Rasko is a kohlrabi variety for all year-round outdoor cultivation as well as early under glass. Slightly flat and round tuber with strong leaves. Semi erected leaves. Early to medium early maturing. Good uniform growth. Rich flavour, aromatic with a good amount of sweetness. A firm consistency without tending to woodiness.
Planting Calendar
Area
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Okt
Nov
Dec
Sowing for planting
0
0
1
1
1
1
1
1
1
1
1
1
1
1
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
Planting outside
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
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
Harvest
0
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
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
Planting Calendar
Area
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Okt
Nov
Dec
Sowing for planting
0
0
1
1
1
1
1
1
1
1
1
1
1
1
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
Planting outside
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
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
Harvest
0
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
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
Characteristics for Rasko
Cultivation for Kohlrabi
Seed germination temperature: 18-20 °CPlanting distance: greenhouse ca. 25 x 25 cm
open ground ca. 30 x 30 cm
Optimal amount of plants: greenhouse ca. 16 plants/m²
The Demeter farm De Beersche Hoeve is a propagation and breeding farm located at Gut Baest in the south of the Netherlands. It is a former monastery farm that has been in operation for 800 years.
Obergrashof
The Kulturpflanzenentwicklung Obergrashof e.V. is located near Dachau in the Munich gravel plain. In addition to seed propagation, new Kultursaat varieties are also bred here according to biodynamic principles.