When should I plant Kucai in Zone 4a?

Start Kucai seeds indoors around Mar 10. Transplant outdoors after Apr 21. Expect first harvest around Jun 20.

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 Kucai in Zone 4a?

Yes. Kucai needs 60 days to harvest. Zone 4a has a 149-day growing season, which is sufficient.

🌱

🌱 Growing Kucai in Zone 4a

Zone 4a has cold winters and a moderate growing season. Timing is key for Kucai in this zone. Embun beku terakhir: May 5. Embun beku pertama: Oct 1.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 10Oct 1

Season: May 5 – Oct 1 (149 hari)

Zona4a

Embun beku terakhirMay 5

Embun beku pertamaOct 1

Musim149 hari

Panen60 hari

MatahariMatahari Penuh

When to Plant Kucai in Zone 4a

Start Seeds Indoors: Mar 10

Start Kucai seeds indoors around Mar 10 (8 minggu sebelum embun beku terakhir). Optimal germination temperature: 65F. Germinates in 7-14 days.

Transplant Outdoors: Apr 21

Transplant Kucai seedlings outdoors after Apr 21. Wait until soil temperature reaches 45F. Space plants at 16/m² (8cm jarak). Harden off plants for a week before moving outside.

Harvest: Jun 20

First harvest approximately Jun 20 (~60 hari from transplant). Continue harvesting until first frost (Oct 1). Kucai can overwinter in mild climates for continued harvest.

Tanaman Pendamping

✅ Wortel✅ Tomat✅ Grapes✅ Mawar

❌ Kacang❌ Kacang Polong

Kucai 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 Kucai

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

Start Free Kucai Growing Guide