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When to Plant Cabbage in Grand Forks, North Dakota (58208)

Location

Grand Forks, North Dakota

ZIP Code

58208

USDA Zone

4a

Last Frost

Friday, May 15, 2026

📅 Planting Calendar

Direct Sow Outdoors Friday, April 3, 2026

Pro Tip: Cabbage can be directly sown outdoors. Plant 6 weeks before your last frost date.

🌿 Plant Details

Scientific Name Brassica oleracea
Days to Maturity 70 days
Mature Height 12-18"
Spread 24"
Type Head
Fruit Size Large (2-5 lb head)

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Regular (1-1.5 inches/week)

↔️

Spacing

18" apart

🌱

Planting Depth

0.5" deep

Seeds typically germinate in 4-10 days

🤝 Good Companions

CeleryDillOnionPotatoChamomile

⚠️ Avoid Planting Near

StrawberryTomatoGrape

Other Plants for Grand Forks

Growing Cabbage in Zone 4a

Cabbage (Brassica oleracea) is a popular garden vegetable. In Grand Forks, North Dakota, which is in USDA Hardiness Zone 4a, you should direct sow seeds around Friday, April 3, 2026.

Your average last frost date is Friday, May 15, 2026. Cabbage grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.