Luffa Gourd in Zone 10a & 10b
Luffa aegyptiaca
When to plant luffa gourd 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. Luffa Gourd tolerates either.
| Start indoors | Jan 2–Jan 9 |
|---|---|
| Direct sow / transplant outside | Feb 6–Feb 13 |
| Estimated harvest | Jun 11–Jun 18 (~125 days after planting) |
Spacing: about 4 square feet per plant (square-foot-gardening spacing). Mature height: 8-15 ft.

Luffa gourd is a dual-purpose crop: pick the fruit young and it eats like a mild summer squash, or leave it on the vine to mature and dry, at which point the inside cures into the fibrous, all-natural sponge sold in stores.
How luffa gourd fits zone 10's season
Zone 10b's frost-free window runs about 324 days, from January 30 to December 20. Luffa Gourd needs about 125 days from sowing to first harvest.
Good companions
No standout companions recorded yet for Luffa Gourd.
Where to buy luffa gourd seeds
See why we recommend these suppliers →
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See it growing
Search YouTube for "growing luffa gourd" 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 Luffa Gourd in USDA zone 10b: when to start seeds indoors, when to direct-sow, and when to expect a harvest.
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