When to Plant Cabbage in Calumet, Michigan (49913)

Location

Calumet, Michigan

ZIP Code

49913

USDA Zone

Last Frost

Saturday, April 25, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Saturday, March 14, 2026

Transplant Outdoors

Saturday, April 25, 2026

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

Pro tip: Start Cabbage seeds indoors 6 weeks before your last frost date, then transplant outdoors around Saturday, April 25, 2026.

🌿 Plant Details

Scientific Name Brassica oleracea var. capitata

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

Ready to Plant Cabbage in Calumet?

Get your seeds now so they're ready by Saturday, March 14, 2026.

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🤝 Good Companions

CeleryDillOnionPotatoChamomile

⚠️ Avoid Planting Near

StrawberryTomatoGrape

🤝

Full Companion Planting Guide for Cabbage

See which plants help Cabbage thrive, which to keep away, and raised bed layout tips →

🛠️ 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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Common Cabbage Varieties

Popular cultivars to look for at your local nursery or seed supplier.

Golden Acre

green 63d

Small, early-maturing green cabbage ideal for home gardens; ready in 63 days.

Red Acre

red 76d

Compact red cabbage with dense heads and excellent color; great for slaws and pickling.

Savoy Perfection

savoy 90d

Crinkled-leaf savoy cabbage with milder, more complex flavor than smooth-leaf types.

January King

winter 200d

Cold-hardy heirloom with beautiful blue-green leaves tinged purple; survives heavy frost.

🌾 Seed Saving Guide

🔴 Difficult

✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Cut an X in the head to allow seed stalk to push through. Harvest seed pods when tan.

Processing

Thresh dried seed stalks, winnow to separate seeds.

Seed Viability

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

Pro Tip

B. oleracea — crosses with broccoli, kale, Brussels sprouts, cauliflower. Requires 1000-foot isolation.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 14 plants of Cabbage. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Cabbage in Calumet, Michigan? +

In Calumet (Zone 5b), start Cabbage seeds indoors around Saturday, March 14, 2026 and transplant outdoors around Saturday, April 25, 2026.

What is the last frost date for Calumet, Michigan? +

The average last spring frost date for Calumet, Michigan (ZIP 49913) is around Saturday, April 25, 2026. This is based on NOAA climate normals for USDA Zone 5b.

How long does Cabbage take to grow? +

Cabbage typically matures in about 70 days from transplanting. In Calumet, that means you can expect harvest around Saturday, April 25, 2026 plus 70 days.

Should I start Cabbage indoors or direct sow in Michigan? +

Cabbage should be started indoors 6 weeks before your last frost date. In Calumet, that means starting around Saturday, March 14, 2026.

📚 More Cabbage Planting Guides

🗺️

Cabbage in Michigan

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 5b Cabbage Guide

All cities in your zone · Avg dates

→

Other Plants for Calumet

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Growing Cabbage in Zone 5b

Cabbage (Brassica oleracea var. capitata) is a popular garden vegetable. In Calumet, Michigan, which is in USDA Hardiness Zone 5b, you should start seeds indoors around Saturday, March 14, 2026.

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