When should I plant Lehtikaali in Zone 5a?

Start Lehtikaali seeds indoors around Mar 17. Transplant outdoors after Mar 31. Expect first harvest around May 15.

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 Lehtikaali in Zone 5a?

Yes. Lehtikaali needs 60 days to harvest. Zone 5a has a 163-day growing season, which is sufficient.

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🥬 Growing Lehtikaali in Zone 5a

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

Planting Calendar

Indoor

Outdoor

Harvest

Mar 17Oct 8

Season: Apr 28 – Oct 8 (163 päivää)

Vyöhyke5a

Viimeinen hallaApr 28

Ensimmäinen hallaOct 8

Kausi163 päivää

Sato60 päivää

AurinkoPuolivarjo

When to Plant Lehtikaali in Zone 5a

Start Seeds Indoors: Mar 17

Start Lehtikaali seeds indoors around Mar 17 (6 viikkoa ennen viimeistä hallaa). Optimal germination temperature: 65F. Germinates in 5-10 days.

Transplant Outdoors: Mar 31

Transplant Lehtikaali seedlings outdoors after Mar 31. Wait until soil temperature reaches 40F. Space plants at 1/m² (30cm välein). Harden off plants for a week before moving outside.

Harvest: May 15

First harvest approximately May 15 (~45 päivää from transplant). Continue harvesting until first frost (Oct 8). Lehtikaali can overwinter in mild climates for continued harvest.

Fall Planting: Aug 13

For a fall harvest, plant Lehtikaali around Aug 13 (8 weeks before first frost).

Kumppaniviljely

✅ Salvia ✅ Tilli✅ Sipulit✅ Punajuuret✅ Perunat

❌ Mansikat

Lehtikaali 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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