When should I plant Korean Small Onion in Zone 9b?

Direct sow Korean Small Onion outdoors around Mar 10. Expect first harvest around Mar 22.

What is the last frost date for Zone 9b?

The average last spring frost date for Zone 9b is Mar 10. The first fall frost averages Nov 15, giving a 250-day growing season.

Can I grow Korean Small Onion in Zone 9b?

Yes. Korean Small Onion needs 65 days to harvest. Zone 9b has a 250-day growing season, which is sufficient.

Growing Korean Small Onion in Zone 9b

Zone 9b has warm winters and an extended growing season -- excellent for heat-loving crops like Korean Small Onion. น้ำค้างแข็งครั้งสุดท้าย: Mar 10. น้ำค้างแข็งครั้งแรก: Nov 15.

Planting Calendar

Outdoor

Harvest

Feb 10Nov 15

Season: Mar 10 – Nov 15 (250 วัน)

โซน9b

น้ำค้างแข็งครั้งสุดท้ายMar 10

น้ำค้างแข็งครั้งแรกNov 15

ฤดูกาล250 วัน

เก็บเกี่ยว65 วัน

แสงแดดแดดเต็มที่

When to Plant Korean Small Onion in Zone 9b

Harvest: Mar 22

First harvest approximately Mar 22 (~40 วัน from transplant). Continue harvesting until first frost (Nov 15). Korean Small Onion can overwinter in mild climates for continued harvest.

Fall Planting: Oct 4

For a fall harvest, plant Korean Small Onion around Oct 4 (6 weeks before first frost).

การปลูกพืชคู่กัน

✅ แครอท ✅ บีทรูท ✅ ผักกาด

❌ Bean❌ ถั่วลันเตา

Korean Small Onion 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 Korean Small Onion

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

Start Free Korean Small Onion Growing Guide