Spiraea tomentosa, commonly known as the steeplebush or hardhack, is a plant similar in characteristic to S. douglasii.
Spiraea tomentosa grows to up to four feet high, and prefers moist to wet soil and full sun. It blooms in summer. Individual Steeplebush flowers are about 1/16 of an inch wide and are arranged in narrow, pyramid-shaped clusters that can be up to eight inches long. Butterflies and other nectar-feeding insects find the flowers highly attractive. The flowers are followed by small, dry, brown fruit. It has a dense white-woolly tomentum which covers its stem and the underside of its leaves. It is noted for its astringent properties, which cause it to be used medicinally.
||This article includes a list of references, related reading or external links, but its sources remain unclear because it lacks inline citations. (July 2013)|
- Blanchan, Neltje (2005). Wild Flowers Worth Knowing. Project Gutenberg Literary Archive Foundation.
- Leopold, Donald J. (2005). Native Plants of the Northeast. Timber Press.
- Lawrence Newcomb (1977). Newcomb's Wildflower Guide. Little, Brown.
- Rines, George Edwin, ed. (1920). "Hardhack". Encyclopedia Americana.
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