A couple of years ago, an Eastern Pondhawk (Erythemis simplicicollis) Dragonfly stopped by the garden long enough for me to take photos.
The body is bright green. Dark brown or black chevrons point up the tail-like abdomen. The end of the tail-like abdomen is also dark with really light, perhaps white, appendages at the tip. Dark and light spots are also present on the head. The wings are transparent between thin dark veins except for four stigmas. The stigmas, small rectangular panels on the front edge of each wing near the tip, have goldenrod yellow centers. Jewel-like green dots in dark rings attach the wings to the body. The overall coloring indicates that this is a female or young male. Adult males have a different color scheme.
The Eastern Pondhawk visited both the Yellow Fumitory and Boston Ivy. Initially, I thought the dragonfly was simply on the edge of the planter. But if you look closer, you can see that the insect is grabbing hold of a Yellow Fumitory leaf.