When should I plant Kelj in Zone 4a?

Start Kelj seeds indoors around Mar 24. Transplant outdoors after Apr 7. Expect first harvest around May 22.

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 Kelj in Zone 4a?

Yes. Kelj needs 60 days to harvest. Zone 4a has a 149-day growing season, which is sufficient.

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🥬 Growing Kelj in Zone 4a

Zone 4a has cold winters and a moderate growing season. Timing is key for Kelj in this zone. Zadnji mraz: May 5. Prvi mraz: Oct 1.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 24Oct 1

Season: May 5 – Oct 1 (149 dana)

Zona4a

Zadnji mrazMay 5

Prvi mrazOct 1

Sezona149 dana

Berba60 dana

SuncePolusjene

When to Plant Kelj in Zone 4a

Start Seeds Indoors: Mar 24

Start Kelj seeds indoors around Mar 24 (6 tjedana prije zadnjeg mraza). Optimal germination temperature: 65F. Germinates in 5-10 days.

Transplant Outdoors: Apr 7

Transplant Kelj seedlings outdoors after Apr 7. Wait until soil temperature reaches 40F. Space plants at 1/m² (30cm razmak). Harden off plants for a week before moving outside.

Harvest: May 22

First harvest approximately May 22 (~45 dana from transplant). Continue harvesting until first frost (Oct 1). Kelj can overwinter in mild climates for continued harvest.

Fall Planting: Aug 6

For a fall harvest, plant Kelj around Aug 6 (8 weeks before first frost).

Sadnja u Društvu

✅ Kadulja ✅ Kopar✅ Lukovi✅ Cikle✅ Krumpiri

❌ Jagode

Kelj 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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