Thuja plant, Thuja occidentalis, is also known as White Cedar and Abor-vitae. Topical use against fungal infections and warts. Herb is expectorant and anti-rheumatic. Used as shelter belts, windbreaks and for landscaping. Thuja plant is native to eastern and central North America and prefers moist, well drained soils in a protected, sunny position. Frost and drought tolerant. Evergreen perennial, growing to 15m.