Sorrel illustration

Growing Sorrel in Zone 3a

Zone 3a has harsh winters and a short growing season. Start Sorrel early indoors to maximize your harvest window. Last frost: May 22. First frost: Sep 12.

Planting Calendar

Indoor
Outdoor
Harvest
Apr 10Sep 12

Season: May 22 – Sep 12 (113 days)

Zone3a
Last FrostMay 22
First FrostSep 12
Season Length113 days
Days to Harvest40
SunPart Sun / Part Shade
Frost ToleranceHeavy
Spacing4/sqft (6" apart)

When to Plant Sorrel in Zone 3a

Start Seeds Indoors: Apr 10

Start Sorrel seeds indoors around Apr 10 (6 weeks before last frost). Optimal germination temperature: 65°F. Germinates in 7–14 days.

Transplant Outdoors: May 8

Transplant Sorrel seedlings outdoors after May 8. Wait until soil temperature reaches 45°F. Space plants at 4/sqft (6" apart). Harden off plants for a week before moving outside.

Harvest: Jun 22

First harvest approximately Jun 22 (~45 days from transplant). Continue harvesting until first frost (Sep 12). Sorrel can overwinter in mild climates for continued harvest.

Plan Your Sorrel Garden

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

Start Free Sorrel Growing Guide