T. quinquecostatus f. albus
Common name(s): white Mongolian thyme
Description: native to Mongolia, Japan and Korea; mat-forming with round, pale-green foliage and white flowers in summer.
Height: to 4 in. Spread: to 1 ft.
Position: full sun and well-draining soil
Uses: ornamental- as a small scale groundcover, to attract pollinators
Winter Hardiness: to 0 F and below