1、 Blade softening and shrinkage

When you want to start molting, the leaves will change. The old leaves begin to soften without the vitality of previous growth. In the later stage, they will gradually dry and shrink. This situation indicates that the old leaves will fall down and begin molting

2、 Is there a texture

If under normal water application, there are horizontal lines on the leaves and longitudinal lines about to molt, that is, there is a seam in the middle, which proves that there are life activities and molt is about to occur

3、 Whether new leaves grow

You can also observe whether there are new leaves growing, so that you can judge whether it is molting. Take a look at the middle and lower parts of the side to see if there are new leaves protruding. You can also gently pinch both sides with your hand. If you feel something hard, it means that you are about to molt. If it is difficult to observe with the naked eye, you can turn off the light at night and shine it vertically from the top with a flashlight. If you see blackening, it means that new leaves are growing and old leaves are about to molt

4、 Precautions

The raw stone flower usually begins to molt at the end of autumn, but it can not be judged by these methods. If the water is poured too much, the water content in the old leaves is more, so it is difficult to judge