Collard greens
Brassica oleracea var. acephala
Cole crop grown for its large, flat, non-heading edible leaves.
Family
Brassicaceae
Temperature
15-22°C (absolute 7-30°C)
Rainfall
450-1000mm (absolute 300-2800mm)
Altitude
3000m
Soil pH
5.4-6 (absolute 4.5-8.3)
Soil types
Fertile, well-drained soils