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Thuja Plant Size:
Get the Right Size for You

Updated: July 23, 2023

When it comes to landscaping, one of the most popular choices among homeowners is the Thuja plant. Also known as arborvitae, this evergreen shrub is loved for its elegant appearance and ability to provide privacy. However, before you rush to the nursery to purchase a Thuja plant, it’s important to understand that these plants come in various sizes. To ensure that you get the right size for your specific needs, it’s essential to consider factors such as space availability, maintenance requirements, and budget.

Choosing the Right Size

Thuja plants are available in different sizes, ranging from small shrubs to towering trees. The size you choose should depend on your desired purpose and the available space in your garden. Here are some factors to consider when selecting the right size for your Thuja plant:

1. Privacy Needs

One of the main reasons homeowners opt for Thuja plants is their ability to create a natural privacy screen. If you have a small backyard or limited space, choosing smaller-sized Thuja varieties like ‘Emerald Green’ or ‘Little Giant’ can be a great option. These compact varieties can reach a height of around 4-6 feet and provide adequate privacy without overpowering your outdoor space.

On the other hand, if privacy is a top concern and you have ample space available, larger Thuja varieties like ‘Green Giant’ or ‘Techny’ can grow up to 30 feet tall and create a dense barrier between your property and the outside world.

2. Space Availability

Before choosing a Thuja plant size, it’s crucial to evaluate the available space in your garden. Consider both vertical and horizontal space requirements. Smaller gardens may benefit from dwarf or compact Thuja varieties that grow upwards without spreading too much. These types of Thuja plants are perfect for planting in containers or narrow spaces.

If you have a larger garden, you can opt for taller and wider Thuja cultivars. These plants can serve as focal points and anchor your landscape design. However, ensure that you provide enough space for them to grow without crowding out other plants in your garden.

3. Maintenance

Thuja plants require regular maintenance, including pruning and trimming. Larger Thuja varieties tend to grow at a faster rate and may require more frequent maintenance to keep them in shape. If you have limited time for gardening or prefer low-maintenance plants, choosing a smaller-sized Thuja variety can save you both time and effort.

It’s important to note that while smaller Thuja plants may require less maintenance, they may also be more susceptible to damage from extreme weather conditions. Taller Thuja varieties, on the other hand, are generally hardier and more resistant to wind and snow.

4. Budget

Another factor to consider when selecting the right size for your Thuja plant is your budget. Larger Thuja varieties are generally more expensive than their smaller counterparts due to their longer growth period and increased demand. If you’re working with a limited budget, opting for a smaller-sized Thuja plant can be a cost-effective choice.

Popular Thuja Varieties and Sizes

Now that you know what factors to consider when choosing the right size for your Thuja plant, let’s explore some popular varieties and their sizes:

  1. Thuja occidentalis ‘Emerald Green’ – This compact variety is known for its vibrant green foliage and narrow shape. It typically grows to a height of 10-15 feet and spreads up to 3-4 feet wide.

  2. Thuja occidentalis ‘Techny’ – A fast-growing variety that can reach heights of 10-15 feet with a spread of 6-8 feet. It features dense dark green foliage and is ideal for creating a privacy screen.

  3. Thuja plicata ‘Green Giant’ – Considered one of the tallest Thuja varieties, ‘Green Giant’ can reach heights of 30-40 feet with a spread of 12-20 feet. It grows at a rapid rate and is perfect for larger properties.

  4. Thuja occidentalis ‘Little Giant’ – As its name suggests, this dwarf variety only grows to a height of 2-3 feet with a spread of 1-2 feet. It’s an excellent choice for small gardens or as a container plant.

Conclusion

Choosing the right size for your Thuja plant is crucial to ensure that it fits well in your landscape and meets your specific needs. Consider factors such as privacy requirements, available space, maintenance preferences, and budget before making a decision. By carefully evaluating these factors and selecting the appropriate size, you can enjoy the beauty and benefits of Thuja plants in your garden for years to come.