Apocynum cannabinum

• Upright perennial herb
• To 6 feet tall
• Small white flowers in clusters
• Flowers hermaphroditic
• Flowers July to August
• Pollinated by moths and butterflies
• Open wooded areas, ditches, hillsides
• Gravelly or sandy well-drained soil
• Near streams in shady or moist places
• Poisonous, with milky sap, can cause skin blisters
• In gardens can be invasive, growing from spreading roots
• Invasive species

Photo (c) Ron Vanderhoff – some rights reserved (CC BY-NC)