Herb Library: Natural Herbs and Herbal Supplements Directory: Oregon Grape


Oregon Grape

Oregon Grape


This fact sheet provides basic information about Oregon Grape. Oregon Grape is an evergreen shrub related to the barberry and has many common medicinal uses and constituents. The Oregon-grape is not closely related to grapes, but gets its name from the purple clusters of berries whose color and slightly dusted appearance is reminiscent of grapes.

Oregon grape was first used by native Americans in connection with a variety of conditions. The berries were used to relieve poor appetite and root of the plant was made into tea for relieving jaundice, arthritis, diarrhea, fever, and many other health problems.

Common Names

Oregon Grape

Latin Names

Mahonia aquifolium

What It Is Used For

  • Oregon-grape root is commonly used medicinally as an effective alternative to the threatened goldenseal. Both plants similarly contain the alkaloid berberine, known as an anti-inflammatory and anti-bacterial used in the treatment of infection.

How It Is Used

As a tea, Oregon grape can be taken up to three times a day. The tea is prepared by boiling 1 to 3 teaspoons of Oregon grape root in a few cups using Oregon grape purchase an Oregon Grape extract composed of 10 Oregon grape extract.

What the Science Says

  • Because of a potential toxicity or adverse effects of berberine, consult a reputable herbalist regarding dosages and treatments.

Side Effects and Cautions

  • A doctor should be consulted before using Oregon grape on a severe infection.


InfoStarBase Portal of Information on Living Green and Healthy Living