Allium tuberosum
Botanical Name
Allium tuberosum
Hardiness
Zones 4 to 8
Height
18 to 24 inches
Width
6 to 12 inches
Flowers
Mid to late summer: white
Light
Full sun to part shade
Soil
Moist, well-drained
Planting and Care
Space plants 18 inches apart, divide every 3 to 4 years to maintain vigor
Problems
None serious