Thymus serpyllum. This prostrate, spreading, evergreen herb is prized for fragrance and flavor. Magenta-pink flowers are visited by butterflies and other pollinators. Great in rock gardens, containers, amid stones, and as groundcover. Grows 1-2" tall by 12-15" wide. Blooms late spring to early summer. Full sun to part shade. Plant in well-drained soil. Zones 3-10.