Cabbage illustration 🥬

🥬 Growing Cabbage in Zone 4a

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

Planting Calendar

Indoor
Outdoor
Harvest
Mar 24Oct 1

Season: May 5 – Oct 1 (149 days)

Zone4a
Last FrostMay 5
First FrostOct 1
Season Length149 days
Days to Harvest80
SunFull Sun
Frost ToleranceModerate
Spacing1/sqft (12" apart)

When to Plant Cabbage in Zone 4a

Start Seeds Indoors: Mar 24

Start Cabbage seeds indoors around Mar 24 (6 weeks before last frost). Optimal germination temperature: 70°F. Germinates in 5–10 days.

Transplant Outdoors: Apr 14

Transplant Cabbage seedlings outdoors after Apr 14. 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 18

First harvest approximately Jun 18 (~65 days from transplant). Continue harvesting until first frost (Oct 1).

Fall Planting: Jul 9

For a fall harvest, plant Cabbage around Jul 9 (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 4a?

Start Cabbage seeds indoors around Mar 24. Transplant outdoors after Apr 14. Expect first harvest around Jun 18.

What is the last frost date for Zone 4a?

The average last spring frost date for Zone 4a is May 5. The first fall frost averages Oct 1, giving a 149-day growing season.

Can I grow Cabbage in Zone 4a?

Yes. Cabbage needs 80 days to harvest. Zone 4a has a 149-day growing season, which is sufficient.

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

The best time to start Cabbage in Zone 4a is Mar. Begin seeds indoors around Mar 24, then transplant outdoors after the last frost date of May 5.

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 4a, expect your first harvest around Jun 18.

Plan Your Cabbage Garden

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

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