Plant Anywhere›Plant Guides›Korean Small Onion›Zone 13b
Korean Small Onion illustration

Growing Korean Small Onion in Zone 13b

Zone 13b has a year-round growing season. Korean Small Onion can be planted almost any time with proper planning. Last frost: Jan 1. First frost: Dec 31.

Planting Calendar

Outdoor
Harvest
Dec 4Dec 31

Season: Jan 1 – Dec 31 (364 days)

Zone13b
Last FrostJan 1
First FrostDec 31
Season Length364 days
Days to Harvest65
SunFull Sun
Frost ToleranceHeavy
Spacing16/sqft (3" apart)

When to Plant Korean Small Onion in Zone 13b

Harvest: Jan 13

First harvest approximately Jan 13 (~40 days from transplant). Continue harvesting until first frost (Dec 31). Korean Small Onion can overwinter in mild climates for continued harvest.

Fall Planting: Nov 19

For a fall harvest, plant Korean Small Onion around Nov 19 (6 weeks before first frost).

Companion Planting

✅ Carrot✅ Beet✅ Lettuce
❌ Bean❌ Pea

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 Korean Small Onion Garden

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