Cow Parsnip (Heracleum maximum) her-ah-KLEE-um maximum

Why Like The sap of Cow Parsnip contains a phototoxin which -- when combined with ultraviolet light -- causes skin irritation, sometimes severe. Plants should be pulled carefully so seeds do not develop and plants do not resprout.
Description
Plant Data
I am a... Deciduous Perennial
   In the Landscape Focused on the Plant Leaves Flowers Fruit Fall Leaf Winter Form
 
 

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