Planting date of overwintering cauliflower

Cauliflower is an annual plant of Brassica in Cruciferae, native to the eastern Mediterranean coast and introduced to China in the early 19th century. When will overwintering cauliflower be planted?

I. growth habits of cauliflower

Cauliflower, as an annual plant of Brassica in Cruciferae, has high nutritional value and anti-cancer effect. Cauliflower is rich in a variety of indole derivatives and has the ability to decompose carcinogens, so it is also included in health food.

Cauliflower has developed root system and strong regeneration ability, which is suitable for seedling raising and transplanting. It is easy to suffer frost injury below 0 ℃, but it is difficult to form a flower ball above 25 ℃. The growth of foliage and bolting and flowering should be warm and the suitable temperature should be 20-25 ℃.

The formation of the bouquet goes through the stage of vernalization at low temperature. Cauliflower is not strict to the light condition, but to the moisture requirement is relatively strict, neither waterlogging nor drought tolerance. It has strong adaptability to soil, but the sandy loam with high organic matter and deep soil layer is the best. The suitable soil pH is 5.5-6.6. The salt tolerance is strong, and it can still grow normally on the soil where the salt content is 0.3% Mel 0.5%.

II. Planting date of overwintering cauliflower

Overwintering cauliflower is generally planted around October, but the specific sowing time needs to be determined according to the local climate and cauliflower varieties. The planting dates of different areas and vegetable varieties will be slightly different, based on the actual date.

What are the kinds of cauliflower

1. Very early-maturing varieties

This kind of cauliflower is suitable for high temperature cultivation, with early flower bud differentiation, strong heat and moisture tolerance, from planting to harvest for 30-40 days.

2. Early-maturing varieties

This kind of cauliflower has strong resistance to heat and moisture, and it takes 50-60 days from planting to harvest.

3. Medium-ripe varieties

This kind of variety has late flower bud differentiation, less heat tolerance and low temperature tolerance. 90 days from planting to harvest

4. Late-maturing varieties

These varieties are not heat-resistant, flower buds differentiate late and tolerate low temperature, and it takes more than 90 days from planting to harvest.