White flowers that really do look like turtles all clustered together on the top of stiff stems, hence the common name of Turtle's Head. These form slowly spreading clumps with soft green leaves. Likes a soil that does not dry out in summer.
Flowers in August and September.
From Tennessee in 1752.
Height and Spread: 80cm x 45cm
Common name(s): Twisted shell flower, Turtle's Head, Balmony, Fish-mouth, Snakehead.
Photo courtesy of The Hardy Plant Society