1, begonia

Cold-tolerant plants include begonia, sessile begonia, Japanese begonia and so on. These are common northern plants, which can resist the low temperature of-10 degrees and can safely overwinter outdoors, but the flowering period is from spring to early summer, and it does not bloom in winter.

2. lilac flowers

Lilac is a shrub of Oleaceae and the city flower of Harbin. Of course, as the city flower of Harbin, the first condition of plants is very cold tolerance. Lilac is not only cold-resistant, but also drought-resistant. However, the plant height of clove is relatively high, so it can only be used as a large potted plant.

3. Tea plum

Tea tree is an evergreen shrub of Theaceae. Tea trees are not only hardy, but also blossom in autumn and winter. It's a pleasure to enjoy such beautiful flowers in the cold season. The author strongly recommends this plant. Tea plum is called tea plum because it combines the characteristics of camellia and plum blossom. Tea plum is an important ornamental flower in autumn and winter in northern China, and its cultivation history is very long.

4. Hosta

Hosta Hosta is a kind of Liliaceae herb with strong cold tolerance, and it is no problem to overwinter in the open field in the north. It is suitable for family potted plants, with a plant height of about 30 cm. Hosta's flowers are white and flawless, and even the fragrance of flowers is particularly attractive.