Hydrangea nahaensis
Image: anschieber (cc-by-nc)
NameHydrangea nahaensis
Scientific NameHydrangea macrophylla
Common NamesBigleaf Hydrangea, Mophead Hydrangea, Lacecap Hydrangea, Naha Hydrangea
Plant FamilyHydrangeaceae
Natural HabitatNative to Japan and Korea, thriving in coastal and mountainous regions. It prefers moist, well-drained soils and partial shade, often found in woodlands or cultivated gardens.
Parts Usedleaf,root,flower
Medicinal Actionsdiuretic,anti-inflammatory,antimicrobial
Traditional UsesTraditionally used to treat urinary tract infections, kidney stones, bladder inflammation, and prostate issues. It has also been employed for conditions like rheumatism and gout due to its anti-inflammatory properties.
Active ConstituentsHydrangin, saponins, flavonoids, hydrangenol, phyllodulcin
Preparation Methodsdecoction,tincture,powder
Contraindications & WarningsCan cause gastrointestinal upset (nausea, vomiting, diarrhea). Contains cyanogenic glycosides, requiring careful preparation. Avoid use during pregnancy and breastfeeding, and in individuals taking diuretics or blood thinners.
Cultivation NotesThrives in rich, consistently moist, well-drained soil with partial shade. Flower color is influenced by soil pH; acidic soils yield blue flowers, while alkaline soils produce pink flowers.
Raritycommon
Description
A popular deciduous shrub characterized by its large, glossy green leaves and prominent, often spherical or flattened flower clusters. These flowers can change color based on soil pH, ranging from pink to blue.
