Korean Small Onion Growing Guide
Amaryllidaceae family
Days to Harvest65 days
SunlightFull Sun
Frost ToleranceHeavy
Spacing16/sqft (3" apart)
Germination7-14 days
HardinessHardy
Germ. Temp65°F
Companion Planting
Growth Stages
- Seedling / Sprouting
- Leaf Growth / Bulbing
- Mature / Harvest Ready
Planting Dates by Zone
| Zone | Start Indoors | Transplant | Direct Sow | Harvest |
|---|---|---|---|---|
| Zone 1a | — | Apr 27 | — | Jun 6 |
| Zone 1b | — | Apr 27 | — | Jun 6 |
| Zone 2a | — | Apr 17 | — | May 27 |
| Zone 2b | — | Apr 27 | — | Jun 6 |
| Zone 3a | — | Apr 24 | — | Jun 3 |
| Zone 3b | — | Apr 17 | — | May 27 |
| Zone 4a | — | Apr 7 | — | May 17 |
| Zone 4b | — | Apr 3 | — | May 13 |
| Zone 5a | — | Mar 31 | — | May 10 |
| Zone 5b | — | Mar 31 | — | May 10 |
| Zone 6a | — | Mar 31 | — | May 10 |
| Zone 6b | — | Mar 18 | — | Apr 27 |
| Zone 7a | — | Mar 18 | — | Apr 27 |
| Zone 7b | — | Mar 13 | — | Apr 22 |
| Zone 8a | — | Mar 8 | — | Apr 17 |
| Zone 8b | — | Feb 22 | — | Apr 3 |
| Zone 9a | — | Feb 20 | — | Apr 1 |
| Zone 9b | — | Feb 10 | — | Mar 22 |
| Zone 10a | — | Jan 23 | — | Mar 4 |
| Zone 10b | — | Dec 31 | — | Feb 9 |
| Zone 11a | — | Dec 31 | — | Feb 9 |
| Zone 11b | — | Dec 18 | — | Jan 27 |
| Zone 12a | — | Dec 4 | — | Jan 13 |
| Zone 12b | — | Dec 4 | — | Jan 13 |
| Zone 13a | — | Dec 4 | — | Jan 13 |
| Zone 13b | — | Dec 4 | — | Jan 13 |
Frequently Asked Questions
How long does it take to grow Korean Small Onion?
Korean Small Onion takes approximately 65 days from planting to harvest.
How much sun does Korean Small Onion need?
Korean Small Onion requires full sun (6+ hours direct sunlight per day).
How far apart should I plant Korean Small Onion?
Plant Korean Small Onion at 16/sqft (3" apart) using square foot gardening spacing.
Can Korean Small Onion survive frost?
Korean Small Onion is tolerant of heavy frost and can withstand freezing temperatures.
What are good companion plants for Korean Small Onion?
Good companion plants for Korean Small Onion include Carrot, Beet, Lettuce. Avoid planting near Bean, Pea.
How long does Korean Small Onion take to germinate?
Korean Small Onion seeds germinate in 7-14 days at an optimal temperature of 65°F.
Plan 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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