Boxwoods ( Buxus spp.) are popular landscaping choices prized for their versatility, dense foliage, and ability to tolerate pruning. Whether you're creating a formal hedge, a whimsical topiary, or simply adding some evergreen structure to your garden, proper spacing is crucial for healthy growth and aesthetic appeal. Planting them too close can lead to overcrowding, disease, and stunted growth, while planting them too far apart leaves unsightly gaps. So, how far apart should you plant boxwoods? The answer depends on several factors.
Factors Affecting Boxwood Spacing
Several factors influence the ideal spacing for your boxwoods:
1. Mature Size:
This is arguably the most important factor. Different boxwood varieties reach different mature sizes. Some remain compact, while others can grow quite large. Check the plant tag or a reputable online resource for the expected mature height and width of your chosen cultivar. Always plan for the mature size, not the size of the plant you're buying.
2. Planting Purpose:
- Formal Hedges: For a dense, quickly established hedge, plant boxwoods more closely together (1-2 feet apart). This allows them to fill in quickly and create a solid wall of greenery.
- Informal Hedges or Foundations: For a less formal look, spacing of 2-3 feet provides a more natural appearance.
- Specimen Plants: If you're planting boxwoods as individual specimen plants, you can space them further apart, depending on their mature size.
3. Soil and Growing Conditions:
Well-drained soil and ample sunlight (or partial shade, depending on the cultivar) promote stronger growth. In ideal conditions, boxwoods may grow slightly faster, requiring slightly more spacing. Poor soil conditions might lead to slower growth, allowing you to plant slightly closer together.
Recommended Spacing Guidelines for Boxwoods
Here's a general guide, keeping in mind that these are guidelines and may need adjustment based on the factors discussed above:
- Small Boxwoods (under 3 feet mature height): 18-24 inches apart.
- Medium Boxwoods (3-5 feet mature height): 2-3 feet apart.
- Large Boxwoods (over 5 feet mature height): 3-4 feet apart.
Remember: It’s always better to err on the side of slightly more space than less, as you can always prune to maintain desired size and shape. Overcrowded boxwoods are much harder to rectify.
Planting Techniques for Success
Proper planting techniques complement appropriate spacing and ensure healthy boxwood growth.
- Prepare the Soil: Amend heavy clay soil with organic matter to improve drainage.
- Dig Ample Holes: Make sure the planting holes are twice as wide as the root ball, allowing for easy root expansion.
- Water Thoroughly: Water deeply after planting to help settle the roots.
- Mulch: Apply a layer of mulch around the base of each plant to retain moisture and suppress weeds.
Maintaining Your Boxwood Planting
Regular maintenance will also help your boxwoods thrive, no matter the spacing. This includes regular watering, fertilization, and pruning. Pruning is especially important to maintain shape and prevent overcrowding in closer plantings.
By carefully considering the factors above and following these guidelines, you can ensure your boxwoods grow into a beautiful and healthy part of your landscape for years to come.
