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🥦 Growing Cauliflower in Zone 7b

Zone 7b has mild winters and a long growing season — good conditions for Cauliflower. Last frost: Apr 10. First frost: Nov 7.

Planting Calendar

Indoor

Outdoor

Harvest

Feb 27Nov 7

Season: Apr 10 – Nov 7 (211 days)

Zone7b

Last FrostApr 10

First FrostNov 7

Season Length211 days

Days to Harvest75

SunFull Sun

Frost ToleranceModerate

Spacing1/sqft (12" apart)

When to Plant Cauliflower in Zone 7b

Start Seeds Indoors: Feb 27

Start Cauliflower seeds indoors around Feb 27 (6 weeks before last frost). Optimal germination temperature: 70°F. Germinates in 5–10 days.

Transplant Outdoors: Mar 27

Transplant Cauliflower seedlings outdoors after Mar 27. Wait until soil temperature reaches 50°F. Space plants at 1/sqft (12" apart). Harden off plants for a week before moving outside.

Harvest: May 26

First harvest approximately May 26 (~60 days from transplant). Continue harvesting until first frost (Nov 7).

Fall Planting: Aug 15

For a fall harvest, plant Cauliflower around Aug 15 (12 weeks before first frost).

Companion Planting

✅ Spinach ✅ Celery ✅ Thyme✅ Beans

❌ Tomatoes❌ Strawberries❌ Peas

Cauliflower in Other Zones

1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13b

Frequently Asked Questions

When should I plant Cauliflower in Zone 7b?

Start Cauliflower seeds indoors around Feb 27. Transplant outdoors after Mar 27. Expect first harvest around May 26.

What is the last frost date for Zone 7b?

The average last spring frost date for Zone 7b is Apr 10. The first fall frost averages Nov 7, giving a 211-day growing season.

Can I grow Cauliflower in Zone 7b?

Yes. Cauliflower needs 75 days to harvest. Zone 7b has a 211-day growing season, which is sufficient.

What is the best month to plant Cauliflower in Zone 7b?

The best time to start Cauliflower in Zone 7b is Feb. Begin seeds indoors around Feb 27, then transplant outdoors after the last frost date of Apr 10.

What companion plants grow well with Cauliflower?

Good companion plants for Cauliflower include Spinach, Celery, Thyme, Beans. Avoid planting Cauliflower near Tomatoes, Strawberries, Peas.

How long does Cauliflower take to harvest?

Cauliflower takes approximately 75 days from planting to harvest. In Zone 7b, expect your first harvest around May 26.

Plan Your Cauliflower Garden

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

Start Free Cauliflower Growing Guide