When is it suitable to grow winter spinach in low temperature greenhouse?

Planting spinach in winter in low-temperature greenhouse is generally a solar term from beginning of autumn to Bailu, that is, from August 25th to September 5th.

Spinach, also known as Persian cuisine, red root cuisine, parrot cuisine, etc. It belongs to the genus Spinach of Chenopodiaceae and the genus Panicum. The height of the plant can reach 1 m, the root is conical, reddish, less white, the leaves are halberd-shaped to oval, bright green, whole or with a few toothed lobes. There are many kinds of spinach, which can be divided into spiny and spiny varieties according to seed morphology.