Hydrangea obtusifolia
Image: S G Willis (cc-by)
NameHydrangea obtusifolia
Scientific NameHydrangea obtusifolia
Common NamesObtuse-leaf Hydrangea
Plant FamilyHydrangeaceae
Natural HabitatNative to East Asia, including China, Japan, and Korea, where it grows in forests, thickets, and on mountain slopes, often climbing on trees or rocks.
Parts Usedroot,leaf,flower
Medicinal Actionsdiuretic,anti-inflammatory,antioxidant
Traditional UsesWhile specific traditional uses for Hydrangea obtusifolia are not well-documented, other species within the Hydrangea genus have been traditionally used for their diuretic properties, particularly in treating urinary tract infections, kidney stones, and prostate issues. Some species are also valued for their anti-inflammatory and antioxidant effects.
Active Constituentscoumarins, flavonoids, saponins, alkaloids
Preparation Methodsinfusion,decoction,tincture,powder
Contraindications & WarningsMay cause gastrointestinal upset, nausea, or dizziness in some individuals. Caution is advised for those with kidney disease or taking diuretics, as it may potentiate their effects. Consult a healthcare professional before use.
Cultivation NotesPrefers partial shade to full sun with moist, well-drained, acidic to neutral soil. Requires consistent moisture, especially during dry periods, and benefits from mulching to retain soil humidity.
Rarityuncommon
Description
Hydrangea obtusifolia is a deciduous climbing or scrambling shrub, often rooting along its stems. It features ovate to elliptic leaves and produces terminal corymbs of small, white to creamy flowers.
