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Slow Growth in Kohlrabi
verifiedReviewed by the GreenScout Team
Kohlrabi is a quick-growing brassica that produces a swollen stem (knob) above ground with a mild, turnip-like flavor
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Kohlrabi care requirements
These care conditions are most relevant to slow growth in Kohlrabi. Check each one as a potential cause.
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Light
Full sun, 6–8 hours daily; light afternoon shade in hot climates beneficial
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Fertiliser
Apply balanced fertilizer (10-10-10) every 3–4 weeks; avoid excess nitrogen which promotes leaf growth over knob development
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Temperature
Optimal at 60–70°F (16–21°C); bolts quickly above 75°F (24°C); harvest knobs at 2–3 inches diameter before toughening
symptoms
Symptoms to look for in Kohlrabi
- fiber_manual_recordLittle to no new growth
- fiber_manual_recordStagnant development
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Common causes in Kohlrabi
- fiber_manual_recordLow light
- fiber_manual_recordPoor nutrition
- fiber_manual_recordRoot-bound
- fiber_manual_recordWrong season
- fiber_manual_recordOverwatering
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How to diagnose slow growth in Kohlrabi
Assess light levels, feeding schedule, and pot size.
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How to treat slow growth in Kohlrabi
Move to brighter spot. Feed regularly during growing season. Repot if root-bound.
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Preventing slow growth in Kohlrabi
Regular feeding. Adequate light. Annual pot size check.