Celtuce (Stem Lettuce) in Zone 10a & 10b
Lactuca sativa var. asparagina
When to plant celtuce (stem lettuce) in zone 10b
Zones 10a and 10b share the same average frost dates in our data, so this page covers both.
Method: Either: Start indoors for an earlier harvest, or direct-sow outside for less fuss. Celtuce (Stem Lettuce) tolerates either.
| Start indoors | Jan 2–Jan 9 |
|---|---|
| Direct sow / transplant outside | Jan 9–Jan 16 |
| Estimated harvest | Mar 30–Apr 6 (~80 days after planting) |
Spacing: 2 per square foot (square-foot-gardening spacing). Mature height: 1-1.5 ft.
Celtuce, also called stem lettuce, is a lettuce relative grown for a thick, crisp central stem instead of its leaves, a texture somewhere between celery and lettuce hearts once peeled.
How celtuce (stem lettuce) fits zone 10's season
Zone 10b's frost-free window runs about 324 days, from January 30 to December 20. Celtuce (Stem Lettuce) needs about 80 days from sowing to first harvest.
Good companions
No standout companions recorded yet for Celtuce (Stem Lettuce).
Where to buy celtuce seeds
See why we recommend these suppliers →
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See it growing
Search YouTube for "growing celtuce (stem lettuce)" 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 Celtuce (Stem Lettuce) in USDA zone 10b: when to start seeds indoors, when to direct-sow, and when to expect a harvest.
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