How to Prune Boxwood for a Natural, Healthy Shape
Boxwood is one of the most popular landscape shrubs because of their dense evergreen foliage and versatility. While many boxwood are regularly sheared into formal shapes, selective pruning can create a healthier plant with a more natural appearance.
The goal of selective pruning is to reduce the size of the shrub while maintaining its natural rounded form. Instead of trimming all the outer growth evenly with hedge shears, individual branches are cut back to a point where smaller branches are already growing. This allows the shrub to maintain its shape without looking heavily pruned.
When making cuts, look for the tallest or most wayward branches and follow them back to a point where other stems branch out. Make the cut just above that branching point. The remaining side branches will continue growing and fill in the space naturally. This technique reduces the size of the shrub without leaving visible pruning scars.
One advantage of this method of intentional pruning is that it preserves the plant's appearance. A well-pruned boxwood should not look freshly cut. In most cases, it should be difficult to tell where cuts were made because they are hidden within the shrub's canopy.
Selective pruning also improves plant health. By thinning some of the interior growth, more air can circulate through the shrub. Good air movement helps foliage dry more quickly and can reduce conditions that favor certain diseases. In contrast, repeated shearing often creates a dense outer shell of foliage that restricts airflow and can increase disease and insect problems.
Timing is important when pruning boxwoods. For many regions, mid-spring is an ideal time, after new growth is an inch or two long and the plant is actively growing. This allows the shrub to recover quickly and produce fresh growth throughout the season. In warmer areas, pruning may be done around May, while gardeners in cooler climates may wait until late May or early June.
If a boxwood has become much larger than desired, reduction pruning can gradually bring it back to the size you want. Rather than removing large amounts of growth at once, it is generally best to remove no more than about one-third of the plant in a single year. Significant size reductions may require several seasons to achieve.
Pruning is a skill that develops with practice. Even experienced gardeners occasionally remove a branch they wish they had left. Fortunately, boxwoods are resilient shrubs and typically recover well from thoughtful pruning and even occasional mistakes. Over time, selective pruning encourages dense branching, improves plant structure, and helps maintain a healthy, attractive shrub.
Once established, boxwoods generally require little additional care besides pruning. Fertilizer is often unnecessary unless a soil test indicates a need. During dry periods, consistent watering is usually the most beneficial follow-up care, helping the plant remain vigorous and continue producing healthy new growth.
Related Videos:
Boxwood
Boxwood
Related Resources:
Boxwood
Boxwood Culture and Diseases - Including Boxwood Blight
Pruning Boxwoods
The goal of selective pruning is to reduce the size of the shrub while maintaining its natural rounded form. Instead of trimming all the outer growth evenly with hedge shears, individual branches are cut back to a point where smaller branches are already growing. This allows the shrub to maintain its shape without looking heavily pruned.
When making cuts, look for the tallest or most wayward branches and follow them back to a point where other stems branch out. Make the cut just above that branching point. The remaining side branches will continue growing and fill in the space naturally. This technique reduces the size of the shrub without leaving visible pruning scars.
One advantage of this method of intentional pruning is that it preserves the plant's appearance. A well-pruned boxwood should not look freshly cut. In most cases, it should be difficult to tell where cuts were made because they are hidden within the shrub's canopy.
Selective pruning also improves plant health. By thinning some of the interior growth, more air can circulate through the shrub. Good air movement helps foliage dry more quickly and can reduce conditions that favor certain diseases. In contrast, repeated shearing often creates a dense outer shell of foliage that restricts airflow and can increase disease and insect problems.
Timing is important when pruning boxwoods. For many regions, mid-spring is an ideal time, after new growth is an inch or two long and the plant is actively growing. This allows the shrub to recover quickly and produce fresh growth throughout the season. In warmer areas, pruning may be done around May, while gardeners in cooler climates may wait until late May or early June.
If a boxwood has become much larger than desired, reduction pruning can gradually bring it back to the size you want. Rather than removing large amounts of growth at once, it is generally best to remove no more than about one-third of the plant in a single year. Significant size reductions may require several seasons to achieve.
Pruning is a skill that develops with practice. Even experienced gardeners occasionally remove a branch they wish they had left. Fortunately, boxwoods are resilient shrubs and typically recover well from thoughtful pruning and even occasional mistakes. Over time, selective pruning encourages dense branching, improves plant structure, and helps maintain a healthy, attractive shrub.
Once established, boxwoods generally require little additional care besides pruning. Fertilizer is often unnecessary unless a soil test indicates a need. During dry periods, consistent watering is usually the most beneficial follow-up care, helping the plant remain vigorous and continue producing healthy new growth.
Related Videos:
Boxwood
Boxwood
Related Resources:
Boxwood
Boxwood Culture and Diseases - Including Boxwood Blight
Pruning Boxwoods