When to plant raspberry in zone 3b — planting calendar

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Showing USDA Zone 3B

Growing SeasonZone 3b

Last frost ~May 25First frost ~Sep 15Today

Start indoorsTransplant / sowHarvestFrost risk

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Transplant May 18 · First harvest May 18 · Wrap by Sep 15

Last spring frostMay 25

Transplant outMay 18

First harvestMay 18

Last harvestSep 15

First fall frostSep 15

Why these dates work in zone 3b

Zone 3b's last spring frost averages May 25 and first fall frost Sep 15 — about 113 frost-free days. Raspberry 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 raspberry take to grow in zone 3b?

Raspberry matures in about 365–548 days from transplanting. In zone 3b that means setting plants out around May 18 and first picking around May 18.

Will raspberry survive frost in zone 3b?

Yes — raspberry tolerates light frost. In zone 3b you can set plants out a little before the last frost (around May 25) and keep harvesting past the first fall frost (around Sep 15).

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