4" tall x 15-18" wide. This shade loving, beautifully textured groundcover is an excellent lawn replacement. Sweet Woodruff thrives in shady conditions that most lawn grasses don't like, forming a dense, weed-resistant canopy of leaves. Booming for a few weeks in late spring with sprays of tiny white flowers, the plant is most appreciated for its ornamental foliage. Best in parts of the country with cool to moderate summer temperatures, it will tolerate more heat if irrigated regularly when rain is lacking.