1、 Climatic characteristics of Lanzhou

Lanzhou has a temperate continental climate with four distinct seasons. There is no intense heat in summer and no severe cold in winter. The climate is relatively mild and suitable. The annual average temperature is 10.3 ℃, the annual average sunshine hours are 2446 hours, the average annual precipitation is about 327mm, and the frost free period is 180 days. From the climate characteristics of this area, most plants can be planted in this area and basically grow normally

2、 What flowers are suitable for raising in Lanzhou

According to the climate characteristics of Lanzhou, there are many kinds of flowers suitable for planting, such as orchid, Clivia, Calla, cactus, hydrangea, rose, cyclamen, Persian chrysanthemum, Cymbidium, evening primrose, daffodil, wolftail fern, Adiantum, centipede grass, bird's Nest Fern, dahlia, henna, Canna, thirteen Taibao, pomegranate, plum blossom, pearl plum, acacia, Luan tree, clove, torch tree, marshmallow, Begonia Sage, Phlox, Oxalis sorrel, February orchid, green peach, etc

3、 What are the city flowers and trees in Lanzhou

The city flower of Lanzhou is rose, and the city tree of Lanzhou is locust tree. Kushui Township, Yongdeng County, Lanzhou produces a large number of roses every year, which is known as "China's Rose kingdom". The roses here are excellent varieties of roses with high quality. On February 25, 1984, the Standing Committee of Lanzhou Municipal People's Congress discussed and approved the roses as the city flower of Lanzhou. Sophora japonica is very suitable for the climate of Lanzhou. It is drought and cold resistant. Among the existing 12 kinds of 3400 ancient trees in Lanzhou, Sophora japonica has the largest number and the most prosperous growth, so it is designated as a city tree