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When to Plant Beet in Glen Ullin, North Dakota (58631)

Location

Glen Ullin, North Dakota

ZIP Code

58631

USDA Zone

4a

Last Frost

Friday, May 15, 2026

📅 Planting Calendar

Start Seeds Indoors Friday, March 20, 2026
Transplant Outdoors Friday, May 29, 2026

Pro Tip: Start Beet seeds indoors 8 weeks before your last frost date for best results.

🌿 Plant Details

Scientific Name Cynara scolymus
Days to Maturity 55 days
Mature Height 12-18"
Spread 4"
Type Root
Fruit Size Medium (2-3 inches)

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Regular (1 inch/week)

↔️

Spacing

4" apart

🌱

Planting Depth

0.5" deep

Seeds typically germinate in 5-10 days

🤝 Good Companions

LettuceOnionBrassicasKohlrabi

⚠️ Avoid Planting Near

Pole beanField mustard

Other Plants for Glen Ullin

Growing Beet in Zone 4a

Beet (Cynara scolymus) is a popular garden vegetable. In Glen Ullin, North Dakota, which is in USDA Hardiness Zone 4a, you should start seeds indoors around Friday, March 20, 2026.

Your average last frost date is Friday, May 15, 2026. Plan to transplant your Beet seedlings outdoors around Friday, May 29, 2026, about 2 weeks after your last frost date.