When to Plant Collard Green in Bird Island, Minnesota (55310)

Location

Bird Island, Minnesota

ZIP Code

55310

USDA Zone

Last Frost

Tuesday, May 5, 2026

📅 Planting Calendar

Start Seeds Indoors Tuesday, March 24, 2026

Transplant Outdoors Tuesday, May 5, 2026

Pro Tip: Start Collard Green seeds indoors 6 weeks before your last frost date, then transplant outdoors around Tuesday, May 5, 2026.

🌿 Plant Details

Scientific Name Brassica oleracea var. viridis

Days to Maturity 60 days

Mature Height 24-36"

Spread 18"

Type Leaf

Fruit Size N/A

☀️ Growing Requirements

☀️

Sun

Full Sun (6+ hours)

💧

Water

Regular (1-1.5 inches/week)

↔️

Spacing

18" apart

🌱

Planting Depth

0.5" deep

Seeds typically germinate in 4-7 days

Ready to Plant Collard Green in Bird Island?

Get your seeds now so they're ready by Tuesday, March 24, 2026.

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🤝 Good Companions

BeetCeleryOnionDill

⚠️ Avoid Planting Near

TomatoStrawberryPepper

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Growing Collard Green in Zone 4b

Collard Green (Brassica oleracea var. viridis) is a popular garden vegetable. In Bird Island, Minnesota, which is in USDA Hardiness Zone 4b, you should start seeds indoors around Tuesday, March 24, 2026.

Your average last frost date is Tuesday, May 5, 2026. Plan to transplant your Collard Green seedlings outdoors around Tuesday, May 5, 2026, about 0 weeks after your last frost date.