White spirea flowers blooming on a bush surrounded by rich green leaves - Anna Nelidova/Getty Images Spirea (Spiraea spp.) is a shrub that's hardy in USDA Zones 4 to 8, though some of them can ...

When I was a child, my mother had three spirea bushes planted along the edge of our yard. Each spring, when they burst into bloom, my sisters and I would cut long arching, flowering branches and twist ...