Growing Korean Small Onion in Zone 7a
Zone 7a has mild winters and a long growing season — good conditions for Korean Small Onion. Last frost: Apr 15. First frost: Oct 22.
Planting Calendar
Mar 18Oct 22
Season: Apr 15 – Oct 22 (190 days)
Zone7a
Last FrostApr 15
First FrostOct 22
Season Length190 days
Days to Harvest65
SunFull Sun
Frost ToleranceHeavy
Spacing16/sqft (3" apart)
When to Plant Korean Small Onion in Zone 7a
Harvest: Apr 27
First harvest approximately Apr 27 (~40 days from transplant). Continue harvesting until first frost (Oct 22). Korean Small Onion can overwinter in mild climates for continued harvest.
Fall Planting: Sep 10
For a fall harvest, plant Korean Small Onion around Sep 10 (6 weeks before first frost).
Companion Planting
❌ 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 13bPlan Your Korean Small Onion Garden
Track Korean Small Onion from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
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