Description: Wintergreen Boxwood (Buxus sinica var. insularis ‘Wintergreen’) is an evergreen shrub with dense, dark green foliage that maintains excellent winter color. Forms a naturally rounded shape with consistent growth.

History & Origin: Developed in the mid-20th century at Sheridan Nurseries in Ontario, Canada. Selected specifically for its superior winter color retention and cold hardiness. The parent species, Buxus sinica var. insularis, is native to Korea and parts of China, where it has been cultivated for centuries. This cultivar was bred to withstand harsh winter conditions while maintaining the classic boxwood appearance prized in formal gardens since the Roman era.

Care Instructions:
Sunlight: Full sun to partial shade.
Soil: Well-draining, slightly acidic to alkaline.
Watering: Regular watering until established.
Fertilization: Spring fertilization with balanced fertilizer.
Pruning: Light pruning in late winter/early spring.
Pests/Diseases: Monitor for boxwood blight and leaf miners.

Other Details:
USDA Zones: 4-9.
Temperature: -20°F to 90°F.
Humidity: Adaptable.
Mature Size: 3-4 feet tall and wide.
Growth Rate: Slow.
Uses: Formal hedges, borders, topiary.