Calabrese Broccoli illustration

Growing Calabrese Broccoli in Zone 13b

Zone 13b has a year-round growing season. Calabrese Broccoli can be planted almost any time with proper planning. Last frost: Jan 1. First frost: Dec 31.

Planting Calendar

Indoor
Outdoor
Harvest
Nov 20Dec 31

Season: Jan 1 – Dec 31 (364 days)

Zone13b
Last FrostJan 1
First FrostDec 31
Season Length364 days
Days to Harvest65
SunFull Sun
Frost ToleranceHeavy
Spacing18/sqft

When to Plant Calabrese Broccoli in Zone 13b

Start Seeds Indoors: Nov 20

Start Calabrese Broccoli seeds indoors around Nov 20 (6 weeks before last frost). Optimal germination temperature: 75°F. Germinates in 5–10 days.

Transplant Outdoors: Jan 15

Transplant Calabrese Broccoli seedlings outdoors after Jan 15. Wait until soil temperature reaches 50°F. Space plants at 18/sqft. Harden off plants for a week before moving outside.

Harvest: Mar 16

First harvest approximately Mar 16 (~60 days from transplant). Continue harvesting until first frost (Dec 31).

Fall Planting: Oct 8

For a fall harvest, plant Calabrese Broccoli around Oct 8 (12 weeks before first frost).

Frequently Asked Questions

When should I plant Calabrese Broccoli in Zone 13b?

Start Calabrese Broccoli seeds indoors around Nov 20. Transplant outdoors after Jan 15. Expect first harvest around Mar 16.

What is the last frost date for Zone 13b?

The average last spring frost date for Zone 13b is Jan 1. The first fall frost averages Dec 31, giving a 364-day growing season.

Can I grow Calabrese Broccoli in Zone 13b?

Yes. Calabrese Broccoli needs 65 days to harvest. Zone 13b has a 364-day growing season, which is sufficient.

What is the best month to plant Calabrese Broccoli in Zone 13b?

The best time to start Calabrese Broccoli in Zone 13b is Nov. Begin seeds indoors around Nov 20, then transplant outdoors after the last frost date of Jan 1.

How long does Calabrese Broccoli take to harvest?

Calabrese Broccoli takes approximately 65 days from planting to harvest. In Zone 13b, expect your first harvest around Mar 16.

Plan Your Calabrese Broccoli Garden

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

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