Hydrangea Root

Identity

Common Name

Hydrangea Root

Scientific Name

Hydrangea arborescens

Botanical Family

Hydrangeaceae

Native Region

Eastern North America

Cultivation Regions

North America, East Asia (related species)

Plant Parts Used

Root (dried, peeled)

Synonyms

Wild Hydrangea, Seven Barks, Smooth Hydrangea

Caffeine Level

Caffeine Free

A deciduous shrub with large opposite oval green leaves and broad clusters of small white flowers; the peeled root is the medicinal part, long used for kidney and urinary concerns.

Historical Background

A Cherokee and early-American remedy for kidney stones ('gravel') and urinary discomfort; later adopted by Eclectic physicians for similar uses.

Earliest recorded uses: Kidney stones ('gravel'), urinary discomfort, and bladder irritation.

Cultural significance: Known as 'seven barks' for its layered peeling root bark; a classic Appalachian kidney remedy.

1. Indigenous

   Cherokee use hydrangea root for kidney and urinary concerns.

2. 19th century

   Eclectic physicians adopt it for 'gravel' and bladder stones.

Traditional Uses

These uses document historical traditions and do not imply proven effectiveness.

Flavor & Aroma

Aroma: Mild, earthy, rooty

Tea Information

Research Summary

Used largely on traditional grounds; limited modern study of flavonoids and coumarins. Clinical evidence for kidney stone outcomes is lacking.

Evidence levels reflect the currently available scientific literature and may change as new research emerges. Where evidence is limited or conflicting, this is stated plainly.

References & Sources