Home / #15 Thuja x Green Giant/ Pyramidal Western Arborvitae
SCIENTIFIC NAME: Thuja standishii x plicata 'Green Giant' (a cross between the western red cedar and Japanese arborvitae)
COMMON NAME: Green Giant Arborvitae
GARDEN SIZE: up to 25 to 30 ft. tall, 8 to 10 ft. wide in 10 years; 50 to 60 ft. tall with time
GROWTH RATE: fast, up to 3-4 ft per year in ideal conditions
USDA ZONE: 4-8
EXPOSURE: Full sun (6 or more hours of sun per day, ideally light afternoon shade)
WATER & SOIL: Average, well-drained soil; will need additional water in times of drought
HABIT (FORM): uniform conical
FOLIAGE: Evergreen, scale-like needles with green foliage
CARE: Fertilize once in the spring after the last freeze, and again in the fall at least a month before the first freeze with a mild evergreen fertilizer such as Holly-tone.
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