Appearance
The plant is a woolly shrub growing 1 to 2 meters tall from rhizomes, forming dense riverside thickets. Large clusters of small pink flowers form spires in early summer, later turning dark and persisting. The leaves are toothed toward the tips. The undersides are whitish with prominent veins.
Naming
Common names include hardhack, hardhack steeplebush, Douglas' spiraea, douglasspirea, steeplebush, and rose spiraea.
Habitat
It occurs most often in riparian habitat types, such as swamps, streambanks, bogs and mudflats. It grows among sedges, horsetails, wild blueberries, and other swamp flora.Uses
This plant is used as an ornamental in landscaping, where it grows best in sunny, moist places.References:
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