When to plant bush beans in zone 10b — planting calendar

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Showing USDA Zone 10B

Growing SeasonZone 10b

Last frost ~Jan 15First frost ~Dec 31Today

Start indoorsTransplant / sowHarvestFrost risk

JANFEBMARAPR

Sow Jan 29 · First harvest Mar 20 · Wrap by Apr 10

Last spring frostJan 15

Direct sowJan 29

First harvestMar 20

Last harvestApr 10

First fall frostDec 31

Why these dates work in zone 10b

Zone 10b's last spring frost averages Jan 15 and first fall frost Dec 31 — about 350 frost-free days. Bush Beans 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.

Common questions

How long does bush beans take to grow in zone 10b?

Bush Beans matures in about 50–65 days from sowing. In zone 10b that means sowing around Jan 29 and first picking around Mar 20.

Will bush beans survive frost in zone 10b?

No — bush beans is frost-sensitive. In zone 10b, wait until after the last frost (around Jan 15) to plant, and harvest before the first fall frost (around Dec 31).

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