The distribution area of aster is mainly in the north of China, Inner Mongolia, Hebei and northeast provinces, etc. in foreign countries, aster is also distributed in Korea, Japan, and the Far East of Russia. The growth height of Aster can reach more than two meters, and its basal leaves are in the shape of rectangle or ellipse. The flower heads of Aster are arranged in the shape of corymbose.
The name of Dutch chrysanthemum in foreign countries is new aster. Because China is introduced from Europe, we call it Dutch chrysanthemum. There are many varieties of Dutch chrysanthemum, its plant height is generally 50-80 cm, the stems are clustered, the leaves are oblong or lanceolate, and the leaf base slightly embraces the stem. Inflorescence capitate, dense or clustered into corymbose. The flower color of the Dutch chrysanthemum has red, blue purple, light blue to white.
Aster flowers in the autumn, the Corolla is blue purple. The flowering period of Dutch chrysanthemum is between August and October. Some kinds of Dutch chrysanthemum will bloom in spring and autumn, which is more suitable for potting.
There are almost 500 species of aster, commonly known as aster. Some people don't think it's appropriate to call a new aster a Dutch chrysanthemum, so they call it a aster directly. But the name of Dutch chrysanthemum has been widely spread among the people and is more easily accepted by users. Therefore, in practice, some entrepreneurs call both new asters as Dutch chrysanthemums and asters that can be used for cultivation and appreciation as Dutch chrysanthemums, which also confuses them.
