When to Plant Brussels Sprout in Macedonia, Iowa (51549)

Location

Macedonia, Iowa

ZIP Code

51549

USDA Zone

Last Frost

Saturday, April 25, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Saturday, January 31, 2026

Transplant Outdoors

Saturday, April 25, 2026

Based on last frost Saturday, April 25, 2026 · Zone 5b

Pro tip: Start Brussels Sprout seeds indoors 12 weeks before your last frost date, then transplant outdoors around Saturday, April 25, 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 Macedonia?

Get your seeds now so they're ready by Saturday, January 31, 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 Macedonia, Iowa? +

In Macedonia (Zone 5b), start Brussels Sprout seeds indoors around Saturday, January 31, 2026 and transplant outdoors around Saturday, April 25, 2026.

What is the last frost date for Macedonia, Iowa? +

The average last spring frost date for Macedonia, Iowa (ZIP 51549) is around Saturday, April 25, 2026. This is based on NOAA climate normals for USDA Zone 5b.

How long does Brussels Sprout take to grow? +

Brussels Sprout typically matures in about 84 days from transplanting. In Macedonia, that means you can expect harvest around Saturday, April 25, 2026 plus 84 days.

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

Brussels Sprout should be started indoors 12 weeks before your last frost date. In Macedonia, that means starting around Saturday, January 31, 2026.

📚 More Brussels Sprout Planting Guides

🗺️

Brussels Sprout in Iowa

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 5b Brussels Sprout Guide

All cities in your zone · Avg dates

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Growing Brussels Sprout in Zone 5b

Brussels Sprout (Brassica oleracea var. gemmifera) is a popular garden vegetable. In Macedonia, Iowa, which is in USDA Hardiness Zone 5b, you should start seeds indoors around Saturday, January 31, 2026.

Your average last frost date is Saturday, April 25, 2026. Plan to transplant your Brussels Sprout seedlings outdoors around Saturday, April 25, 2026, about 0 weeks after your last frost date.