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.
Upright or arching, typically 2 to 6 ft. high and wide, often spreading by root suckers. Most are best...
Tall grower to 4-5 ft., with ruby red blooms.
Plant is 1 ft. tall and 2 ft. wide; has lilac blooms and resists mildew.