Jicama in Zone 9a & 9b
Pachyrhizus erosus
When to plant jicama in zone 9b
Zones 9a and 9b share the same average frost dates in our data, so this page covers both.
Method: Start indoors: Start indoors from seed, then transplant outside. Jicama needs a head start most zones can't give it by direct-sowing alone.
| Start indoors | Jan 4–Jan 11 |
|---|---|
| Direct sow / transplant outside | Mar 1–Mar 8 |
| Estimated harvest | Jul 29–Aug 5 (~150 days after transplanting) |
Spacing: 1 per square foot (square-foot-gardening spacing). Mature height: 8-15 ft.
Jicama is worth knowing two things about before you plant it: it needs a very long season, and most of the plant is poisonous.
How jicama fits zone 9's season
Zone 9b's frost-free window runs about 293 days, from February 15 to December 5. Jicama needs about 150 days from transplant to first harvest.
Good companions
No standout companions recorded yet for Jicama.
Where to buy jicama seeds
See why we recommend these suppliers →
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See it growing
Search YouTube for "growing jicama" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 9b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →
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Growing Jicama in USDA zone 9b: when to start seeds indoors, when to direct-sow, and when to expect a harvest.
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