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Plant category: herbaceous perennial
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Height range: 1.2 - 2 m
Tall panicles of small, creamy flowers.
Distinctive glossy, sword-shaped spiny leaves and greenish-white flowers.
Tall plant with dissected leaves and strong heads of fluffy pink flowers.
Large, deep purple flowers on this exceptionally robust form.
Fluffy panicles of masses of tiny, starry, white or pink flowers.