Bear's Breeches Common Name: Bear’s Breeches Botanical Name: Acanthus spinosus Bear's Breeches Plant family: Acanthaceae Location: North Forest Trail Growing zone: 5-9 Height: 3-4′ Spread: 2-3′ Bloom time: June, July, August Bloom description: Long tubular flowers are borne on tall spikes. Each flower is whitish in color with a large, flat, mauve top petal or hood. Leaf type: Acanthus is grown just as much for its attractive foliage as it is for its blooms. Large leaves are a deep glossy green with a deeply cut, thistle-like shape and spines. Garden uses: Flower spikes are tall and very showy. Wonderful flowering perennial. Not reliably winter hardy in cooler climates.