Spiraea tomentosa (Hardhack) is a species of shrub in the family Rosaceae. They have a self-supporting growth form. They are native to Canada, The Contiguous United States, and North America. They have simple, broad leaves and purple flowers. Flowers are visited by Meliscaeva cinctella and Tricolored Bumble Bee. Individuals can grow to 1.7 m.
EOL has data for 75 attributes, including: