When should I plant Luk in Zone 4a?

Start Luk seeds indoors around Feb 24. Transplant outdoors after Apr 7. Expect first harvest around Jun 26.

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 Luk in Zone 4a?

Yes. Luk needs 110 days to harvest. Zone 4a has a 149-day growing season, which is sufficient.

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🧅 Growing Luk in Zone 4a

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

Planting Calendar

Indoor

Outdoor

Harvest

Feb 24Oct 1

Season: May 5 – Oct 1 (149 dana)

Zona4a

Zadnji mrazMay 5

Prvi mrazOct 1

Sezona149 dana

Berba110 dana

SuncePuno Sunce

When to Plant Luk in Zone 4a

Start Seeds Indoors: Feb 24

Start Luk seeds indoors around Feb 24 (10 tjedana prije zadnjeg mraza). Optimal germination temperature: 70F. Germinates in 7-14 days.

Transplant Outdoors: Apr 7

Transplant Luk seedlings outdoors after Apr 7. Wait until soil temperature reaches 45F. Space plants at 9/m² (10cm razmak). Harden off plants for a week before moving outside.

Harvest: Jun 26

First harvest approximately Jun 26 (~80 dana from transplant). Continue harvesting until first frost (Oct 1).

Sadnja u Društvu

✅ Jagode✅ Kupus✅ Cikle✅ Salata✅ Mrkve✅ Rajčice

❌ Grah❌ Grašak

Luk 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

Plan Your Garden Luk

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