Photos are representative and may not match your specific variety.
Onion Microgreens
Microgreen
MicrogreenAllium cepa
- Full sun
- Zones 5–10
- 109 days to maturity
- Vegetables
- 3" spacing
- Annual
- pH 6–7
Overview
Widely adapted, day-neutral, and matures well anywhere in North America from spring sowing. Suitable for fall planting where short-day onions are normally grown. Produces uniform, large, white-skinned onions with mild flavor and thick rings. Not for long storage. Sierra Blanca is the same variety as Super Star. It has been renamed by the breeder. AAS Winner. Also offered as plants and as conventional seed with NOP-compliant pelleting.
Planting
Soak seeds 12-24 hours, sow densely on growing medium, keep covered until germination begins.
Growing
Sun: full. Soil pH: 6–7. Space plants 3" apart. Germination: 7-14.
Pests & diseases
Common pests: Thrips occasionally, onion maggots (rare in microgreen stage). Common diseases: Damping off, purple blotch in humid conditions, white rot in contaminated soil.