Introduction of zinnia
Zinnia likes warmth, is not cold-resistant, likes sunshine, and is afraid of hot summer. It is strong, drought-tolerant, barren and avoids continuous cropping. Deep roots and hard stems are suitable for growing in fertile deep soil.
Zinnia originated in Mexico and is a famous ornamental plant, which has single petals, double petals, rolled leaves, wrinkled leaves and various horticultural varieties of different colors. Widely cultivated in all parts of China.
Zinnia likes warm sunshine, but is not tolerant of hot summer, high temperature and cold. Its optimum growth temperature is 65,438+08-20℃ in the daytime, 65,438+05-65,438+06℃ at night, especially in summer, and it can be directly used in full sunshine. If there is not enough sunshine, plants can easily grow in vain.