Acanthus spinosus L.

Spiny Bear's Breeches

Family: Acanthaceae

Genus: Acanthus

Category: Perennial

Zones: 5 to 9

Size: 3 to 4' tall, 3' wide

Growth Rate: Moderate

Exposure: Sun, Filtered Sun, Part Shade


Glossy green leaves, to 10", deeper cut than Acanthus mollis and more spiny. Pink to mauve flowers in late spring through mid-summer. More cold hardy and more tolerant of heat and humidity than Acanthus mollis. Tolerates a range of soils but prefers well-drained. Can spread aggressively.


Published in Sp. Pl. 2: 639 in 1753.

Native to Albania, Bulgaria, Italy, Greece, Croatia, Turkey and Algeria.


Sources of Information

© 2010-12 Lisa J. Miner