Chives in Zone 10a & 10b
Allium schoenoprasum
When to plant chives in zone 10b
Zones 10a and 10b share the same average frost dates in our data, so this page covers both.
Method: Start indoors: Start indoors from seed, then transplant outside. In your zone, Chives needs a head start on the heat that direct-sowing elsewhere doesn't require.
| Window | Fall window |
|---|---|
| Start indoors | Aug–Feb |
| Direct sow / transplant outside | Oct–Apr |
| Estimated harvest | Nov 30–Jun 29 '27 (~60 days after transplanting) |
Spacing: 9 per square foot (square-foot-gardening spacing). Mature height: 1-1.5 ft.
Zone 10b dates sourced from growinginthegarden.com.
Chives are the easiest allium in the garden, a perennial clump that comes back every spring, tolerates cold well, and asks for almost nothing once it's established.
How chives fits zone 10's season
Zone 10b's frost-free window runs about 324 days, from January 30 to December 20. Chives needs about 60 days from sowing to first harvest.
Good companions
- Carrot: Same allium/carrot pest-masking effect measured for onion and carrot (Uvah & Coaker 1984) — a real, peer-reviewed field study, not folklore.
Where to buy chive seeds
See why we recommend these suppliers →
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See it growing
Search YouTube for "growing chives" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 10b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →
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Growing Chives in USDA zone 10b: when to start seeds indoors, when to direct-sow, and when to expect a harvest.
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