When to plant cantaloupe in zone 9a — planting calendar

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Showing USDA Zone 9A

Growing SeasonZone 9a

Last frost ~Feb 28First frost ~Nov 30Today

Start indoorsTransplant / sowHarvestFrost risk

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Start indoors Feb 7 · Sow Mar 14 · First harvest May 28 · Wrap by Jun 18

Last spring frostFeb 28

Start seeds indoorsFeb 7

Direct sowMar 14

First harvestMay 28

Last harvestJun 18

First fall frostNov 30

Why these dates work in zone 9a

Zone 9a's last spring frost averages Feb 28 and first fall frost Nov 30 — about 275 frost-free days. Cantaloupe is frost-sensitive, so the 2w after frost timing builds in a safety margin against a late cold snap — setting plants out too early risks losing them to frost. Starting seeds indoors 3 weeks ahead gives strong transplants ready the moment the soil warms.

Common questions

How long does cantaloupe take to grow in zone 9a?

Cantaloupe matures in about 75–90 days from sowing. In zone 9a that means sowing around Mar 14 and first picking around May 28.

Will cantaloupe survive frost in zone 9a?

No — cantaloupe is frost-sensitive. In zone 9a, wait until after the last frost (around Feb 28) to plant, and harvest before the first fall frost (around Nov 30).

For soil, spacing, pests and companion planting, see the full cantaloupe growing guide →