Helianthus tuberosus aka. Jerusalem artichoke, sunroot, earth apple, or sunchoke
Sidewalk garden @Massachusetts Avenue :).
Border control 😉
Tiny yellow stars, or the center of Zinnia elegans aka Z. violacea.
Gaillardia aka blanket flowers, little sisters of the sunflower. In German, they are called “Malerblumen”, painter’s flowers.
All colors will agree in the dark, unless you flash them 😉