Tradescantia virginianaDeciduous clumping perennial to 3' tall and 2' wide with narrow strappy gray-green foliage and deep violet purple 1" flowers on erect stems above the foliage. Super showy in bloom. Plant in full sun to part shade. Give average to ample water, good drainage. Easy to grow. Few pests. USDA zones 5-9 in cold hardiness.