Purple Carpet Creeping Thyme Thymus praecox 'Purple Carpet' Plant Height: 2 inches Flower Height: 3 inches Spread: 18 inches Spacing: 16 inches Sunlight: Hardiness Zone: 2a Other Names: Mother-of-Thyme, Creeping Thyme Description: A highly desirable and popular groundcover, forming a dense low mat completely covered in lavender-purple.