100pcs U.S. lettuce seed fruits and vegetables lettuce seeds Bonsai seeds balcony for home and garden good tasty healthy food
The black seed lettuce
Families of the four seasons can sow. Guangdong and guangxi can sow except 7, 8 month anniversary.
From sowing to harvest about 40 to 50 days
The requirement of environmental conditions:
1. The temperature and lettuce to cool or cold, avoid high temperature crop, seeds germinate in 4 above, germination optimum temperature for 15 ~ 20 . Seedling ability, low temperature growth Sundays when day average temperature 12 , ball is the optimum temperature for growth is 13 ~ 16 . But now some lettuce varieties resistant to high temperature, but best can timely recovery before the rainy season.
2. Light and lettuce for long sunshine crops, need plenty of sunshine during growth. Insufficient light easy to cause loose knot ball not neat or knot.