Thuja (Arborvitae)
NameThuja (Arborvitae)
Scientific NameThuja occidentalis
Common NamesNorthern Whitecedar, Eastern Arborvitae, American Arborvitae, White Cedar
Plant FamilyCupressaceae
Natural HabitatThrives in cold, moist environments, commonly found in swamps, bogs, and along lake and river shores across its native range in eastern Canada and the northeastern United States.
Parts Usedleaf,bark
Medicinal Actionsantimicrobial,expectorant,anti-inflammatory,astringent
Traditional UsesHistorically used by Indigenous peoples for respiratory ailments like coughs and colds, skin conditions such as warts and fungal infections, and as a general tonic. It was also valued for treating fevers, rheumatism, and preventing scurvy.
Active ConstituentsThujone, borneol, fenchone, camphor, vitamin C, tannins, flavonoids
Preparation Methodsinfusion,tincture,essential_oil,poultice,decoction
Contraindications & WarningsInternal use is contraindicated for pregnant or breastfeeding women, individuals with epilepsy, or those with kidney disease due to the presence of thujone, which can be neurotoxic and abortifacient in high doses. Essential oil should never be ingested.
Cultivation NotesPrefers moist, well-drained, alkaline soils and can tolerate full sun to partial shade. It is a hardy species, well-suited to cold climates and often used for hedging or windbreaks.
Raritycommon
Description
A coniferous evergreen tree native to northeastern North America, characterized by flattened, scale-like leaves arranged in sprays and reddish-brown bark. It emits a distinctive aromatic scent, especially when crushed.
