Onion
Allium cepa
A high-value horticultural crop grown in irrigation schemes and highland areas alike; Kenya still imports to meet demand.
Family
Amaryllidaceae
Temperature
12-25°C (absolute 4-30°C)
Rainfall
350-600mm (absolute 300-2800mm)
Altitude
2000m
Soil pH
6-7 (absolute 4.3-8.3)
Soil types
Deep, well-drained sandy loams, pH 6.0-7.0