Biennial herb. Prefer cool, moist and full sun. More cold, drought and semi-shade, tolerate poor soil. Growing temperature 10 ~ 25 ℃, winter can withstand -5 ℃ low temperature. Due to the strong self-seeding reproduction ability of the seeds, a large number of self-seeded seedlings will appear every year in the original cultivation site, and it is very dense. Therefore, there is no need to sow seeds every year. If the number of seedlings is not enough, simply sprinkle the seeds into the gaps after the fall rains. Fertilize 1 or 2 times during the growing period. If there is too much rain during flowering, it will affect fruiting, and the plant is prone to collapse and fruit rot. Seed harvesting needs to be timely, only a few fruits can be harvested when cracked. Prevention of powdery mildew and mildew damage.

Zhujiazui