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When to Plant Cabbage in Readfield, Wisconsin (54969)

Location

Readfield, Wisconsin

ZIP Code

54969

USDA Zone

5a

Last Frost

Sunday, May 10, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Sunday, March 29, 2026

Transplant Outdoors

Sunday, May 10, 2026

Based on last frost Sunday, May 10, 2026 · Zone 5a

Pro tip: Start Cabbage seeds indoors 6 weeks before your last frost date, then transplant outdoors around Sunday, May 10, 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 Readfield?

Get your seeds now so they're ready by Sunday, March 29, 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

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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 Readfield, Wisconsin? +

In Readfield (Zone 5a), start Cabbage seeds indoors around Sunday, March 29, 2026 and transplant outdoors around Sunday, May 10, 2026.

What is the last frost date for Readfield, Wisconsin? +

The average last spring frost date for Readfield, Wisconsin (ZIP 54969) is around Sunday, May 10, 2026. This is based on NOAA climate normals for USDA Zone 5a.

How long does Cabbage take to grow? +

Cabbage typically matures in about 70 days from transplanting. In Readfield, that means you can expect harvest around Sunday, May 10, 2026 plus 70 days.

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

Cabbage should be started indoors 6 weeks before your last frost date. In Readfield, that means starting around Sunday, March 29, 2026.

Other Plants for Readfield

Growing Cabbage in Zone 5a

Cabbage (Brassica oleracea var. capitata) is a popular garden vegetable. In Readfield, Wisconsin, which is in USDA Hardiness Zone 5a, you should start seeds indoors around Sunday, March 29, 2026.

Your average last frost date is Sunday, May 10, 2026. Plan to transplant your Cabbage seedlings outdoors around Sunday, May 10, 2026, about 0 weeks after your last frost date.