These seeds were collected from Rhododendron maximum, also known as Rosebay Rhododendron, great laurel, great rhododendron, American rhododendron, big rhododendron, and Great White Laurel. This shrub grows up to 30 feet tall and likes to live in light shade where it has beautiful and fragrant pink, purple, and white blossoms that are on display from late spring through the middle of the summer. The flowers are pollinated by bees. Rhododendrons in general are larval host plants for the Gray Comma, Appalachian Tiger Swallowtail butterflies, and the Elegant sphinx, 10 spotted Rhododendron, Tetracis jubararia, and Rhododendron Borer moths. USDA Hardiness Zones 3b to 8.