1, potherb is a variant of mustard, belonging to the Cruciferae, Brassica genus of annual herbs, also called potherb, snow cabbage, spring not old, etc..

2, morphological characteristics: snow red plant height of about 30-150 cm or so, the plant is glabrous, prickly hairs on the stem with frost, the stem is erect, branched. The shape of the basal leaves is oblanceolate or oblong-oblanceolate, the leaves are irregularly serrated or biserrate, the upper and top cauline leaves are small, oblong in shape, the leaves are entire, and the leaves are crumpled. Racemes are terminal, flowers are yellow in color, sepals are yellowish, oblong-elliptic in shape, petals are obovate. The longhorn fruits are linear and the seeds are spherical, about 1 mm or so in diameter and purple-brown in color.

3, growth habit: the snow red like cool climate, the growth of the appropriate temperature of 15-20 ℃, can withstand low temperatures. Snow red like light, in sunny conditions under good growth, rapid growth.

4, reproduction methods: the snow red can be used to reproduce the method of seeding, selected in late August to early September sowing, more than the use of flat beds direct broadcasting, sowing covered with thin soil.