How to Pinch Back and Top Cosmos: Methods and Precautions Explained
Cosmos is a highly ornamental flowering plant that can be seen in many regions of China, and many people in China grow it. However, to grow it well, there are many things to pay attention to, among which pinching is a relatively important process during its growth. So how do you top and pinch cosmos? Let me walk you through it below.
1. Why cosmos needs topping and pinching: to promote branching
The reason we top and pinch cosmos when growing it is that this plant grows very fast. Without topping and pinching, it tends to grow leggy and will not branch, which results in very few flowers.
2. How to top and pinch cosmos: you have to be bold
As for how to top and pinch cosmos, the method is actually very simple. First, when topping and pinching, you must be willing to make the cut. Although topping and pinching will affect the plant's shape to some extent, it promotes branching and allows it to produce more flowers, so this step is still very necessary.
3. Methods and precautions for topping and pinching cosmos
1. Timing of pinching
When topping and pinching, wait until the cosmos seedlings have grown to a certain point. Generally, it is best to wait until it has grown 10 leaves before pinching, as this will not affect its growth and you won't have to worry too much when doing it.
2. Precautions
When growing cosmos, keep its branches at 10cm or more, because if the branches are too short, it is very difficult for it to bloom. In addition, for cosmos sown in autumn, the growth of branches and leaves is relatively shorter and sturdier compared with cosmos sown in spring, so everyone should pay attention to this point.
When topping and pinching cosmos, also be careful not to do it too early. If you top and pinch too early, the cosmos seedlings will become weak, which is very bad for their growth, so you must get the timing of topping and pinching right.
How to top and pinch cosmos
Topping and pinching cosmos
When growing cosmos, topping and pinching is actually very simple.
The reason cosmos needs topping and pinching is that, when growing cosmos, because it grows very fast, without topping and pinching it tends to grow very tall and produces no branches, and it will also bloom very little.
When topping and pinching cosmos, you must be willing to make the cut. Some people worry it will affect the cosmos's growth and find it hard to bring themselves to do it, but that won't work. Although topping and pinching will affect the cosmos's plant shape, it will bloom much better.
Precautions for topping and pinching cosmos
When pinching cosmos, wait until the seedlings have grown to a certain point, at least until they have grown 4 pairs of leaves. Generally, it is best to wait until the cosmos has grown more than 10 leaves before pinching.
When growing cosmos, keep its branches at 10cm or more, because for some cosmos varieties, if the branches are too short, it is very difficult for them to bloom. In addition, for cosmos sown in autumn, the growth of branches and leaves is relatively shorter and sturdier compared with cosmos sown in spring.
When topping and pinching cosmos, be careful not to do it too early, because topping and pinching too early will weaken the cosmos seedlings, which is very bad for their growth. So be sure to do it when the cosmos is suitable for topping and pinching.
Methods for topping and pinching cosmos
Topping and pinching cosmos is actually very simple. Some gardening enthusiasts are unsure and feel a bit sorry for the plant, so they can't bring themselves to make the cut. The reason cosmos needs topping and pinching is that it grows too fast and easily becomes tall without branching and with few flowers, so you have to be ruthless. Although the plant shape is not especially attractive after topping and pinching, it can promote blooming.
Precautions for topping and pinching cosmos:
1. When pinching cosmos, the seedlings must have at least 4 pairs of fully unfolded true leaves, that is, when the total number of leaves is more than 10.
2. The branch length of cosmos must be more than 10cm (this is related to the variety; for some varieties, flower buds appear when the branches are not long. It is also related to the sowing season: cosmos sown in autumn grows shorter and sturdier than that sown in spring.)
If you top too early, it will instead easily weaken the seedlings and affect future growth. Therefore, when topping plant seedlings, conditions must be met, and it must be done with caution.