How to Grow Globe Thistle — Echinops
Echinops–commonly called globe thistle-has globe-shaped, spiky metallic blue flower heads in late summer. This upright perennial has prickly, divided green leaves. Echinops flower heads are spherical, about the size of a golf ball. Flowers appear on erect stems. Echinops leaves are spiky, usually grayish-white and wooly. Leaves are deeply cut, prickly, and up to a…