How big do box trees get?

Box trees, also known as Buxus sempervirens, are slow-growing, evergreen trees that can add a touch of elegance to any garden or landscape. As an experienced gardener and landscaping expert, I have had the pleasure of working with box trees in various settings, and I can confidently say that they are a versatile and beautiful addition to any outdoor space.

When it comes to the size of box trees, there are a few factors to consider. Firstly, box trees can be pruned and shaped to suit your desired height and width. This makes them a popular choice for formal hedges, topiaries, and boundary plantings. With regular pruning, box trees can be maintained at a specific size, whether you prefer a compact hedge or a taller, more statuesque shape.

In their natural state, box trees can grow to be quite large. They typically reach a height of 15 to 20 feet (4.5 to 6 meters) and have a spread of about 10 to 15 feet (3 to 4.5 meters). However, it’s important to note that box trees are slow growers, so it may take many years for them to reach their full size. This slow growth rate is actually one of the reasons why box trees are often chosen for formal hedges and topiaries, as they can be easily shaped and controlled over time.

If you’re considering planting box trees in your garden or landscape, it’s important to give them ample space to grow. While they can be pruned to a smaller size, box trees thrive when they have room to spread their branches and develop a full, lush canopy. When planting, make sure to space box trees at least 3 to 4 feet (1 to 1.2 meters) apart to allow for proper growth and airflow.

One of the great things about box trees is their ability to adapt to different soil types and growing conditions. They can tolerate both full sun and partial shade, making them suitable for a range of garden settings. However, they do prefer well-draining soil that is rich in organic matter. Adding compost or well-rotted manure to the planting hole can help improve the soil’s fertility and drainage, which in turn promotes healthy growth.

In terms of maintenance, box trees are relatively low-maintenance once established. Regular pruning is necessary to maintain their shape and size, but they are not heavy feeders and generally do not require extensive fertilization. However, providing a balanced slow-release fertilizer in early spring can help promote healthy growth and vibrant foliage.

I have personally witnessed the beauty and versatility of box trees in different landscapes. From formal gardens to more naturalistic settings, box trees never fail to add a touch of elegance and structure. Whether used as a hedge, topiary, or standalone specimen, their compact and dense foliage creates a sense of order and sophistication.

Box trees can grow to be quite large in their natural state, reaching a height of 15 to 20 feet (4.5 to 6 meters) and spreading about 10 to 15 feet (3 to 4.5 meters). However, with regular pruning and shaping, they can be maintained at a smaller size to suit your specific needs and preferences. Their adaptability to different growing conditions and low-maintenance nature make them a popular choice for both professional landscapers and gardening enthusiasts alike. So, if you’re looking to add a touch of elegance and structure to your outdoor space, consider planting box trees and watch them grow into a beautiful addition to your garden.

Photo of author

Caroline Bates

Caroline is a Miami-based landscaper who specializes in drought-tolerant landscapes. She is the mother of two young children and also enjoys writing for GreenPacks.org in her spare time. Caroline takes great pride in her work, and loves being able to share her knowledge with others through her writing.