When should I plant Kesäkurpitsa in Zone 6b?

Start Kesäkurpitsa seeds indoors around Mar 18. Transplant outdoors after Apr 29. Expect first harvest around Jun 3.

What is the last frost date for Zone 6b?

The average last spring frost date for Zone 6b is Apr 15. The first fall frost averages Oct 22, giving a 190-day growing season.

Can I grow Kesäkurpitsa in Zone 6b?

Yes. Kesäkurpitsa needs 50 days to harvest. Zone 6b has a 190-day growing season, which is sufficient. You can plant up to 6 successions.

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🥒 Growing Kesäkurpitsa in Zone 6b

Zone 6b has mild winters and a long growing season -- good conditions for Kesäkurpitsa. Viimeinen halla: Apr 15. Ensimmäinen halla: Oct 22.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 18Oct 22

Season: Apr 15 – Oct 22 (190 päivää) · Succession: plant every 3 weeks (up to 6x)

Vyöhyke6b

Viimeinen hallaApr 15

Ensimmäinen hallaOct 22

Kausi190 päivää

Sato50 päivää

AurinkoTäysi Aurinko

When to Plant Kesäkurpitsa in Zone 6b

Start Seeds Indoors: Mar 18

Start Kesäkurpitsa seeds indoors around Mar 18 (4 viikkoa ennen viimeistä hallaa). Optimal germination temperature: 85F. Germinates in 4-10 days.

Transplant Outdoors: Apr 29

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

Harvest: Jun 3

First harvest approximately Jun 3 (~35 päivää from transplant). Continue harvesting until first frost (Oct 22).

Fall Planting: Aug 13

For a fall harvest, plant Kesäkurpitsa around Aug 13 (10 weeks before first frost).

Kumppaniviljely

✅ Maissi✅ Pavut✅ Krassit✅ Hunajakukka

❌ Perunat

Kesäkurpitsa 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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