In the normal maintenance environment, it grows about 6-8 leaves every year, which can be used to judge the age of the leaves. However, this method is not very accurate, because some old leaves will fall down with the growth, which can only be roughly estimated. Because there are old leaves will fall, so some roots will grow like the roots of Chinese cabbage, this is the older one, generally more than 5 years, generally the root is relatively smooth, the leaves have not been updated many times, so the age is relatively small.
The growing age is closely related to the length of bulb. The older the growing age is, the longer the bulb under it will be. This is a more accurate estimation method. Can choose when changing basin to undertake at the same time, can avoid to pull out without reason to plant harm, also can achieve the effect of killing two birds with one stone..
The growth of the plant is also related to age. In addition to the maintenance factors, if the growth is not good, it may be that the maintenance time is very long and the age is relatively old. If the growth is good, it is relatively young