1, spring: March to April planting, the temperature is above 15 ℃, usually choose outdoor or open-air planting.

2, fall: August to September planting, the temperature is below 20 ℃, it is suitable to choose sunny, well-drained indoor or pot planting.

3, winter: October to January planting, the temperature is about 5 ℃ ~ 15 ℃, suitable for greenhouse or indoor planting.