🌱 MyLocalPlanting

When to Plant Cabbage in Iola, Wisconsin (54990)

Location

Iola, Wisconsin

ZIP Code

54990

USDA Zone

4b

Last Frost

Tuesday, May 5, 2026

📅 Planting Calendar

Direct Sow Outdoors Tuesday, March 24, 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 Iola

Growing Cabbage in Zone 4b

Cabbage (Brassica oleracea) is a popular garden vegetable. In Iola, Wisconsin, which is in USDA Hardiness Zone 4b, you should direct sow seeds around Tuesday, March 24, 2026.

Your average last frost date is Tuesday, May 5, 2026. Cabbage grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.