1、 What month does it bloom

Poplars usually bloom from April to may, and some bloom at the end of March. The climate environment in different regions is different. In some places, the temperature rises rapidly, and if the temperature is high, the flowering time is early. In some areas, the flowering time will be later. The flowering time is affected by the local climate environment, and sometimes there will be flowering in autumn and winter. Poplar flowers are catkins, dioecious and without petals. The male inflorescence is about 10-14cm long, there are about 10 sharp heads on the bracts, the anther color is red, the female inflorescence is about 4-7cm long, the bracts are sharp, and there are long hairs on the edges. Poplar flowers will crack and jump out of seeds after maturity, that is, our common poplar catkins will float around by the wind

2、 Basic introduction

1. Family and genus: poplar is a deciduous tree of Salicaceae and poplar. It is a common street tree with fast growth speed. It is distributed in Europe, Asia, North America and other regions, and is widely distributed in China

2. Morphological features: the height of poplar can reach about 30 meters, the color of bark is grayish green or grayish white, the shape of long branches and leaves is broad oval or triangular oval, and the short leaves are usually small, showing oval or triangular oval

3. Propagation method: Poplar generally adopts the propagation method of cutting seedling

4. Variety classification: poplar varieties are divided into five schools, namely black poplar school, Populus euphratica school, big leaf poplar school, green poplar school and white poplar school