When to plant asparagus 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

FEBMARAPRMAYJUNJULAUGSEPOCTNOVDECJANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECJANFEB

Transplant Feb 14 · First harvest Feb 14 · Wrap by Nov 30

Last spring frostFeb 28

Transplant outFeb 14

First harvestFeb 14

Last harvestNov 30

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. 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 9a?

Asparagus matures in about 730–1095 days from transplanting. In zone 9a that means setting plants out around Feb 14 and first picking around Feb 14.

Will asparagus survive frost in zone 9a?

Yes — asparagus tolerates light frost. In zone 9a you can set plants out a little before the last frost (around Feb 28) and keep harvesting past the first fall frost (around Nov 30).

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