When should I plant Lehtikaali in Zone 6b?

Start Lehtikaali seeds indoors around Mar 4. Transplant outdoors after Mar 18. Expect first harvest around May 2.

What is the last frost date for Zone 6b?

The average last spring frost date for Zone 6b is Apr 15. The first fall frost averages Oct 22, giving a 190-day growing season.

Can I grow Lehtikaali in Zone 6b?

Yes. Lehtikaali needs 60 days to harvest. Zone 6b has a 190-day growing season, which is sufficient.

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🥬 Growing Lehtikaali in Zone 6b

Zone 6b has mild winters and a long growing season -- good conditions for Lehtikaali. Viimeinen halla: Apr 15. Ensimmäinen halla: Oct 22.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 4Oct 22

Season: Apr 15 – Oct 22 (190 päivää)

Vyöhyke6b

Viimeinen hallaApr 15

Ensimmäinen hallaOct 22

Kausi190 päivää

Sato60 päivää

AurinkoPuolivarjo

When to Plant Lehtikaali in Zone 6b

Start Seeds Indoors: Mar 4

Start Lehtikaali seeds indoors around Mar 4 (6 viikkoa ennen viimeistä hallaa). Optimal germination temperature: 65F. Germinates in 5-10 days.

Transplant Outdoors: Mar 18

Transplant Lehtikaali seedlings outdoors after Mar 18. Wait until soil temperature reaches 40F. Space plants at 1/m² (30cm välein). Harden off plants for a week before moving outside.

Harvest: May 2

First harvest approximately May 2 (~45 päivää from transplant). Continue harvesting until first frost (Oct 22). Lehtikaali can overwinter in mild climates for continued harvest.

Fall Planting: Aug 27

For a fall harvest, plant Lehtikaali around Aug 27 (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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