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

❌ Bean❌ Pea

Frequently Asked Questions

When should I plant Korean Small Onion in Zone 13b?

Direct sow Korean Small Onion outdoors around Jan 1. Harvest around Jan 13.

What is the last frost date for Zone 13b?

The average last spring frost date for Zone 13b is Jan 1. The first fall frost averages Dec 31, giving a 364-day growing season.

Can I grow Korean Small Onion in Zone 13b?

Yes. Korean Small Onion needs 65 days to harvest. Zone 13b has a 364-day growing season, which is sufficient.

What is the best month to plant Korean Small Onion in Zone 13b?

The best time to plant Korean Small Onion in Zone 13b is around Jan 1, when soil temperatures are suitable and frost risk has passed.

What companion plants grow well with Korean Small Onion?

Good companion plants for Korean Small Onion include Carrot, Beet, Lettuce. Avoid planting Korean Small Onion near Bean, Pea.

How long does Korean Small Onion take to harvest?

Korean Small Onion takes approximately 65 days from planting to harvest. In Zone 13b, expect your first harvest around Jan 13.

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