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.

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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

Indoor

Outdoor

Harvest

Dec 31Dec 22

Season: Jan 28 – Dec 22 (328 days) · Succession: plant every 3 weeks (up to 13x)

Zone11a

Last FrostJan 28

First FrostDec 22

Season Length328 days

Days to Harvest55

SunFull Sun

Frost ToleranceNone

Spacing1/sqft (12" apart)

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 13b

Plan Your Squash Garden

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

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