This compact butterfly bush reaches just 2'/.6 m tall and wide but has the large, full flowers normally seen on a much larger plant. It blooms non-stop from early summer through frost with amethyst-toned flowers, each with a tiny yellow-orange eye in the center. Thanks to thick, sturdy stems, the Pugster series offers vastly improved hardiness and winter survival over other types of dwarf butterfly bush.Top reasons to grow Pugster Amethyst butterfly bush:- Appealing light purple colored flowers, a light and cheery element in the landscape.- It produces full-sized flowers on a compact, dwarf frame.- Thick, sturdy stems ensure better winter hardiness in zone 5 than other dwarf butterfly bush.- Fragrant Flower- Continuous Bloom or Rebloomer.