In addition to foliage changes seen in landscape trees and shrubs, a select number of perennials contribute to the autumnal leaf colors. Here is a select list of popular perennials endeared for their autumnal foliage hues. Arkansas bluestar (Amsonia hubrichtii) – stunning golden foliage beginning in late September. Bloody cranesbill (Geranium sanguineum) – geranium ground […]