Geum triflorum | Prairie Smoke | 10_SeedsThis is Geum triflorum, also known as prairie smoke, old mans whiskers, three flowered avens, and Purple Avens. Growing up to 8 inches tall, this plant likes to live in the full sun. Geum triflorum is resistant to deer. Blooming from Spring to early Summer this plant has red blossoms. A vast variety of bees pollinate this plant. Some plateau indians used this plant to treat tuberculosis. The roots can be used to make a tea. USDA Hardiness Zones 3 to 7.