Hydrangea carroniae
Image: Daniel Petersen (cc-by-nc)
NameHydrangea carroniae
Scientific NameHydrangea arborescens
Common NamesWild Hydrangea, Smooth Hydrangea, Sevenbark, Mountain Hydrangea
Plant FamilyHydrangeaceae
Natural HabitatFound in moist, rocky woodlands, stream banks, and forest edges, often thriving in partial to full shade.
Parts Usedroot
Medicinal Actionsdiuretic,anti-inflammatory
Traditional UsesTraditionally used by Native Americans and early American settlers to address urinary tract issues, including kidney and bladder stones, gravel, and inflammation. It was also employed for prostate health and as a general diuretic.
Active Constituentshydrangin, saponins, flavonoids, volatile oils
Preparation Methodsdecoction,tincture,powder
Contraindications & WarningsLarge doses may cause gastrointestinal upset (nausea, vomiting, diarrhea). Use with caution in individuals with kidney disease or those taking diuretics. Avoid during pregnancy and breastfeeding.
Cultivation NotesPrefers moist, well-drained soil and partial shade, though it can tolerate full sun if the soil remains consistently moist. Hardy in USDA zones 3-9.
Raritycommon
Description
A deciduous shrub native to eastern North America, known for its large, rounded clusters of white flowers that mature into persistent brown seed heads. It typically grows 3-6 feet tall with ovate, serrated leaves.
