When should I plant Squash in Zone 10b?

Start Squash seeds indoors around Dec 31. Transplant outdoors after Feb 11. Expect first harvest around Mar 18.

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 Squash in Zone 10b?

Yes. Squash needs 50 days to harvest. Zone 10b has a 328-day growing season, which is sufficient. You can plant up to 13 successions.

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🥒 Growing Squash in Zone 10b

Zone 10b has a year-round growing season. Squash can be planted almost any time with proper planning. Siste frost: Jan 28. Første frost: Dec 22.

Planting Calendar

Indoor

Outdoor

Harvest

Dec 31Dec 22

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

Sone10b

Siste frostJan 28

Første frostDec 22

Sesong328 dager

Høst50 dager

SolFull Sol

When to Plant Squash in Zone 10b

Start Seeds Indoors: Dec 31

Start Squash seeds indoors around Dec 31 (4 uker før siste frost). Optimal germination temperature: 85F. Germinates in 4-10 days.

Transplant Outdoors: Feb 11

Transplant Squash seedlings outdoors after Feb 11. Wait until soil temperature reaches 65F. Space plants at 1/m² (30cm avstand). Harden off plants for a week before moving outside.

Harvest: Mar 18

First harvest approximately Mar 18 (~35 dager from transplant). Continue harvesting until first frost (Dec 22).

Fall Planting: Oct 13

For a fall harvest, plant Squash around Oct 13 (10 weeks before first frost).

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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

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

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