When to Plant Brussels Sprout in Bird Island, Minnesota (55310)

Location

Bird Island, Minnesota

ZIP Code

55310

USDA Zone

Last Frost

Tuesday, May 5, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Tuesday, February 10, 2026

Transplant Outdoors

Tuesday, May 5, 2026

Based on last frost Tuesday, May 5, 2026 · Zone 4b

Pro tip: Start Brussels Sprout seeds indoors 12 weeks before your last frost date, then transplant outdoors around Tuesday, May 5, 2026.

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🌿 Plant Details

Scientific Name Brassica oleracea var. gemmifera

Days to Maturity 84 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 1-7 days

Ready to Plant Brussels Sprout in Bird Island?

Get your seeds now so they're ready by Tuesday, February 10, 2026.

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🛠️ Supplies You'll Need

🌱 Seed Starting Trays 🪴 Seed Starting Mix 💡 Grow Lights 🌡️ Heat Mat 🪵 Raised Garden Bed 🌍 Vegetable Garden Soil 🛠️ Hand Trowel Set 🚿 Watering Can

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🌾 Seed Saving Guide

🔴 Difficult

✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Allow some sprouts to open into flowers. Harvest seed pods in summer/fall when dry.

Processing

Thresh dry pods, winnow to separate seeds from chaff.

Seed Viability

Up to 5 years when stored cool, dark, and dry.

Pro Tip

B. oleracea — crosses freely with other cole crops. Biennial nature makes isolation especially challenging.

Frequently Asked Questions

When should I plant Brussels Sprout in Bird Island, Minnesota? +

In Bird Island (Zone 4b), start Brussels Sprout seeds indoors around Tuesday, February 10, 2026 and transplant outdoors around Tuesday, May 5, 2026.

What is the last frost date for Bird Island, Minnesota? +

The average last spring frost date for Bird Island, Minnesota (ZIP 55310) is around Tuesday, May 5, 2026. This is based on NOAA climate normals for USDA Zone 4b.

How long does Brussels Sprout take to grow? +

Brussels Sprout typically matures in about 84 days from transplanting. In Bird Island, that means you can expect harvest around Tuesday, May 5, 2026 plus 84 days.

Should I start Brussels Sprout indoors or direct sow in Minnesota? +

Brussels Sprout should be started indoors 12 weeks before your last frost date. In Bird Island, that means starting around Tuesday, February 10, 2026.

📚 More Brussels Sprout Planting Guides

🗺️

Brussels Sprout in Minnesota

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 4b Brussels Sprout Guide

All cities in your zone · Avg dates

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Growing Brussels Sprout in Zone 4b

Brussels Sprout (Brassica oleracea var. gemmifera) is a popular garden vegetable. In Bird Island, Minnesota, which is in USDA Hardiness Zone 4b, you should start seeds indoors around Tuesday, February 10, 2026.

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