When should I plant Luk in Zone 5b?

Start Luk seeds indoors around Feb 17. Transplant outdoors after Mar 31. Expect first harvest around Jun 19.

What is the last frost date for Zone 5b?

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

Can I grow Luk in Zone 5b?

Yes. Luk needs 110 days to harvest. Zone 5b has a 163-day growing season, which is sufficient.

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🧅 Growing Luk in Zone 5b

Zone 5b has cold winters and a moderate growing season. Timing is key for Luk in this zone. Zadnji mraz: Apr 28. Prvi mraz: Oct 8.

Planting Calendar

Indoor

Outdoor

Harvest

Feb 17Oct 8

Season: Apr 28 – Oct 8 (163 dana)

Zona5b

Zadnji mrazApr 28

Prvi mrazOct 8

Sezona163 dana

Berba110 dana

SuncePuno Sunce

When to Plant Luk in Zone 5b

Start Seeds Indoors: Feb 17

Start Luk seeds indoors around Feb 17 (10 tjedana prije zadnjeg mraza). Optimal germination temperature: 70F. Germinates in 7-14 days.

Transplant Outdoors: Mar 31

Transplant Luk seedlings outdoors after Mar 31. Wait until soil temperature reaches 45F. Space plants at 9/m² (10cm razmak). Harden off plants for a week before moving outside.

Harvest: Jun 19

First harvest approximately Jun 19 (~80 dana from transplant). Continue harvesting until first frost (Oct 8).

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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