Strawberry in Zone 3a & 3b
Fragaria x ananassa
Yes, strawberry grows in zones 3a and 3b and comes back each year. Set out nursery plants May 9–May 16.
When to plant strawberry in zone 3b
Zones 3a and 3b share the same average frost dates, so this page covers both.
Method: Buy as a start: Buy as a nursery start and transplant outside. It's slow or unreliable from seed, so most gardeners skip seed-starting it entirely.
| Start indoors | Not started from seed; buy as a nursery start |
|---|---|
| Direct sow / transplant outside | May 9–May 16 |
| Estimated harvest | First real harvest the season after planting |
Spacing: 1 per square foot (square-foot-gardening spacing). Mature height: 6-8 in.
Before you plant: Strawberry has a winter-hardiness note for zone 3b. See the details below.
Plant alongside it in zone 3b
These go outside within two weeks of strawberry in zone 3b, so one planting day can cover them.
- AppleMay 16–May 23
- Aronia (Black Chokeberry)May 16–May 23
- BlueberryMay 2–May 9
- CurrantMay 2–May 9
- ElderberryMay 16–May 23
- GooseberryMay 2–May 9
Strawberries are the one fruit that fits properly in a raised bed. One plant per square foot, low enough to shade nothing, and productive within a year of planting rather than the three or four a bush takes.
How strawberry fits zone 3's season
Zone 3b's frost-free window runs about 98 days, from May 30 to September 5. Strawberry takes about 1 growing season to reach first worthwhile harvest, so what matters here is how many of these seasons it gets, not whether one is long enough.
Strawberry is hardy in zones 3-10, so in zone 3b it stays in the ground through winter and comes back rather than being replanted. Allow about 1 ft of spread at maturity.
Strawberry planting windows in every zone
Zone 3b is highlighted. Useful for comparing against a neighbouring zone, or for a garden somewhere else.
| Zone | Start indoors | Sow or plant out | Harvest |
|---|---|---|---|
| 3a & 3b (your zone) | Buy as a start | May 9–May 16 | First real harvest the season after planting |
| 4a & 4b | Buy as a start | Apr 24–May 1 | First real harvest the season after planting |
| 5a & 5b | Buy as a start | Apr 19–Apr 26 | First real harvest the season after planting |
| 6a & 6b | Buy as a start | Apr 4–Apr 11 | First real harvest the season after planting |
| 7a & 7b | Buy as a start | Mar 20–Mar 27 | First real harvest the season after planting |
| 8a & 8b | Buy as a start | Mar 4–Mar 11 | First real harvest the season after planting |
| 9a & 9b | Buy as a start | Jan 25–Feb 1 | First real harvest the season after planting |
| 10a & 10b | Buy as a start | Jan 9–Jan 16 | First real harvest the season after planting |
Good companions
- Lettuce: Shallow-rooted and quick, so it uses the gaps between young strawberry plants before they knit together.
- Borage: Long-standing pairing in kitchen gardens, grown to draw pollinators to the strawberry flowers.
Where to buy strawberry starts
Strawberry is almost always bought as a nursery start rather than seeded. Check a local nursery or garden center; we haven't vetted online start/plant suppliers yet.
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See it growing
Search YouTube for "growing strawberry" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 3b calendar · Plan your beds in the Garden Designer →
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Growing Strawberry in USDA zone 3b: when to start seeds indoors, when to direct-sow, and when to expect a harvest.
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