First, Hosta flowers
Hosta Hosta is extremely cold-resistant, some varieties can safely overwinter in Northeast China, and most varieties can tolerate the low temperature of 0℃, which is suitable for planting in North China. It not only has high cold tolerance, but also has high ornamental value, and it can also emit a faint fragrance during flowering, which is deeply loved.
Second, Sedum Babel
Sedum babao is a plant of Sedum family, which has certain cold tolerance, can safely overwinter in North China, and can be cultivated in the open air in most areas. When it blooms, it is still very large and spectacular, and its ornamental value is high, usually in August-September.
Third, alum root
Alumen roots are extremely cold-resistant, and can safely overwinter at-34℃, which is suitable for cultivation in northern China. Its leaves are bright in color, showing different colors at different temperatures, with long flowering period and high ornamental value. Not only that, it needs less light in the growth stage and has strong shade tolerance.
Fourth, Saxifraga
Saxifraga is resistant to shade and sun, so long as it provides a cool and well-ventilated environment during maintenance, it can grow normally. It has a certain cold tolerance and can tolerate the low temperature of 0℃. If you are in the northeast of China, you still need potted plants to ensure safe wintering.
Five, papaya begonia
Papaya begonia is very suitable for cultivation in the courtyard, and it likes a well-ventilated environment, which is cold-resistant and shade-resistant, and it can safely overwinter in the open air. When it blooms, its color is still very bright, and it will also emit rich floral fragrance, which is of great ornamental value.
Six, other plants
There are many kinds of shade-tolerant and cold-tolerant plants. Besides the above, we can also plant astilbine, begonias, four-flowered flowers, heather flowers, autumn flowers, snow-sprayed flowers, and some succulent plants, such as white hairy palms and glass balls.