When should I plant Kaali in Zone 4a?

Start Kaali seeds indoors around Mar 24. Transplant outdoors after Apr 14. Expect first harvest around Jun 18.

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 Kaali in Zone 4a?

Yes. Kaali needs 80 days to harvest. Zone 4a has a 149-day growing season, which is sufficient.

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🥬 Growing Kaali in Zone 4a

Zone 4a has cold winters and a moderate growing season. Timing is key for Kaali in this zone. Viimeinen halla: May 5. Ensimmäinen halla: Oct 1.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 24Oct 1

Season: May 5 – Oct 1 (149 päivää)

Vyöhyke4a

Viimeinen hallaMay 5

Ensimmäinen hallaOct 1

Kausi149 päivää

Sato80 päivää

AurinkoTäysi Aurinko

When to Plant Kaali in Zone 4a

Start Seeds Indoors: Mar 24

Start Kaali seeds indoors around Mar 24 (6 viikkoa ennen viimeistä hallaa). Optimal germination temperature: 70F. Germinates in 5-10 days.

Transplant Outdoors: Apr 14

Transplant Kaali seedlings outdoors after Apr 14. Wait until soil temperature reaches 45F. Space plants at 1/m² (30cm välein). Harden off plants for a week before moving outside.

Harvest: Jun 18

First harvest approximately Jun 18 (~65 päivää from transplant). Continue harvesting until first frost (Oct 1).

Fall Planting: Jul 9

For a fall harvest, plant Kaali around Jul 9 (12 weeks before first frost).

Kumppaniviljely

✅ Perunat✅ Minttu ✅ Tilli✅ Sipulit✅ Selleri

❌ Pavut❌ Tomaatit❌ Mansikat

Kaali 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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