Acanthus spinosus


Photo courtesy of Willoway Nurseries

Foliage remains attractive after the bold flower spikes have disappeared

Specifics
Common name: Bear’s breeches

Description: This clump-forming perennial provides bold flower spikes that range from white to pink and purple that appear from June to August. The snapdragon-like flowers are enclosed by spiny, reddish-purple bracts and arranged in vertical rows on substantial flower spikes which rise well above the foliage mound. Deeply-cut, glossy green, thistle-like leaves form an ornamental mound of long-stalked, basal foliage which usually remains attractive throughout the growing season.

Habit: Grows 3-4 feet tall and 2-3 feet wide.

Hardiness: USDA Hardiness Zone 5-9.

Propagation: By seed or root cuttings.

In the landscape: Use in the back of borders or in a cutting garden. It grows best in full sun to part shade. It performs better with some afternoon shade in hot summer climates. It requires moderate irrigation. Tolerates a wide range of soils except poorly-drained ones.

Drawbacks: Can be slow to establish in the garden and aggressive when mature.

Source: Missouri Botanical Garden, www.missouribotanicalgarden.org

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