Oregon Grape — FarmPal
Native northwest bitter with powerful antimicrobial properties. Alternative to endangered goldenseal.
Scientific Name
Mahonia aquifolium
Growing Zones
Zones 5-9
Medicinal Properties
Antimicrobial (berberine)
Bitter digestive tonic
Alterative
Anti-inflammatory
Liver supportive
Parts Used
Root
Root bark
Traditional Uses
- •Infections (similar to goldenseal)
- •Digestive support
- •Skin conditions (psoriasis, eczema)
- •Liver and gallbladder support
- •Eye infections (as wash)
- •Urinary tract infections
Preparations
Tincture
Fill jar 1/3 with dried root, cover with vodka. 6-8 weeks.
Dosage: 30-60 drops, 3 times daily for acute infections. Short-term use.
Decoction
Simmer 1-2 tablespoons dried root in 2 cups water for 20-30 minutes.
Dosage: 1/4-1/2 cup before meals for digestion, or for skin wash
Salve
Make root-infused oil (low heat method), add beeswax for salve.
Dosage: Apply to psoriasis, eczema, or wounds
Harvesting Guide
Timing: Harvest roots in fall or early spring from established plants.
Method: Dig portion of roots, replant the rest. Scrub clean.
Drying: Slice thin and dry at 95-100°F. Inner bark should be bright yellow.
⚠️ Cautions
- •Not for use during pregnancy (berberine)
- •May interact with certain medications
- •Use short-term (2-3 weeks) for acute conditions
- •Can irritate mucous membranes in large doses
Storage
Dried root 2-3 years. Tincture 3-5 years. Yellow color indicates quality.