When to plant Blueberry in Zone 4a
In Zone 4a, Blueberry: transplant outdoors around Apr 17–May 1. Expect to harvest around Aug 15–Aug 29.
| Step | When |
|---|---|
| Transplant outdoors | Apr 17 – May 1 |
| Harvest | Aug 15 – Aug 29 |
Tip: A long-lived perennial shrub. Plant in early spring in acidic soil (pH 4.5–5.5); needs a couple of years to hit full yield.
Zone 4a averages a last spring frost around May 15 and a first fall frost around Sep 18. These are zone averages — look up your ZIP for your exact area.
See the full Zone 4a calendar in the tool →