Symphyotrichum oblongifolium is attempting to colonize the entire yard--but it will have purple daisies into November.)
"Fireworks" goldenrod (solidago rugosa) is much better behaved than common goldenrod, though I must admit that the plant has gotten much larger than the catalog descriptions indicated. This size, however, allows it to make a dramatic combination with "Dart's Gold" physocarpus
and a large (as in taller than I), enthusiastic New England aster.
And as if we weren't having enough autumn excitement, the neighbor's dogwood berries are turning red, a harbinger of the fall migration of songbirds, and sedum "Autumn Joy" is getting its first flush of pink.