Cantaloupe in Zone 10a & 10b
Cucumis melo
When to plant cantaloupe 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, Cantaloupe needs a head start on the heat that direct-sowing elsewhere doesn't require.
| Window | Spring window |
|---|---|
| Start indoors | Jan–Jun |
| Direct sow / transplant outside | Feb–Jul |
| Estimated harvest | Apr 22–Oct 19 (~80 days after transplanting) |
Spacing: about 4 square feet per plant (square-foot-gardening spacing). Mature height: 0.5-1 ft.
Zone 10b dates sourced from growinginthegarden.com.
Cantaloupe takes up far more room than most vegetables for the yield it gives back, at a quarter plant per square foot, it needs serious space to sprawl, and a single vine won't produce nearly as much fruit as a tomato or pepper plant in the same footprint. What it does deliver, ripened on the vine, is a flavor that store-bought melons (picked underripe for shipping) rarely match.
How cantaloupe fits zone 10's season
Zone 10b's frost-free window runs about 324 days, from January 30 to December 20. Cantaloupe needs about 80 days from sowing to first harvest.
Good companions
- Sweet Corn: Corn provides light afternoon shade without heavy competition for space.
Where to buy cantaloupe seeds
See why we recommend these suppliers →
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See it growing
Search YouTube for "growing cantaloupe" 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 Cantaloupe in USDA zone 10b: when to start seeds indoors, when to direct-sow, and when to expect a harvest.
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