When should I plant Gresskar in Zone 2a?

Start Gresskar seeds indoors around Apr 17. Transplant outdoors after May 29. Expect first harvest around Jul 13.

What is the last frost date for Zone 2a?

The average last spring frost date for Zone 2a is May 15. The first fall frost averages Sep 15, giving a 123-day growing season.

Can I grow Gresskar in Zone 2a?

Yes. Gresskar needs 55 days to harvest. Zone 2a has a 123-day growing season, which is sufficient. You can plant up to 3 successions.

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🟡 Growing Gresskar in Zone 2a

Zone 2a has harsh winters and a short growing season. Start Gresskar early indoors to maximize your harvest window. Siste frost: May 15. Første frost: Sep 15.

Planting Calendar

Indoor

Outdoor

Harvest

Apr 17Sep 15

Season: May 15 – Sep 15 (123 dager) · Succession: plant every 3 weeks (up to 3x)

Sone2a

Siste frostMay 15

Første frostSep 15

Sesong123 dager

Høst55 dager

SolFull Sol

When to Plant Gresskar in Zone 2a

Start Seeds Indoors: Apr 17

Start Gresskar seeds indoors around Apr 17 (4 uker før siste frost). Optimal germination temperature: 85F. Germinates in 4-10 days.

Transplant Outdoors: May 29

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

Harvest: Jul 13

First harvest approximately Jul 13 (~45 dager from transplant). Continue harvesting until first frost (Sep 15).

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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