The Perennial Pepperweed has basal leaves that are lance shaped, have long petioles, are up to 12 inches long, and are covered with a waxy layer. Stem leaves are smaller and have shorter petioles, but don't clasp the stem. Leaves have a prominent, whitish midvein. Flowers are white, less than 1/8 inch wide, and are borne in dense, rounded clusters at the branch tips from early summer until fall. Fruits are roundish, slightly hairy, measure 1/16 inch in diameter, and contain 2 tiny seeds.
Perennial Pepperweed is difficult to control due to its stout root system, but up to date chemicals and methods mentioned in the Weed Control Guide