Growing Calabrese Broccoli in Zone 10b
Zone 10b has a year-round growing season. Calabrese Broccoli can be planted almost any time with proper planning. Last frost: Jan 28. First frost: Dec 22.
Planting Calendar
Season: Jan 28 – Dec 22 (328 days)
When to Plant Calabrese Broccoli in Zone 10b
Start Seeds Indoors: Dec 17
Start Calabrese Broccoli seeds indoors around Dec 17 (6 weeks before last frost). Optimal germination temperature: 75°F. Germinates in 5–10 days.
Transplant Outdoors: Feb 11
Transplant Calabrese Broccoli seedlings outdoors after Feb 11. Wait until soil temperature reaches 50°F. Space plants at 18/sqft. Harden off plants for a week before moving outside.
Harvest: Apr 12
First harvest approximately Apr 12 (~60 days from transplant). Continue harvesting until first frost (Dec 22).
Fall Planting: Sep 29
For a fall harvest, plant Calabrese Broccoli around Sep 29 (12 weeks before first frost).
Calabrese Broccoli 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 13bFrequently Asked Questions
When should I plant Calabrese Broccoli in Zone 10b?
Start Calabrese Broccoli seeds indoors around Dec 17. Transplant outdoors after Feb 11. Expect first harvest around Apr 12.
What is the last frost date for Zone 10b?
The average last spring frost date for Zone 10b is Jan 28. The first fall frost averages Dec 22, giving a 328-day growing season.
Can I grow Calabrese Broccoli in Zone 10b?
Yes. Calabrese Broccoli needs 65 days to harvest. Zone 10b has a 328-day growing season, which is sufficient.
What is the best month to plant Calabrese Broccoli in Zone 10b?
The best time to start Calabrese Broccoli in Zone 10b is Dec. Begin seeds indoors around Dec 17, then transplant outdoors after the last frost date of Jan 28.
How long does Calabrese Broccoli take to harvest?
Calabrese Broccoli takes approximately 65 days from planting to harvest. In Zone 10b, expect your first harvest around Apr 12.
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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