Spiraea nipponica 'Snowmound'
There are two distinct kinds of spireas: the bridal wreath type, with clusters of white flowers cascading down arching branches in spring or early summer; and the shrubby type, with pink, red, or white flowers clustered at branch ends in summer to fall. Blossoms on both types are usually single.Spiraea nipponica 'Snowmound'
From Japan. Compact, spreading bridal wreath spirea to 2–3 ft. tall, 3–5 ft.wide. Profusion of white flowers in late spring or early summer. Ovate to roundish, dark green leaves to 1 1/4 in. long; little autumn color.
From the Pyrenees. Forms wide, 8–12-in.-tall mats composed of 1–1 1/2-in., soft gray-green...
Bears salmon-pink single blooms on 3-ft. stems from late summer to early fall.
From southern Europe. Grows to 8–10 in. high, spreading fast by underground rootstocks and flesh...