Hydrangea hirta
NameHydrangea hirta
Scientific NameHydrangea hirta
Common NamesNoriutsugi, Hairy Hydrangea
Plant FamilyHydrangeaceae
Natural HabitatNative to mountainous regions of Japan, typically found growing in woodlands and along forest edges.
Parts Usedroot,leaf,flower
Medicinal Actionsdiuretic,anti-inflammatory,antimicrobial
Traditional UsesWhile specific traditional uses for Hydrangea hirta are not widely documented, other species within the Hydrangea genus, particularly Hydrangea arborescens, have been traditionally used for urinary tract health. This includes addressing kidney stones, bladder infections, and prostate issues due to their diuretic and lithotriptic properties.
Active Constituentshydrangin, saponins, flavonoids, coumarins
Preparation Methodsinfusion,decoction,tincture
Contraindications & WarningsDue to the presence of compounds like hydrangin, large doses may cause gastrointestinal upset. Pregnant or breastfeeding women, and individuals with kidney disease, should consult a healthcare professional before use.
Cultivation NotesThis shrub prefers moist, well-drained soil and partial shade, though it can tolerate some sun. It is generally hardy and adaptable to various soil types, thriving in conditions similar to its native woodland habitat.
Rarityuncommon
Description
Hydrangea hirta is a deciduous shrub native to Japan, characterized by its ovate, serrated green leaves and flat-topped clusters of small, pale blue to white fertile flowers. Its inflorescences lack the prominent sterile florets often seen in other Hydrangea species.
