speaking, when we need to prepare seedlings, we will top it. Usually keep 5 pairs of leaves, other buds can be cut off and cuttage again.