What flowers are suitable for Hulunbuir, and what are the city flowers and trees

Hulunbuir is located in the north of the temperate zone, with a significant continental climate. Judging from the climate characteristics of this area, most plants can be cultivated. However, if it is planted in the ground, it is seriously affected by the region. It is best to plant carnation, iris, dandelion, Pulsatilla, fireball, flower, peony, forget me not, rose, Coptis chinensis, Manchurian red, Shandan, blue potted flower, bayberry, Golden Lotus, Malan, gentian, jasmine, leek, lily, morning glory, azalea, etc.