Report this app


Thuja Green Giant is a popular evergreen tree that is commonly used as a hedge or screen in landscaping. Its scientific name is Thuja standishii x plicata ‘Green Giant,’ and it is a hybrid cross between two other Thuja species, the Japanese Thuja (T. standishii) and the Western Red Cedar (T. plicata).

Thuja Green Giant


Thuja Green Giant, scientifically known as Thuja standishii x plicata, is a fast-growing evergreen tree that has become a popular choice in landscaping projects. Known for its rapid growth, vibrant green foliage, and versatile applications, the Thuja Green Giant has earned its reputation as a reliable and visually appealing addition to gardens and properties. In this exploration, we delve into the world of Thuja Green Giant, examining its characteristics, cultivation, and the multitude of benefits it offers to landscapes.

I. The Botanical Marvel of Thuja Green Giant

Genetic Origins: A Hybrid Wonder

Thuja Green Giant is a hybrid of two Thuja species, T. standishii and T. plicata, combining the best characteristics of both parents. This hybridization has resulted in a tree that boasts the rapid growth of T. standishii and the hardiness of T. plicata. The resulting genetic blend gives Thuja Green Giant its resilience and adaptability to various soil and climate conditions.

Foliage and Growth: Dense and Rapid

One of the standout features of Thuja Green Giant is its lush, dense foliage. The scale-like leaves are vibrant green, creating a year-round display of verdant beauty. This evergreen quality makes Thuja Green Giant an attractive choice for those seeking consistent greenery in their landscapes. Furthermore, its growth rate is impressive, with the potential to reach heights of 60 feet or more within a relatively short span of time. This rapid growth makes it an excellent choice for homeowners and landscapers looking to establish privacy screens or windbreaks quickly.

II. Cultivating Thuja Green Giant

Sunlight and Soil: Ideal Growing Conditions

Thuja Green Giant thrives in full sunlight, although it can tolerate partial shade. To maximize its growth potential and maintain its dense foliage, plant it in a location that receives at least six hours of direct sunlight each day. In terms of soil, Thuja Green Giant is adaptable and can grow in various soil types, but it prefers well-draining soil. Regular watering, especially during dry periods, aids in its establishment and encourages robust growth.

Planting and Spacing: Creating Effective Screens

When planting Thuja Green Giant for privacy screens or windbreaks, consider the spacing requirements for optimal growth and coverage. Plant the trees approximately 5 to 8 feet apart to allow them to form a continuous, dense barrier over time. Proper spacing ensures that each tree receives sufficient sunlight and allows for better air circulation, reducing the risk of disease.

Mulching and Fertilizing: Supporting Healthy Growth

Applying a layer of mulch around the base of Thuja Green Giant helps retain soil moisture, regulate temperature, and suppress weed growth. Mulching is particularly beneficial during the tree’s early years when it is establishing its root system. Fertilization should be performed in early spring, using a balanced, slow-release fertilizer. This supports healthy growth and enhances the tree’s overall vigor.

III. Benefits and Applications of Thuja Green Giant

Privacy Screens: Nature’s Green Barrier

One of the primary applications of Thuja Green Giant is creating privacy screens. Due to its rapid growth and dense foliage, it serves as an effective natural barrier, shielding properties from neighboring views. Whether planted along property lines or around outdoor living spaces, Thuja Green Giant provides an aesthetically pleasing and environmentally friendly solution for enhancing privacy.

Windbreaks: Natural Protection

The rapid growth and robust nature of Thuja Green Giant make it an excellent choice for windbreaks. When strategically planted, these evergreen trees act as a natural barrier, helping to reduce wind speed and protect structures, gardens, and other vulnerable elements in the landscape. Windbreaks contribute to a more comfortable outdoor environment and can even have energy-saving benefits for homes by reducing heating costs during the winter.

Landscaping Focal Points: Versatile Design Element

Beyond its utilitarian purposes, Thuja Green Giant is valued for its versatility in landscaping design. Its pyramidical shape, vibrant green foliage, and adaptability to pruning make it suitable for creating focal points in gardens, along driveways, or as part of larger landscape designs. The evergreen nature of the tree ensures that it maintains visual interest throughout the year.

IV. Maintenance and Pruning Tips

Pruning for Shape and Density

While Thuja Green Giant has a naturally conical shape, selective pruning can be employed to enhance its form and density. Early in its growth, shaping the tree with light pruning can encourage a more uniform structure. As the tree matures, periodic pruning can help maintain its desired shape, remove dead or damaged branches, and improve overall air circulation within the canopy.

Pest and Disease Management

Thuja Green Giant is generally resistant to many pests and diseases, contributing to its low-maintenance nature. However, occasional monitoring for potential issues, such as bagworms or spider mites, is recommended. In the event of an infestation, prompt action through insecticidal treatments or horticultural oils can help mitigate the problem.

V. Conclusion: Thuja Green Giant in Modern Landscapes

Environmental Benefits and Sustainable Landscaping

Thuja Green Giant’s rapid growth and ability to form dense barriers contribute to sustainable landscaping practices. In addition to its aesthetic appeal and functional uses, the tree offers environmental benefits such as improved air quality, habitat for wildlife, and erosion control. Its adaptability to various climates and soil types further enhances its role in promoting green and resilient landscapes.

Versatility and Enduring Appeal

Thuja Green Giant, with its genetic lineage, rapid growth, and versatile applications, has established itself as a staple in modern landscapes. Whether serving as a privacy screen, windbreak, or a focal point in garden designs, the tree’s enduring appeal lies in its vibrant greenery, resilience, and contribution to creating sustainable and visually pleasing outdoor spaces. As Thuja Green Giant continues to grace gardens and properties, it stands as a testament to the enduring allure of well-chosen and well-cultivated trees in contemporary landscaping.

Here are some key characteristics and features of the Thuja Green Giant:

Rapid Growth:

One of the main attractions of the Thuja Green Giant is its fast growth rate. It can grow up to 3 feet or more per year under optimal conditions, making it an excellent choice for creating a quick privacy screen.

Evergreen Foliage:

The tree retains its green foliage throughout the year, providing year-round privacy and a lush appearance. The foliage consists of scale-like leaves arranged in flattened sprays.

Thuja Green Giant

Pyramidal Shape:

The Thuja Green Giant typically has a narrow, conical or pyramidal shape. This natural form makes it well-suited for use as a windbreak, privacy screen, or as a specimen tree.


It is adaptable to a variety of soil types and pH levels, and it can tolerate both full sun and partial shade. This adaptability contributes to its widespread use in different landscapes.

Thuja Green Giant

Disease Resistance:

Thuja Green Giant is known for its resistance to common diseases that affect other types of arborvitae. However, like any plant, it may still be susceptible to certain pests or diseases under certain conditions.

Low Maintenance:

Once established, Thuja Green Giant is relatively low-maintenance. It may benefit from occasional pruning to maintain its shape or reduce its size if necessary.

Wind Resistance:

The dense foliage of the Thuja Green Giant provides effective windbreak, making it a suitable choice for planting in areas where wind protection is desired.

Due to its characteristics, Thuja Green Giant is often used in residential and commercial landscaping projects to create living fences, windbreaks, or as a backdrop for other plants. It’s essential to provide proper spacing when planting to allow for its growth and to ensure optimal health.

Leave a Reply

Your email address will not be published. Required fields are marked *