When to plant asparagus 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

DECJANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECJANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECJAN

Transplant Jan 1 · First harvest Jan 1 · Wrap by Dec 31

Last spring frostJan 15

Transplant outJan 1

First harvestJan 1

Last harvestDec 31

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. Asparagus tolerates light frost, so you can set plants out ahead of the last-frost date and keep harvesting into the cooler fall.

Common questions

How long does asparagus take to grow in zone 10b?

Asparagus matures in about 730–1095 days from transplanting. In zone 10b that means setting plants out around Jan 1 and first picking around Jan 1.

Will asparagus survive frost in zone 10b?

Yes — asparagus tolerates light frost. In zone 10b you can set plants out a little before the last frost (around Jan 15) and keep harvesting past the first fall frost (around Dec 31).

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