This perennial has upright spreading foliage that forms a clump. It has arching dark-green lobed oblong leaves and the white 2-lipped flowers appear on a tall scarp above the foliage from spring to summer. Commonly grown as a specimen or border plant.

Hardiness zones 7 to 10 

Acanthus spinosus is naturally found in the warmer parts of the Mediterranean growing in rocky well drained soils. It prefers a shaded to semi-shaded protected position and is frost and drought tender. 

Bear's Breeches is an attractive plant is grown for its foliage and erect flower heads and is planted in garden borders or in rockeries. It is also grown as a specimen plant in small gardens or in mass planted in parks and large gardens. It establishes from division in 1 to 2 years. In cool climates it is grown as a container or understorey plant in a protected position. ID 1347

Note:
The flowers are very simular to Acanthus mollis and the leaves of this species were used as motifs to decorate the uppermost part of Corinthian columns

Acanthus (a- KANTH-us ) spinosus (spy-NO-sus)

'Acanthus': a spine or prickle; spinosus having spines.

Acanthaceae (ah-kanth-AY-see-ee)
Acanthus Family