When should I plant Kurkku in Zone 5a?

Start Kurkku seeds indoors around Mar 31. Transplant outdoors after May 12. Expect first harvest around Jul 1.

What is the last frost date for Zone 5a?

The average last spring frost date for Zone 5a is Apr 28. The first fall frost averages Oct 8, giving a 163-day growing season.

Can I grow Kurkku in Zone 5a?

Yes. Kurkku needs 60 days to harvest. Zone 5a has a 163-day growing season, which is sufficient. You can plant up to 4 successions.

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🥒 Growing Kurkku in Zone 5a

Zone 5a has cold winters and a moderate growing season. Timing is key for Kurkku in this zone. Viimeinen halla: Apr 28. Ensimmäinen halla: Oct 8.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 31Oct 8

Season: Apr 28 – Oct 8 (163 päivää) · Succession: plant every 3 weeks (up to 4x)

Vyöhyke5a

Viimeinen hallaApr 28

Ensimmäinen hallaOct 8

Kausi163 päivää

Sato60 päivää

AurinkoTäysi Aurinko

When to Plant Kurkku in Zone 5a

Start Seeds Indoors: Mar 31

Start Kurkku seeds indoors around Mar 31 (4 viikkoa ennen viimeistä hallaa). Optimal germination temperature: 85F. Germinates in 3-10 days.

Transplant Outdoors: May 12

Transplant Kurkku seedlings outdoors after May 12. Wait until soil temperature reaches 65F. Space plants at 2/m² (15-20cm välein). Harden off plants for a week before moving outside.

Harvest: Jul 1

First harvest approximately Jul 1 (~50 päivää from transplant). Continue harvesting until first frost (Oct 8).

Fall Planting: Jul 30

For a fall harvest, plant Kurkku around Jul 30 (10 weeks before first frost).

Kumppaniviljely

✅ Tilli✅ Samettikukat✅ Pavut✅ Herneet✅ Maissi

❌ Perunat❌ Voimakkaat Yrtit (Salvia)

Kurkku 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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