Korean Small Onion illustration

Growing Korean Small Onion in Zone 8a

Zone 8a has warm winters and an extended growing season — excellent for heat-loving crops like Korean Small Onion. Last frost: Apr 5. First frost: Oct 28.

Planting Calendar

Outdoor
Harvest
Mar 8Oct 28

Season: Apr 5 – Oct 28 (206 days)

Zone8a
Last FrostApr 5
First FrostOct 28
Season Length206 days
Days to Harvest65
SunFull Sun
Frost ToleranceHeavy
Spacing16/sqft (3" apart)

When to Plant Korean Small Onion in Zone 8a

Harvest: Apr 17

First harvest approximately Apr 17 (~40 days from transplant). Continue harvesting until first frost (Oct 28). Korean Small Onion can overwinter in mild climates for continued harvest.

Fall Planting: Sep 16

For a fall harvest, plant Korean Small Onion around Sep 16 (6 weeks before first frost).

Companion Planting

❌ Bean❌ Pea

Frequently Asked Questions

When should I plant Korean Small Onion in Zone 8a?

Direct sow Korean Small Onion outdoors around Apr 5. Harvest around Apr 17.

What is the last frost date for Zone 8a?

The average last spring frost date for Zone 8a is Apr 5. The first fall frost averages Oct 28, giving a 206-day growing season.

Can I grow Korean Small Onion in Zone 8a?

Yes. Korean Small Onion needs 65 days to harvest. Zone 8a has a 206-day growing season, which is sufficient.

What is the best month to plant Korean Small Onion in Zone 8a?

The best time to plant Korean Small Onion in Zone 8a is around Apr 5, 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 8a, expect your first harvest around Apr 17.

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