Turnip illustration

⚪ Growing Turnip in Zone 3a

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

Planting Calendar

Outdoor
Harvest
May 1Sep 12

Season: May 22 – Sep 12 (113 days) · Succession: plant every 3 weeks (up to 3x)

Zone3a
Last FrostMay 22
First FrostSep 12
Season Length113 days
Days to Harvest45
SunFull Sun
Frost ToleranceModerate
Spacing9/sqft (4" apart)

When to Plant Turnip in Zone 3a

Sow Seeds Outdoors: May 1

Direct sow Turnip seeds outdoors around May 1. Soil temperature should be at least 40°F. Space at 9/sqft (4" apart).

Harvest: Jun 15

First harvest approximately Jun 15 (~45 days from planting). Continue harvesting until first frost (Sep 12).

Fall Planting: Jul 18

For a fall harvest, plant Turnip around Jul 18 (8 weeks before first frost).

Companion Planting

✅ Peas✅ Vetch
❌ Knapweed❌ Mustard Greens

Plan Your Turnip Garden

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

Start Free Turnip Growing Guide