Amsonia hubrichtii (Arkansas blue star)

A. chrysantha is a vigorous grower that will add a real burst of color to any southern garden. This southwestern U.S. native has 3-inch yellow flowers in spring and reaches almost 3 feet tall.

This cultivar of our East Coast native is one of the few penstemons adaptable to wet winters and hot, humid summers. 'Husker Red' shines with ruby-toned leaves. Late spring and early summer brings sturdy 3-foot-high stems adorned by panicles of white blooms that entice bees, hummingbirds, and butterflies, but not deer or rabbits. In autumn and winter, songbirds feed on the seed. 'Husker Red' is stunning grown in groups.

'Forsyth Lemon Drop' is lovely and cheerful daylily cultivar.

Originating in mountainous woodland and stony habitats from Europe to western Asia, yellow foxglove is tolerant of dry shade but flourishes with moisture. Arising in midsummer from neat clumps of fine-toothed foliage, a mass of soft yellow open bells, speckled brown inside, blooms along one side of a 3-foot-tall stem. Usually described as a perennial, it is more accurate to call it a biennial or short-lived perennial. If the flowering stalk is cut down after blooms have faded, it may rebloom in the fall. When a few flower stalks are left, the plant self-seeds.