Thymus pseudolanuginosus Common Name: Woolly Thyme Zones 3 to 11. Full sun (to light shade in zones 10 and 11). Plants reach 1 to 2 inches tall and 12 to 24 inches wide. evergreen groundcover. Growth rate: Moderate. Thymus pseudolanuginosus, commonly known as Woolly Thyme, is a low-growing, mat-form... See More