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🟡 Growing Squash in Zone 11a
Zone 11a has a year-round growing season. Squash 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) · Succession: plant every 3 weeks (up to 13x)
When to Plant Squash in Zone 11a
Start Seeds Indoors: Dec 31
Start Squash seeds indoors around Dec 31 (4 weeks before last frost). Optimal germination temperature: 85°F. Germinates in 4–10 days.
Transplant Outdoors: Feb 11
Transplant Squash seedlings outdoors after Feb 11. 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 28
First harvest approximately Mar 28 (~45 days from transplant). Continue harvesting until first frost (Dec 22).
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 11a?
Start Squash seeds indoors around Dec 31. Transplant outdoors after Feb 11. Expect first harvest around Mar 28.
What is the last frost date for Zone 11a?
The average last spring frost date for Zone 11a is Jan 28. The first fall frost averages Dec 22, giving a 328-day growing season.
Can I grow Squash in Zone 11a?
Yes. Squash needs 55 days to harvest. Zone 11a has a 328-day growing season, which is sufficient. You can plant up to 13 successions.
What is the best month to plant Squash in Zone 11a?
The best time to start Squash in Zone 11a is Dec. Begin seeds indoors around Dec 31, then transplant outdoors after the last frost date of Jan 28.
How long does Squash take to harvest?
Squash takes approximately 55 days from planting to harvest. In Zone 11a, expect your first harvest around Mar 28.
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