12 Top Midwest Perennial Flowers

Though it has the word weed in its common name, don't let that scare you away from butterfly weed (Asclepias tuberosa). Sometimes called milkweed, it's as easy to grow as a weed but much prettier, plus hummingbirds and butterflies (especially monarchs) adore it. Clusters of orange, yellow, pink or vermillion flowers appear in mid- to late summer, followed by thin, ornamental seedpods.