Cow Parsnip

• Size: Up to 6' Tall
• Seasonal Habits: Flowers late spring to early summer
• Toxicity: Can Be Toxic

Cow parsnip (Heracleum maximum) is native to North America and grows in a variety of habitats including woodlands, forest openings, grasslands, stream and river edges and along roadsides. Its sap contains a phototoxin that reacts with ultraviolet light to cause skin irritation ranging from a mild rash to severe blistering.