Butterfly Bush is a hardy perennial shrub that can be grown in almost any part of North America. The flowers range in shades of Purple, white or yellow, and resemble an elongated Lilac.
The butterfly bush, as it's name might suggest is very attractive to butterflys. It is a nectar source for most Swallowtails, the Monarch, Queens, Red-Spotted Purple, Comma, Question Mark, painted Lady, American Painted lady, Hairstreaks, Cloudless Giant Sulphur, and many Skippers. Sounds like a good bush in include in your Butterfly Garden.