When should I plant Beet in Zone 3b?

Direct sow Beet outdoors around Apr 24. Harvest around Jun 18.

What is the last frost date for Zone 3b?

The average last spring frost date for Zone 3b is May 15. The first fall frost averages Sep 22, giving a 130-day growing season.

Can I grow Beet in Zone 3b?

Yes. Beet needs 55 days to harvest. Zone 3b has a 130-day growing season, which is sufficient. You can plant up to 3 successions.

🟣

🟣 Growing Beet in Zone 3b

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

Planting Calendar

Outdoor

Harvest

Apr 24Sep 22

Season: May 15 – Sep 22 (130 days) · Succession: plant every 3 weeks (up to 3x)

Zone3b

Last FrostMay 15

First FrostSep 22

Season Length130 days

Days to Harvest55

SunFull Sun

Frost ToleranceModerate

Spacing9/sqft (4" apart)

When to Plant Beet in Zone 3b

Sow Seeds Outdoors: Apr 24

Direct sow Beet seeds outdoors around Apr 24. Soil temperature should be at least 45°F. Space at 9/sqft (4" apart).

Harvest: Jun 18

First harvest approximately Jun 18 (~55 days from planting). Continue harvesting until first frost (Sep 22).

Fall Planting: Jul 28

For a fall harvest, plant Beet around Jul 28 (8 weeks before first frost).

Companion Planting

✅ Cabbage✅ Onions✅ Beans✅ Lettuce ✅ Garlic

❌ Beans

Beet in Other Zones

1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13b

Plan Your Beet Garden

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

Start Free Beet Growing Guide