Arborvitae Green Giant (Thuja standishii x plicata)

Arborvitae Green Giant (Thuja standishii x plicata)

Arborvitae Green Giant (Thuja standishii x plicata): The Fast-Growing Privacy Screen

The Arborvitae Green Giant is a popular choice among homeowners and landscapers alike, primarily for its rapid growth rate and dense foliage. This evergreen stands tall and proud, offering both beauty and functionality to any landscape.


  • Appearance: Dense, rich green foliage that remains vibrant throughout the year.
  • Height & Spread: Can reach heights of 50-60 feet and a spread of 12-20 feet.
  • Growth Rate: One of the fastest-growing evergreens, with an average of 3-5 feet per year.

Planting and Care:

  • Soil: Prefers moist, well-draining soil but is adaptable to various soil types.
  • Sunlight: Full sun to partial shade.
  • Watering: Regular watering is essential, especially during dry periods.
  • Pruning: Minimal pruning required. If desired, prune in the early spring before new growth begins.
  • Fertilization: Apply a balanced, slow-release fertilizer in early spring.

Irrigation Recommendations:

For young Arborvitae Green Giants, water deeply once a week. As they mature, reduce watering to every 2-3 weeks, ensuring the soil remains moist but not soggy.

Common Pests & Diseases:

While generally disease-resistant, they can sometimes be affected by bagworms. Regular inspection and prompt treatment can prevent infestations.

Landscaping Uses:

Due to its tall and dense growth, the Arborvitae Green Giant is ideal for privacy screens, windbreaks, and sound barriers. It’s also used as a specimen tree or in a row for a formal look.

Frequently Asked Questions:

  • Q: How far apart should I plant Arborvitae Green Giants for a privacy screen?
  • A: For a dense screen, plant them 5-6 feet apart. For a more spaced look, 8-10 feet apart is ideal.
  • Q: Are Arborvitae deer resistant?
  • A: While no plant is entirely deer-proof, Arborvitae Green Giants are less palatable to deer compared to other plants.
  • Q: When is the best time to plant Arborvitae Green Giant?
  • A: Early spring or early fall is the best time to plant, allowing the tree to establish its roots before extreme weather conditions.


The Arborvitae Green Giant is a testament to nature’s grandeur and resilience. With proper care, this evergreen can serve as a majestic and functional addition to any landscape.

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