Not your zone?
or
Showing USDA Zone 5B
Last spring frostMay 15
Transplant outMay 8
First harvestMay 8
Last harvestSep 30
First fall frostSep 30
Why these dates work in zone 5b
Zone 5b's last spring frost averages May 15 and first fall frost Sep 30 — about 138 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 5b?
Raspberry matures in about 365–548 days from transplanting. In zone 5b that means setting plants out around May 8 and first picking around May 8.
Will raspberry survive frost in zone 5b?
Yes — raspberry tolerates light frost. In zone 5b you can set plants out a little before the last frost (around May 15) and keep harvesting past the first fall frost (around Sep 30).
For soil, spacing, pests and companion planting, see the full raspberry growing guide →
