Deer-resistant shrubs with yellow flowers in July and August. This shrub is not the perennial from which the medicine is made, but the deer still avoid it. ...

Is St Johns Wort deer resistant?

They are largely deer resistant and also tolerant of juglones from walnuts. You can use Shrubby St Johns Wort in your landscape as a hedge, in a mass, to stabilize embankments, or as part of a border.

Is Hypericum poisonous to animals?

John’s wort (Hypericum perforatum), also known as Klamath weed, is a member of the Clusiaceae family and is toxic for dogs, causing photosensitization (sun sensitivity) and contact dermatitis. Hypericin contained in the plant leads to the symptoms that your dog may experience from ingesting St. John’s wort.