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When to Plant Cabbage in Britton, South Dakota (57430)

Location

Britton, South Dakota

ZIP Code

57430

USDA Zone

4a

Last Frost

Friday, May 15, 2026

πŸ“… Planting Calendar

Start Seeds Indoors Friday, April 3, 2026
Transplant Outdoors Friday, May 15, 2026

Pro Tip: Start Cabbage seeds indoors 6 weeks before your last frost date, then transplant outdoors around Friday, May 15, 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)

β˜€οΈ Growing Requirements

β˜€οΈ

Sun

Full Sun to Partial Shade

πŸ’§

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 Britton?

Get your seeds now so they're ready by Friday, April 3, 2026.

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🀝 Good Companions

CeleryDillOnionPotatoChamomile

⚠️ Avoid Planting Near

StrawberryTomatoGrape
See the full companion planting guide for Cabbage β†’

πŸ› οΈ 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

πŸ”΄ Difficult
βœ… Open-pollinated β€” 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 β€” crosses with broccoli, kale, Brussels sprouts, cauliflower. Requires 1000-foot isolation.

πŸͺ΄

Raised Bed Planting Guides

A 4Γ—8 bed fits 14 plants of Cabbage. See plant counts, spacing grids, and companion pairings for every bed size β†’

Frequently Asked Questions

When should I plant Cabbage in Britton, South Dakota? +

In Britton (Zone 4a), start Cabbage seeds indoors around Friday, April 3, 2026 and transplant outdoors around Friday, May 15, 2026.

What is the last frost date for Britton, South Dakota? +

The average last spring frost date for Britton, South Dakota (ZIP 57430) is around Friday, May 15, 2026. This is based on NOAA climate normals for USDA Zone 4a.

How long does Cabbage take to grow? +

Cabbage typically matures in about 70 days from transplanting. In Britton, that means you can expect harvest around Friday, May 15, 2026 plus 70 days.

Should I start Cabbage indoors or direct sow in South Dakota? +

Cabbage should be started indoors 6 weeks before your last frost date. In Britton, that means starting around Friday, April 3, 2026.

Other Plants for Britton

Growing Cabbage in Zone 4a

Cabbage (Brassica oleracea var. capitata) is a popular garden vegetable. In Britton, South Dakota, which is in USDA Hardiness Zone 4a, you should start seeds indoors around Friday, April 3, 2026.

Your average last frost date is Friday, May 15, 2026. Plan to transplant your Cabbage seedlings outdoors around Friday, May 15, 2026, about 0 weeks after your last frost date.