Botanical Information
Family: Caprifoliaceae (formerly Adoxaceae)
Common Names: Black Haw, Blackhaw, Stag Bush
Parts Used: Bark, Root Bark
Description
Viburnum prunifolium, commonly known as Black Haw, is a deciduous shrub or small tree native to eastern North America. It has long been valued in herbal medicine for its antispasmodic, uterine tonic, and nervine properties. Traditionally, Black Haw has been used to support women’s reproductive health, ease menstrual cramps, prevent miscarriage, and relieve muscle spasms. It is closely related to Viburnum opulus (Cramp Bark), but tends to have a stronger effect on muscular and uterine relaxation.
Historical and Traditional Uses
- Used by Indigenous tribes and early American herbalists for menstrual cramps, pregnancy support, and muscle spasms.
- Traditionally employed to prevent miscarriage and preterm labor.
- Applied in folk medicine as a nervine and uterine tonic to strengthen female reproductive health.
- Used to relieve nervous tension, colic, and spasmodic pain.
Constituents
- Coumarins (Scopoletin, Aesculetin)
- Salicin (anti-inflammatory compound)
- Tannins
- Flavonoids
- Iridoids
Actions
- Antispasmodic
- Uterine tonic
- Nervine
- Anti-inflammatory
- Mild Sedative
- Astringent
Medicinal Uses
- Menstrual & Uterine Health
- Eases menstrual cramps, regulates cycles, and reduces heavy bleeding.
- Used historically to prevent miscarriage and support pregnancy (only under professional guidance).
- Antispasmodic & Muscle Relaxant
- Helps with muscle cramps, leg spasms, and tension headaches.
- Traditionally used for colic, digestive cramping, and nervous tension.
- Nervous System Support & Sedative Effects
- Acts as a mild nervine, helping to calm the nervous system.
- Used for stress-induced muscle tension and emotional irritability.
- Arthritis & Joint Pain Relief
- Anti-inflammatory properties make it useful for rheumatism and arthritis.
- Can be taken internally as a tea or tincture or applied topically as a poultice.
Preparation and Dosage
Infusion (Tea from Bark):
- 1 tsp of dried bark per cup of hot water.
- Steep for 10-15 minutes, drink up to three times daily.
Tincture:
- 2-4 ml taken up to three times daily.
Poultice (For Muscle & Joint Pain):
- Crushed fresh or dried bark applied to sore joints or muscles.
Precautions and Contraindications
- Pregnancy & Breastfeeding: Traditionally used to prevent miscarriage, but should only be used under professional guidance.
- Aspirin Sensitivity: Contains salicin, so individuals allergic to aspirin should avoid it.
- Blood Thinners: May have mild blood-thinning effects; caution with anticoagulant medications.
Energetics (Traditional Medicine Perspectives)
Traditional Western Herbalism: Cooling and relaxing; supports uterine function, nervous system balance, and pain relief.
Indigenous & Appalachian Medicine: Used for women’s health, muscle spasms, and joint pain relief.
Combinations
- For Menstrual Cramps: Combine with cramp bark (Viburnum opulus) and raspberry leaf.
- For Muscle & Joint Pain: Use with white willow bark and turmeric.
- For Nervous System Support: Blend with skullcap and valerian root.
- For Uterine Tonic Support: Pair with dong quai and black cohosh.
Harvesting and Storage
- Harvesting:
- Bark is collected in spring or fall when medicinal compounds are most concentrated.
- Drying:
- Air dry in a shaded, well-ventilated area.
- Storage:
- Keep dried material in an airtight container, away from moisture and light.
Modern Research
- Studies confirm its antispasmodic effects, validating its use for muscle and uterine cramping.
- Research suggests mild sedative and nervine actions, supporting its traditional use for stress and tension relief.
- Contains anti-inflammatory compounds (salicin and flavonoids), making it beneficial for joint pain and muscle soreness.
Conclusion
Viburnum prunifolium (Black Haw) is a valuable herbal remedy for women’s reproductive health, muscle tension, and nervous system support. It is a powerful yet gentle antispasmodic, making it useful for menstrual cramps, pregnancy support, and joint pain relief. Due to its potential effects on pregnancy and blood clotting, it should be used with caution and preferably under the guidance of a trained herbalist or healthcare provider.