When should I plant Gresskar in Zone 11b?

Start Gresskar 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 Gresskar in Zone 11b?

Yes. Gresskar needs 55 days to harvest. Zone 11b has a 350-day growing season, which is sufficient. You can plant up to 14 successions.

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🟡 Growing Gresskar in Zone 11b

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

Planting Calendar

Indoor

Outdoor

Harvest

Dec 18Dec 31

Season: Jan 15 – Dec 31 (350 dager) · Succession: plant every 3 weeks (up to 14x)

Sone11b

Siste frostJan 15

Første frostDec 31

Sesong350 dager

Høst55 dager

SolFull Sol

When to Plant Gresskar in Zone 11b

Start Seeds Indoors: Dec 18

Start Gresskar seeds indoors around Dec 18 (4 uker før siste frost). Optimal germination temperature: 85F. Germinates in 4-10 days.

Transplant Outdoors: Jan 29

Transplant Gresskar seedlings outdoors after Jan 29. Wait until soil temperature reaches 65F. Space plants at 1/m² (30cm avstand). Harden off plants for a week before moving outside.

Harvest: Mar 15

First harvest approximately Mar 15 (~45 dager from transplant). Continue harvesting until first frost (Dec 31).

Gresskar 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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