Solidago canadensis - Canada Goldenrod - Perennial wildflower
Great late season pollen source! Attracts many small flies, wasps, butterflies, and bees.
Long-lived, warm season, rhizomatous perennial, forms clumps and sends out runners but can be easily managed in a garden setting.
Photo credit 1: "Canadian Goldenrod. (Solidago canadensis)" by Phil Sellens is licensed under CC BY 2.0
Photo credit 2: "Solidago canadensis flowerhead NC1" by Macleay Grass Man is licensed under CC BY 2.0