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🟡 Growing Squash in Zone 11b
Zone 11b has a year-round growing season. Squash can be planted almost any time with proper planning. Last frost: Jan 15. First frost: Dec 31.
Planting Calendar
Season: Jan 15 – Dec 31 (350 days) · Succession: plant every 3 weeks (up to 14x)
When to Plant Squash in Zone 11b
Start Seeds Indoors: Dec 18
Start Squash seeds indoors around Dec 18 (4 weeks before last frost). Optimal germination temperature: 85°F. Germinates in 4–10 days.
Transplant Outdoors: Jan 29
Transplant Squash seedlings outdoors after Jan 29. Wait until soil temperature reaches 65°F. Space plants at 1/sqft (12" apart). Harden off plants for a week before moving outside.
Harvest: Mar 15
First harvest approximately Mar 15 (~45 days from transplant). Continue harvesting until first frost (Dec 31).
Squash 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 Squash in Zone 11b?
Start Squash seeds indoors around Dec 18. Transplant outdoors after Jan 29. Expect first harvest around Mar 15.
What is the last frost date for Zone 11b?
The average last spring frost date for Zone 11b is Jan 15. The first fall frost averages Dec 31, giving a 350-day growing season.
Can I grow Squash in Zone 11b?
Yes. Squash needs 55 days to harvest. Zone 11b has a 350-day growing season, which is sufficient. You can plant up to 14 successions.
What is the best month to plant Squash in Zone 11b?
The best time to start Squash in Zone 11b is Dec. Begin seeds indoors around Dec 18, then transplant outdoors after the last frost date of Jan 15.
How long does Squash take to harvest?
Squash takes approximately 55 days from planting to harvest. In Zone 11b, expect your first harvest around Mar 15.
Plan Your Squash Garden
Track Squash from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
Start Free Squash Growing Guide