When should I plant Kaali in Zone 4b?

Start Kaali seeds indoors around Mar 20. Transplant outdoors after Apr 10. Expect first harvest around Jun 14.

What is the last frost date for Zone 4b?

The average last spring frost date for Zone 4b is May 1. The first fall frost averages Oct 5, giving a 157-day growing season.

Can I grow Kaali in Zone 4b?

Yes. Kaali needs 80 days to harvest. Zone 4b has a 157-day growing season, which is sufficient.

🥬

🥬 Growing Kaali in Zone 4b

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

Planting Calendar

Indoor

Outdoor

Harvest

Mar 20Oct 5

Season: May 1 – Oct 5 (157 päivää)

Vyöhyke4b

Viimeinen hallaMay 1

Ensimmäinen hallaOct 5

Kausi157 päivää

Sato80 päivää

AurinkoTäysi Aurinko

When to Plant Kaali in Zone 4b

Start Seeds Indoors: Mar 20

Start Kaali seeds indoors around Mar 20 (6 viikkoa ennen viimeistä hallaa). Optimal germination temperature: 70F. Germinates in 5-10 days.

Transplant Outdoors: Apr 10

Transplant Kaali seedlings outdoors after Apr 10. Wait until soil temperature reaches 45F. Space plants at 1/m² (30cm välein). Harden off plants for a week before moving outside.

Harvest: Jun 14

First harvest approximately Jun 14 (~65 päivää from transplant). Continue harvesting until first frost (Oct 5).

Fall Planting: Jul 13

For a fall harvest, plant Kaali around Jul 13 (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

Plan Your Garden Kaali

Track Kaali from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

Start Free Kaali Growing Guide