Strawberry illustration 🍓

🍓 Growing Strawberry in Zone 3b

Zone 3b has harsh winters and a short growing season. Start Strawberry early indoors to maximize your harvest window. Last frost: May 15. First frost: Sep 22.

Planting Calendar

Indoor
Outdoor
Harvest
Mar 6Sep 22

Season: May 15 – Sep 22 (130 days)

Zone3b
Last FrostMay 15
First FrostSep 22
Season Length130 days
Days to Harvest60
SunFull Sun
Frost ToleranceHeavy
Spacing4/sqft (6" apart)

When to Plant Strawberry in Zone 3b

Start Seeds Indoors: Mar 6

Start Strawberry seeds indoors around Mar 6 (10 weeks before last frost). Optimal germination temperature: 65°F. Germinates in 14–28 days.

Transplant Outdoors: Apr 10

Transplant Strawberry seedlings outdoors after Apr 10. Wait until soil temperature reaches 45°F. Space plants at 4/sqft (6" apart). Harden off plants for a week before moving outside.

Harvest: Jul 9

First harvest approximately Jul 9 (~90 days from transplant). Continue harvesting until first frost (Sep 22). Strawberry can overwinter in mild climates for continued harvest.

Companion Planting

❌ Broccoli❌ Cauliflower❌ Cabbage

Plan Your Strawberry Garden

Track Strawberry from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

Start Free Strawberry Growing Guide