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Narrow, powder-blue leaves create an exciting contrast with other forms and textures in the garden. Its round head of stiff, spiny leaves sits atop a trunk to make a sculptural statement. The creamy-white floral display can rise 4 feet above the sphere of foliage.
Mature size: 4-5 feet tall & 2 feet wide in 10 years.
Minimum temperature: -10° F
Properties/conditions: