Tatsoi in Zone 11a & 11b
Brassica rapa var. rosularis
When to plant tatsoi in zone 11b
Zones 11a and 11b share the same average frost dates in our data, so this page covers both.
Method: Direct sow: Direct-sow outside. Tatsoi doesn't transplant well, or doesn't need the extra time indoors.
| Start indoors | Not typically started indoors |
|---|---|
| Direct sow / transplant outside | Dec 11–Dec 18 |
| Estimated harvest | Jan 25 '27–Feb 1 '27 (~45 days after direct-sowing) |
Spacing: 9 per square foot (square-foot-gardening spacing). Mature height: 4-8 in.
Tatsoi is a close relative of bok choy, grown for its low, spoon-shaped rosette of dark green leaves. It's one of the more cold-hardy Asian greens, making it a reliable choice for a late-fall harvest.
How tatsoi fits zone 11's season
Zone 11b is frost-free in this dataset, so frost is not what limits the calendar here. What you can plant, and when, comes down to summer heat and daylength instead.
Good companions
No standout companions recorded yet for Tatsoi.
Where to buy tatsoi seeds
See why we recommend these suppliers →
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See it growing
Search YouTube for "growing tatsoi" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 11b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →
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Growing Tatsoi in USDA zone 11b: when to start seeds indoors, when to direct-sow, and when to expect a harvest.
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