New England Aster
Symphyotrichum novae-angliae
Notes:

From what I've read, Asters are one of the best caterpillar host plants. The adult pollinators also like them.

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The old Lakota was wise. He knew that man's heart away from nature becomes hard; he knew that lack of respect for growing, living things soon led to lack of respect for humans too.
Chief Luther Standing Bear