Berkheya purpurea   ‘“Zulu Warrior” or “South African Thistle”

Spiny leaves form rosettes to 500 mm diameter and then send up a multi-headed spiny inflorescence up to three feet tall which produces pinkish-purple flowers. These close up at night, and re open in morning. Berkheya is basically a spiny perennial sunflower and is drought tolerant. It is both slug and snail resistant and a handy plant in a place where you want ’stay out’ to be indicated.