Turnip in Zone 8a & 8b
Brassica rapa
When to plant turnip in zone 8b
Zones 8a and 8b share the same average frost dates in our data, so this page covers both.
Method: Direct sow: Direct-sow outside. Turnip doesn't transplant well, or doesn't need the extra time indoors.
| Start indoors | Not typically started indoors |
|---|---|
| Direct sow / transplant outside | Mar 4–Mar 11 |
| Estimated harvest | Apr 23–Apr 30 (~50 days after direct-sowing) |
Spacing: 9 per square foot (square-foot-gardening spacing). Mature height: 1-1.5 ft.
Turnips are an underused fast crop: direct-sown, no transplanting fuss, and ready to eat in under two months. They're an easy way to fill a bed gap between slower-growing neighbors.
How turnip fits zone 8's season
Zone 8b's frost-free window runs about 230 days, from March 25 to November 10. Turnip needs about 50 days from sowing to first harvest.
Good companions
- Pea: Peas fix nitrogen that benefits neighboring root crops.
Where to buy turnip seeds
See why we recommend these suppliers →
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See it growing
Search YouTube for "growing turnip" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 8b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →
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Growing Turnip in USDA zone 8b: when to start seeds indoors, when to direct-sow, and when to expect a harvest.
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