Kohlrabi seeds grow into compact, upright plants that develop a smooth, rounded stem above the soil surface. White kohlrabi is suited to cool season cultivation and performs well in mild to temperate climates. Plants adapt well to garden beds, raised beds, and container growing when provided with consistent moisture and well drained, fertile soil. This type is commonly grown as a short season crop and fits into both spring and fall planting schedules across a wide range of regions.
Features
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Compact, upright growth habit
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Adapted to cool season growing conditions
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Suitable for garden beds, raised beds, and containers
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Performs well in mild and temperate climates
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Short season growth cycle
Specifications
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Scientific name: Brassica oleracea var. gongylodes
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Common name (US): Kohlrabi
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Seed type / variety: White
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Growth habit: Upright, compact
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USDA hardiness zones: 3 to 10
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Planting season: Spring and fall
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Sowing season:
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Zones 3 to 5: April to May; July to August
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Zones 6 to 7: March to April; August to September
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Zones 8 to 10: February to March; September to October
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Germination time and conditions: 7 to 14 days; optimal temperatures between 60 and 75 degrees Fahrenheit with consistent moisture
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Sunlight requirements: Full sun to partial sun
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Soil requirements: Well drained, fertile soil with moderate organic matter
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Watering needs: Regular watering to maintain evenly moist soil
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Mature plant size: 12 to 18 inches in height, approximately 12 inches spread
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Plant spacing: 8 to 12 inches between plants