...
Highly valued for it’s woolly gray foliage, can be a rapidly spreading groundcover. Pure white flowers appear late spring and early summer.
Gray
...
Has soft, feathery foliage and forms a compact, silky, cushion-like mound. It has many applications in the garden including: edging, rock gardens, pots, or a filler plant for hot, dry areas. It has long been one of the most popular silver foliage plants.
...
This is an upright, clump-forming with silvery to gray foliage. Produce bright yellow flowers throughout the summer. One of the best perennials for planting on hot, dry & sunny conditions.