Description
As its name suggests, this flower has leaves that are notably smooth with a unique pale purple flower. Grows to be a relatively tall and shrubby perennial. Can be cut back to produce shorter blooms. Blooms in the late summer and into the early fall. Drought tolerant. Prefers sunny locations and well-drained soil.
Ontario Hardiness Zone: 3 to 7 (Find out your Hardiness Zone here)
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