Van Zyverden Allium Azureum Blue Globe Onions 25 Bulbs Partial Sun Perennial Deer Resistant 1 lb Beautiful garden accent/Perfect as a dried flower Deer and rodent resistant Show-stopping color Deer Resistant Full sun to partial shade Perennial Dormant bulb size 4/5 cm Grows 20" tall Blooms in early summer Blue USDA Hardiness Zones 4-9 Ships to 48 contiguous US states, plus the District of Columbia; Except ID, NV, NC, and OR As Alliums do not like wet feet, find a sunny location where the soil drains well or try to improve the drainage. The bulbs will rot in wet areas. Aside from that, almost no maintenance is required. Dig, divide, and replant bulbs after a few years of decreasing flower production.