Q.I Have A Mystery Plant.
It’s strong, tall, single square stem from ground. Large soft leaves. Smooth stem with 4 verticle ridges at its 4 corners. 1 inch across. It has a compact shallow root ball. Has been growing months. No sign of flowers.

BushDoctor
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on September 10, 2021
That would be Verbesina virginica!
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