Hydrangea nahaensis
Image: anschieber (cc-by-nc)
NameHydrangea nahaensis
Scientific NameHydrangea macrophylla
Common NamesBigleaf Hydrangea, French Hydrangea, Mophead Hydrangea, Lacecap Hydrangea
Plant FamilyHydrangeaceae
Natural HabitatNative to Japan and China, this plant thrives in woodlands, forest edges, and along streams, preferring moist, well-drained soils and partial shade.
Parts Usedroot,leaf
Medicinal Actionsdiuretic,anti-inflammatory
Traditional UsesTraditionally, the root of Hydrangea macrophylla has been used to address urinary tract issues, including kidney and bladder stones, bladder infections, and prostate enlargement. It has also been employed for conditions like rheumatism and gout due to its anti-inflammatory properties.
Active Constituentshydrangin, saponins, flavonoids, volatile oils
Preparation Methodsdecoction,tincture
Contraindications & WarningsLarge doses can cause gastrointestinal upset, including nausea, vomiting, and diarrhea. It should be avoided by pregnant or breastfeeding women and used with caution by individuals with kidney disease, always under professional guidance.
Cultivation NotesPrefers partial shade and consistently moist, well-drained soil. Soil pH influences flower color; acidic soil promotes blue flowers, while alkaline soil results in pink. Requires protection from harsh winter conditions in colder climates.
Raritycommon
Description
Hydrangea macrophylla is a deciduous shrub characterized by its large, ovate, serrated green leaves and prominent, often globe-shaped or flat-topped flower clusters. The flowers, which can be pink, blue, or white, are known to change color based on soil pH.
