Swede
Brassica napus var. napobrassica
vegetableLarge, hardy brassica with yellow or purple-topped roots and a sweet, mild flavor; takes 90–120 days to mature and stores exceptionally well. Swedes (also called rutabagas) thrive in cool climates and are frost-tolerant, making them perfect for fall harvests and winter storage. Both roots and tops are edible.
Common Problems
Select the problem your Swede is experiencing to get a treatment guide.
Care Guide
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Light
Full sun (6–8 hours daily); tolerates partial shade but prefers bright conditions
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Water
Water 1–1.5 inches per week; maintain consistent moisture to prevent splitting and cracking
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Soil
Well-draining, fertile soil with pH 6.0–7.5; loose structure prevents deformity and cracking
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Fertiliser
Apply balanced fertilizer at sowing and side-dress at mid-season; avoid excessive nitrogen to prevent forking
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Temperature
Cool-season crop; optimal 55–70°F (13–21°C); very frost-hardy and improves in flavor after light frosts
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Humidity
Moderate humidity; tolerates drier conditions better than other brassicas; 40–70% relative humidity acceptable
Toxicity
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Swedes and greens are safe and nutritious; no toxic compounds present
Common Diseases
Common Pests
Seasonal Care
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Resume regular watering and feeding as growth picks up.
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Peak growing season. Water and feed regularly.
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Reduce watering as growth slows. Stop heavy feeding.
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Minimal watering and feeding. Protect from frost if needed.