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🎃 Growing Pumpkin in Zone 11b

Zone 11b has a year-round growing season. Pumpkin can be planted almost any time with proper planning. Last frost: Jan 15. First frost: Dec 31.

Planting Calendar

Indoor

Outdoor

Harvest

Dec 18Dec 31

Season: Jan 15 – Dec 31 (350 days)

Zone11b

Last FrostJan 15

First FrostDec 31

Season Length350 days

Days to Harvest100

SunFull Sun

Frost ToleranceNone

Spacing1/sqft (12" apart)

When to Plant Pumpkin in Zone 11b

Start Seeds Indoors: Dec 18

Start Pumpkin seeds indoors around Dec 18 (4 weeks before last frost). Optimal germination temperature: 85°F. Germinates in 5–10 days.

Transplant Outdoors: Jan 29

Transplant Pumpkin 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: May 4

First harvest approximately May 4 (~95 days from transplant). Continue harvesting until first frost (Dec 31).

Companion Planting

✅ Marigolds✅ Corn✅ Nasturtiums✅ Oregano

❌ Potatoes

Pumpkin 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

Frequently Asked Questions

When should I plant Pumpkin in Zone 11b?

Start Pumpkin seeds indoors around Dec 18. Transplant outdoors after Jan 29. Expect first harvest around May 4.

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 Pumpkin in Zone 11b?

Yes. Pumpkin needs 100 days to harvest. Zone 11b has a 350-day growing season, which is sufficient.

What is the best month to plant Pumpkin in Zone 11b?

The best time to start Pumpkin in Zone 11b is Dec. Begin seeds indoors around Dec 18, then transplant outdoors after the last frost date of Jan 15.

What companion plants grow well with Pumpkin?

Good companion plants for Pumpkin include Marigolds, Corn, Nasturtiums, Oregano. Avoid planting Pumpkin near Potatoes.

How long does Pumpkin take to harvest?

Pumpkin takes approximately 100 days from planting to harvest. In Zone 11b, expect your first harvest around May 4.

Plan Your Pumpkin Garden

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

Start Free Pumpkin Growing Guide