1、 How to maintain flowering

1. Sufficient sunshine: lilacs cannot bloom without sunshine. Lack of sunshine will lead to difficulty in flowering or a small number of flowers. During the flowering period, we must ensure sufficient sunshine. Lack of sunshine will affect flowering and lead to premature withering of flower buds. However, you can't put it in the hot sun. It may burn the delicate petals and affect the ornamental

2. Proper water supply: proper water supply can be provided during flowering to meet the demand for water, but it must be noted that too much water can not be watered, otherwise it will lead to ponding in the root, which will not promote flowering, but affect flowering

3. Rational fertilization: the supply of nutrients is an important factor to promote flowering. During the flowering period, we should apply fertilizer reasonably, pay attention to the types of fertilization, try not to use nitrogen fertilizer, and apply a little more phosphorus and potassium fertilizer. Only when the nutrients are sufficient can flowering flourish

2、 When does it bloom

Most of the lilacs we usually see are purple and bloom around May. There are many varieties of lilacs, and the flowering time of different varieties is also different. For example, the flowering time of white lilacs and blue lilacs is in April and may, that of baomazi lilacs is in June, and that of four seasons lilacs is from May to October