When should I plant Kesäkurpitsa in Zone 9a?

Start Kesäkurpitsa seeds indoors around Feb 20. Transplant outdoors after Apr 3. Expect first harvest around May 8.

What is the last frost date for Zone 9a?

The average last spring frost date for Zone 9a is Mar 20. The first fall frost averages Nov 12, giving a 237-day growing season.

Can I grow Kesäkurpitsa in Zone 9a?

Yes. Kesäkurpitsa needs 50 days to harvest. Zone 9a has a 237-day growing season, which is sufficient. You can plant up to 8 successions.

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🥒 Growing Kesäkurpitsa in Zone 9a

Zone 9a has warm winters and an extended growing season -- excellent for heat-loving crops like Kesäkurpitsa. Viimeinen halla: Mar 20. Ensimmäinen halla: Nov 12.

Planting Calendar

Indoor

Outdoor

Harvest

Feb 20Nov 12

Season: Mar 20 – Nov 12 (237 päivää) · Succession: plant every 3 weeks (up to 8x)

Vyöhyke9a

Viimeinen hallaMar 20

Ensimmäinen hallaNov 12

Kausi237 päivää

Sato50 päivää

AurinkoTäysi Aurinko

When to Plant Kesäkurpitsa in Zone 9a

Start Seeds Indoors: Feb 20

Start Kesäkurpitsa seeds indoors around Feb 20 (4 viikkoa ennen viimeistä hallaa). Optimal germination temperature: 85F. Germinates in 4-10 days.

Transplant Outdoors: Apr 3

Transplant Kesäkurpitsa seedlings outdoors after Apr 3. Wait until soil temperature reaches 65F. Space plants at 1/m² (30cm välein). Harden off plants for a week before moving outside.

Harvest: May 8

First harvest approximately May 8 (~35 päivää from transplant). Continue harvesting until first frost (Nov 12).

Fall Planting: Sep 3

For a fall harvest, plant Kesäkurpitsa around Sep 3 (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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