When should I plant Gresskar in Zone 11a?

Start Gresskar 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 Gresskar in Zone 11a?

Yes. Gresskar 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 Gresskar in Zone 11a

Zone 11a has a year-round growing season. Gresskar 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)

Sone11a

Siste frostJan 28

Første frostDec 22

Sesong328 dager

Høst55 dager

SolFull Sol

When to Plant Gresskar in Zone 11a

Start Seeds Indoors: Dec 31

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

Transplant Outdoors: Feb 11

Transplant Gresskar 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 28

First harvest approximately Mar 28 (~45 dager from transplant). Continue harvesting until first frost (Dec 22).

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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