1. The suitable temperature for growth of chrysanthemum brain is 12-20℃. The best sowing time is from early February to early March.

2. Chrysanthemum leaf, also known as chrysanthemum leaf, roadside yellow, and wild chrysanthemum, is a perennial herbaceous plant. It is rich in nutrients and has the effects of cooling, antipyretic, appetizing, and lowering blood pressure. The suitable growth temperature is 12-20℃. There are two main varieties in northern Jiangsu, one with small leaves and the other with large leaves. Large-leaf chrysanthemum brains are often used in production.