After flowering has finished, prune the mostly spring-blooming, bridal wreath spireas. Thin old and weak canes to the ground annually. Prune the summer-blooming, shrubby spireas in winter or early spring. They generally need less severe pruning than bridal wreath spireas. After flowers fade, remove them and a second flush of growth is stimulated, which will result in additional flowers.
Aphids are occasionally a problem in the spring.
It grows to a height of only 3 feet and has reddish-pink flowers held in little umbrellas on the tips of the branches. Magic Carpet' grows to 2 feet tall and has reddish bronze new growth and chartreuse to yellow older foliage. Neon Flash' grows to 4 feet tall and 5 feet wide. Shirobana' is well-known for its multicolor effect. It bears clusters of white, pink and red flowers at the same time, with the color variation due to aging.