How to Grow Onion Microgreens
Allium cepa
Your complete guide to growing Onion Microgreens.
📷 Wikipedia: OnionWhen to Plant Onion Microgreens
Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.
| Zone | Start Indoors | Direct Sow | Harvest |
|---|---|---|---|
| Zone 1 | January – December | — | January – December |
| Zone 2 | January – December | — | January – December |
| Zone 3 | January – December | — | January – December |
| Zone 4 | January – December | — | January – December |
| Zone 5 | January – December | — | January – December |
| Zone 6 | January – December | — | January – December |
| Zone 7 | January – December | — | January – December |
| Zone 8 | January – December | — | January – December |
| Zone 9 | January – December | — | January – December |
| Zone 10 | January – December | — | January – December |
| Zone 11 | January – December | — | January – December |
| Zone 12 | January – December | — | January – December |
| Zone 13 | January – December | — | January – December |
Companion Plants for Onion Microgreens
✓ Good companions
Benefits from onion's pest-deterrent properties, especially flea beetles
Repels aphids and thrips that commonly attack microgreens
Natural fungicide properties help prevent damping-off disease
Complementary growth rates and helps repel spider mites
Similar growing conditions and onion microgreens may deter lettuce pests
Attracts beneficial insects and doesn't compete for light in microgreen setups
Onions help repel root maggots that can affect radish seeds
Onion compounds help deter aphids that commonly attack spinach
✗ Keep away from
Onion compounds can inhibit nitrogen fixation and bean germination
Allelopathic compounds inhibit germination and growth of most plants
Strong aromatic oils may inhibit delicate microgreen germination
Nutrition Facts
Per 100g serving (USDA FoodData Central)
