When should I plant Komkommer in Zone 4a?

Start Komkommer seeds indoors around Apr 7. Transplant outdoors after May 19. Expect first harvest around Jul 8.

What is the last frost date for Zone 4a?

The average last spring frost date for Zone 4a is May 5. The first fall frost averages Oct 1, giving a 149-day growing season.

Can I grow Komkommer in Zone 4a?

Yes. Komkommer needs 60 days to harvest. Zone 4a has a 149-day growing season, which is sufficient. You can plant up to 4 successions.

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🥒 Kweken van Komkommer in Zone 4a

Zone 4a has cold winters and a moderate growing season. Timing is key for Komkommer in this zone. Laatste vorst: May 5. Eerste vorst: Oct 1.

Planting Calendar

Indoor

Outdoor

Harvest

Apr 7Oct 1

Season: May 5 – Oct 1 (149 dagen) · Succession: plant every 3 weeks (up to 4x)

Zone4a

Laatste vorstMay 5

Eerste vorstOct 1

Seizoen149 dagen

Oogst60 dagen

ZonVolle Zon

When to Plant Komkommer in Zone 4a

Start Seeds Indoors: Apr 7

Start Komkommer seeds indoors around Apr 7 (4 weken voor de laatste vorst). Optimal germination temperature: 85F. Germinates in 3-10 days.

Transplant Outdoors: May 19

Transplant Komkommer seedlings outdoors after May 19. Wait until soil temperature reaches 65F. Space plants at 2/m² (15-20cm afstand). Harden off plants for a week before moving outside.

Harvest: Jul 8

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

Fall Planting: Jul 23

For a fall harvest, plant Komkommer around Jul 23 (10 weeks before first frost).

Begeleidende Beplanting

✅ Dille✅ Goudsbloemen✅ Bonen✅ Erwten✅ Maïs

❌ Aardappels❌ Sterke Kruiden (Salie)

Komkommer in Andere 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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Track Komkommer from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

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