Korean Small Onion illustration

Growing Korean Small Onion in Zone 11b

Zone 11b has a year-round growing season. Korean Small Onion can be planted almost any time with proper planning. Last frost: Jan 15. First frost: Dec 31.

Planting Calendar

Outdoor
Harvest
Dec 18Dec 31

Season: Jan 15 – Dec 31 (350 days)

Zone11b
Last FrostJan 15
First FrostDec 31
Season Length350 days
Days to Harvest65
SunFull Sun
Frost ToleranceHeavy
Spacing16/sqft (3" apart)

When to Plant Korean Small Onion in Zone 11b

Harvest: Jan 27

First harvest approximately Jan 27 (~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 11b?

Direct sow Korean Small Onion outdoors around Jan 15. Harvest around Jan 27.

What is the last frost date for Zone 11b?

The average last spring frost date for Zone 11b is Jan 15. The first fall frost averages Dec 31, giving a 350-day growing season.

Can I grow Korean Small Onion in Zone 11b?

Yes. Korean Small Onion needs 65 days to harvest. Zone 11b has a 350-day growing season, which is sufficient.

What is the best month to plant Korean Small Onion in Zone 11b?

The best time to plant Korean Small Onion in Zone 11b is around Jan 15, 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 11b, expect your first harvest around Jan 27.

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