Size Quart, Sidalcea malviflora 'Palustre' (False Mallow), 

Bloom Time: Summer (Jun,Jul,Aug,Sep) Growth Rate: Moderate Dimensions: 4-10" tall x 12-24" wide

Rosy-pink 1.5" cup-shaped flowers sparkle atop dark, scalloped foliage. Creeping stems weave through the border. This rare form makes a very pretty groundcover.  

Full Sun to Part Shade