Lettuce with medium green, medium dense, flat heads. Butterhead type. Bolt resistant. For harvesting in spring and early summer.
Colour: green
Leaf colour: medium green
Type: early summer, spring
Temperature requirements: medium
Nutrient requirements: medium
Seed spacing between the row: 25-30 cm
Seed spacing in the row: 25-30 cm
Sowing depth: 0.1-0.5 cm
Sowing calendar
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Indoor sowing
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Outdoor sowing
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Harvest
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Explanations
ProSpecieRara: This variety has been awarded by ProSpecieRara as a rare or old variety. ProSpecieRara is a foundation dedicated to preserving the diversity of rare plant varieties. In long-term cooperation with ProSpecieRara, Sativa is active in the important preservation and cultivation of these traditional varieties.
Conservation Breeding: For this variety Sativa practices conservation breeding in Rheinau. To ensure high-quality varieties, they must be maintained. They are regularly replicated and selected by their positive characteristics. In doing so the varieties are continually improved and adapted to growing conditions.