When to plant blueberries in zone 4
In USDA zone 4, the last spring frost usually falls between May 1 and May 20. Plant around Apr 21 to Jun 3. Once established, expect to harvest around Jul 22 to Sep 20.
Zone 4 dates for blueberries
| Sow or plant outside | Apr 21 to Jun 3 |
|---|---|
| Harvest | Jul 22 to Sep 20 |
| Typical last spring frost | May 1 to May 20 |
| Typical first fall frost | around Sep 15 |
USDA zones measure winter cold, not frost dates, so these are typical dates for the zone. Towns in the same zone can be weeks apart.
Get dates for blueberries in your exact town, not just your zone.
Get my dates free →How to grow blueberries
A backyard star — all about acidic soil. Read the full blueberries growing guide: spacing, sun and soil, step-by-step care, problems and the best varieties.