Vegetable / Cool season
American Purple Top Rutabaga
Fall storage beds where roots can size in cool weather.
Sweet, dense yellow roots for roasting and storage.
Seed spacing and maturity
- Days to maturity
- 90
- Germination temperature
- 45-85F
- Seed depth
- 0.5 inches
- Spacing
- 8 inches
- Row spacing
- 18 inches
- Start method
- Direct sow
Frost-date timing
- Direct sow
- 28 days before last frost
- Fall planting
- 12 weeks before first frost
Growing profile
- Sun
- Full sun
- Water
- Even moisture supports smooth, mild roots.
- Soil
- Deep, fertile, well-drained soil without fresh manure.
- Watch
- Thin promptly; crowded rutabagas stay small and misshapen.
- root-crop
- brassica
- storage
- cool-season
Browse context
- Vegetable Catalog Category collection
- Mustard Family Rotation and family context
- Cool Season Seeds Season collection
- Direct Sow Seeds Start-method collection
- Fall-Planting Seeds Practical trait collection
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Source: CSU vegetable planting guide