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vegetableBiennialEdible
Kohlrabi
Brassica oleracea var. gongylodes
Also known as: german turnip, turnip cabbage
Cool-season brassica grown for its swollen above-ground stem. Mild crunchy texture. Harvest at tennis-ball size.
Growing Requirements
SunFull Sun
WaterMedium
Soil Type
Soil Drainage
Soil pH
Plant Spacing6–8″
Row Spacing12–18″
Planting Depth0.25–0.5″
Height12–18″
Spread8–12″
✓ Container Friendly✓ Raised Bed Friendly
Planting Schedule
Start Indoors
4–6 weeks before last frost
Direct Sow (Spring)
2–4 weeks before last frost
Transplant Outdoors
-2–9 weeks after last frost
Fall Sow
8–10 weeks before first frost
Germination
5–10 days
Days to Harvest
45–60 days
Zone Suitability
USDA Hardiness Zones
1
2
3
4
5
6
7
8
9
10
11
12
13
Zones 3–10
Cannot overwinter outdoors
Harvest before bulbs become woody. Tolerates light frost. Good for spring and fall crops.
Companion Plants
No companion data available for this plant yet.