In which season does Sophora japonica bloom in the north?

Sophora japonica in the north usually blooms in spring, about April to May every year, and the flowering period is about 10- 15 days. Robinia pseudoacacia and Sophora japonica bloom in spring, the flowering period is about April-May, and Sophora japonica blooms in summer, the flowering period is June-August.

Sophora japonica, also known as Sophora japonica, refers to flowers and buds of leguminous plants in a broad sense, but generally open flowers are called "Sophora japonica" or "Sophora japonica" and buds are called "Sophora japonica". It is often planted near houses and roadsides, and is widely cultivated in China, mainly distributed in the north, mainly in the Loess Plateau and the North China Plain. It usually blooms in April and May every year, and the flowering period is about 10- 15 days.