When should I plant Gresskar in Zone 10a?

Start Gresskar seeds indoors around Jan 23. Transplant outdoors after Mar 6. Expect first harvest around Apr 20.

What is the last frost date for Zone 10a?

The average last spring frost date for Zone 10a is Feb 20. The first fall frost averages Dec 1, giving a 284-day growing season.

Can I grow Gresskar in Zone 10a?

Yes. Gresskar needs 55 days to harvest. Zone 10a has a 284-day growing season, which is sufficient. You can plant up to 10 successions.

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🟡 Growing Gresskar in Zone 10a

Zone 10a has a year-round growing season. Gresskar can be planted almost any time with proper planning. Siste frost: Feb 20. Første frost: Dec 1.

Planting Calendar

Indoor

Outdoor

Harvest

Jan 23Dec 1

Season: Feb 20 – Dec 1 (284 dager) · Succession: plant every 3 weeks (up to 10x)

Sone10a

Siste frostFeb 20

Første frostDec 1

Sesong284 dager

Høst55 dager

SolFull Sol

When to Plant Gresskar in Zone 10a

Start Seeds Indoors: Jan 23

Start Gresskar seeds indoors around Jan 23 (4 uker før siste frost). Optimal germination temperature: 85F. Germinates in 4-10 days.

Transplant Outdoors: Mar 6

Transplant Gresskar seedlings outdoors after Mar 6. Wait until soil temperature reaches 65F. Space plants at 1/m² (30cm avstand). Harden off plants for a week before moving outside.

Harvest: Apr 20

First harvest approximately Apr 20 (~45 dager from transplant). Continue harvesting until first frost (Dec 1).

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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