When to plant rhubarb in zone 8a — planting calendar

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Showing USDA Zone 8A

Growing SeasonZone 8a

Last frost ~Mar 25First frost ~Nov 10Today

Start indoorsTransplant / sowHarvestFrost risk

MARAPRMAYJUNJULAUGSEPOCTNOVDECJANFEBMARAPRMAYJUNJULAUGSEP

Transplant Mar 11 · First harvest Sep 10 · Wrap by Nov 10

Last spring frostMar 25

Transplant outMar 11

First harvestSep 10

Last harvestNov 10

First fall frostNov 10

Why these dates work in zone 8a

Zone 8a's last spring frost averages Mar 25 and first fall frost Nov 10 — about 230 frost-free days. Rhubarb 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 rhubarb take to grow in zone 8a?

Rhubarb matures in about 548–730 days from transplanting. In zone 8a that means setting plants out around Mar 11 and first picking around Sep 10.

Will rhubarb survive frost in zone 8a?

Yes — rhubarb tolerates light frost. In zone 8a you can set plants out a little before the last frost (around Mar 25) and keep harvesting past the first fall frost (around Nov 10).

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