Thymus serpyllum, commonly called wild thyme, creeping thyme or mother-of-thyme, is a hairy, prostrate, creeping, woody-based perennial which is primarily grown as an ornamental ground cover. It is rarely used in cooking (Thymus vulgaris is the culinary thyme most commonly used in cooking). Numerous, thin, somewhat woody, prostrate stems clad with tiny, opposite, oval-rounded, pubescent, almost sessile, glossy blue-green leaves (to 1/4” long) form a flat foliage mat to 2-3” tall which will spread over time by rooting stems to 12-18” wide.