Trillium erectum (Purple Trillium)
Trillium erectum, or Purple Trillium, is one of the loveliest Trilliums, with flowers that are mahogany-red to purple. This native wildflower stands nearly erect, with often more than one stem per plant. Like all Trilliums, Trillium erectum is perfect for the woodland or wildflower gardens, blooming in May or June in shade. Zones 4-8.