1，Hosta Hosta
Hosta Hosta is a typical negative plant, which likes humid environment very much and can't be irradiated by strong light. When exposed to strong light, its leaves will turn yellow, leading to poor growth. The most important thing is that Hosta Hosta likes fertile and humid sandy loam, which is super cold-resistant and can overwinter in the open air. After first frost, some parts of the ground will wither, and new buds will grow after the next spring.
2, hollyhock
Abelmoschus manihot is a kind of sunshine-loving plant, which can also tolerate semi-shade, but it should avoid waterlogging. The saline-alkali tolerance of hollyhock is still very strong, and it can still grow in the soil with 0.6% salt. The most important thing is that hollyhock is very cold-resistant, and it can safely overwinter in the open field in North China.
3. Forsythia suspensa
Forsythia suspensa belongs to shade-tolerant plants to a certain extent, likes warm and humid climate, and is of course very cold-resistant. Moreover, forsythia suspensa has strong cold tolerance, and it can tolerate the low temperature of -50℃ after cold tolerance exercise. Forsythia suspensa, with its amazing cold tolerance, has become a leader in northern landscape greening, and it has strong germination, fast hair growth, strong vitality and strong adaptability.
4. Winter jasmine
In fact, the adaptability of winter jasmine is also very strong. Light-loving, cold-resistant, drought-tolerant, and the branches are easy to take root. It is not difficult to see from the flowering time of winter jasmine that it is very cold-tolerant, because it blooms in late winter and early spring.
5. hibiscus flowers
Hibiscus has a strong adaptability to the environment, so it can survive in the north, because it is very dry and barren, and it is not strict with the soil. It is also resistant to pruning, heat and cold. In the north, it is still necessary to do some wintering protection to avoid freezing injury.
Baidu encyclopedia-Hosta flower
Baidu encyclopedia-Abelmoschus manihot
Baidu encyclopedia-forsythia suspensa
Baidu encyclopedia-winter jasmine
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