Aruncus
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 Aruncus dioicus
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Aruncus aethusifolius |
Aruncus is a genus of herbaceous plants in the Rosaceae, subfamily Spiraeoideae. Botanical opinion of the number of species differs, with from one to four species accepted.
- Aruncus dioicus (Goatsbeard) is native to the temperate Northern Hemisphere, occurring throughout the cooler parts of Europe, Asia and North America. In the broad sense, this is the only species in the genus, with the species below treated as synonyms or varieties of it by some botanists.
- Aruncus aethusifolius (Dwarf Goatsbeard or Korean Goatsbeard) has a restricted range, limited to Korea in eastern Asia.
- Aruncus gombalanus (Yunnan Goatsbeard) occurs in the mountains of northwest Yunnan and adjacent Tibet.
- Aruncus sylvester (Asian Goatsbeard) covers the widespread Asian forms of A. dioicus.
The genus was formerly treated as part of the related genus Spiraea.
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Characteristics - A. sylvester For two weeks in early summer, each 4- to 6-foot stalk of goatsbeard is crowned with a 6- to 10-inch plume of tiny blossoms. Because the flowering season is relatively short and the foliage is tall, goatsbeard is generally placed at the back of a border, but it is also dramatic when massed alone as a separate planting. Its tolerance for partial shade and wet soil makes it popular in woodland gardens.
How to grow. Goatsbeard does well in Zones 4-9 in almost any soil, in sun, or light shade. Set plants 18 - 24 inches apart. To get new plants, divide clumps in spring or fall; otherwise clumps can remain undisturbed indefinitely.
