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

Frequently Asked Questions

When should I plant Turnip in Zone 3a?

Direct sow Turnip outdoors around May 1. Harvest around Jun 15.

What is the last frost date for Zone 3a?

The average last spring frost date for Zone 3a is May 22. The first fall frost averages Sep 12, giving a 113-day growing season.

Can I grow Turnip in Zone 3a?

Yes. Turnip needs 45 days to harvest. Zone 3a has a 113-day growing season, which is sufficient. You can plant up to 3 successions.

What is the best month to plant Turnip in Zone 3a?

The best time to plant Turnip in Zone 3a is around May 1, when soil temperatures are suitable and frost risk has passed.

What companion plants grow well with Turnip?

Good companion plants for Turnip include Peas, Vetch. Avoid planting Turnip near Knapweed, Mustard Greens.

How long does Turnip take to harvest?

Turnip takes approximately 45 days from planting to harvest. In Zone 3a, expect your first harvest around Jun 15.

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