Cabbage illustration 🥬

🥬 Growing Cabbage in Zone 4b

Zone 4b has cold winters and a moderate growing season. Timing is key for Cabbage in this zone. Last frost: May 1. First frost: Oct 5.

Planting Calendar

Indoor
Outdoor
Harvest
Mar 20Oct 5

Season: May 1 – Oct 5 (157 days)

Zone4b
Last FrostMay 1
First FrostOct 5
Season Length157 days
Days to Harvest80
SunFull Sun
Frost ToleranceModerate
Spacing1/sqft (12" apart)

When to Plant Cabbage in Zone 4b

Start Seeds Indoors: Mar 20

Start Cabbage seeds indoors around Mar 20 (6 weeks before last frost). Optimal germination temperature: 70°F. Germinates in 5–10 days.

Transplant Outdoors: Apr 10

Transplant Cabbage seedlings outdoors after Apr 10. Wait until soil temperature reaches 45°F. Space plants at 1/sqft (12" apart). Harden off plants for a week before moving outside.

Harvest: Jun 14

First harvest approximately Jun 14 (~65 days from transplant). Continue harvesting until first frost (Oct 5).

Fall Planting: Jul 13

For a fall harvest, plant Cabbage around Jul 13 (12 weeks before first frost).

Companion Planting

✅ Potatoes✅ Mint✅ Dill✅ Onions✅ Celery
❌ Beans❌ Tomatoes❌ Strawberries

Frequently Asked Questions

When should I plant Cabbage in Zone 4b?

Start Cabbage seeds indoors around Mar 20. Transplant outdoors after Apr 10. Expect first harvest around Jun 14.

What is the last frost date for Zone 4b?

The average last spring frost date for Zone 4b is May 1. The first fall frost averages Oct 5, giving a 157-day growing season.

Can I grow Cabbage in Zone 4b?

Yes. Cabbage needs 80 days to harvest. Zone 4b has a 157-day growing season, which is sufficient.

What is the best month to plant Cabbage in Zone 4b?

The best time to start Cabbage in Zone 4b is Mar. Begin seeds indoors around Mar 20, then transplant outdoors after the last frost date of May 1.

What companion plants grow well with Cabbage?

Good companion plants for Cabbage include Potatoes, Mint, Dill, Onions, Celery. Avoid planting Cabbage near Beans, Tomatoes, Strawberries.

How long does Cabbage take to harvest?

Cabbage takes approximately 80 days from planting to harvest. In Zone 4b, expect your first harvest around Jun 14.

Plan Your Cabbage Garden

Track Cabbage from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

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