Marigold Hardiness Zone
Calendula chrysanthemum cold-tolerant area test
Calendula chrysanthemum is also a good product in flowers. Its cold resistance is related to the planting place, and the world has paid more attention to it.
The demarcation of the cold-tolerant area of Calendula chrysanthemum depends on many factors. It is native to foreign lands, and it likes cold in nature, but it also has its tolerance limit. The change of cold temperature is related to its prosperity and decline.
In the northern land, it is cold in the middle of winter, and the frost and snow are cold. If in high latitudes and high altitudes, the soil is frozen and frozen, Calendula may not be able to withstand its cold, and it is not a suitable place to live. In such extremely cold places, cold damage is frequent, and the rhizomes of Calendula chrysanthemum are easily damaged by freezing, and the buds
In the south, summer is hot and summer is hot, and the temperature is high. Although Calendula is not afraid of extreme heat, it is not suitable for long-term extreme heat. Its growth state may be sluggish, and the flowering period may be disordered.
Looking between the Central Plains and the Jianghuai River, the four seasons are distinct and the cold temperature is moderate. There is no extreme cold in winter, and there is no scorching heat in summer. In terms of Calendula, this place is like a hotbed. When spring comes, the sun is budding, and Calendula sprouts and spreads leaves, which is full of vitality; when autumn comes, the climate is refreshing, and its flowers are blooming and fragrant, and its color is beautiful.
Even if it is in a suitable area, it also needs to be adapted to local conditions according to time. Mulch the roots in the cold season, cover it with manure, which can resist frost and snow; shade the sun during the flame, avoid the scorching sun, and protect its delicate body.
From this perspective, it is clear that the cold-resistant area of Calendula is clear. Due to the policies of the area, the flowers of Calendula are prosperous and the leaves are lush, adding to the splendor of the world.
