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Boxwoods enjoy partial sun, about 4 to 6 hours per day. They will tolerate full sun but like protection from the hottest rays in the afternoon. They are not picky about soil types and will do well with soil pH from slightly acidic to slightly alkaline. 

Drainage is a must, however. Poorly drained sites are not suitable for these shrubs. Most species and varieties are hardy in USDA zones 5 to 9, although some hybrids are available that are hardy down to zone 4. 

Boxwoods are susceptible to winter burn damage if planted in a windy spot. Plants on sites with a south or southwest exposure are most likely to suffer issues. To help reduce the chance of winter injury, provide a windbreak from harsh winter winds.

When to Plant Boxwoods

Like other trees and shrubs, the best time to plant boxwoods is in spring or early summer. Containerized stock can be transplanted throughout the growing season, but try to get them in the ground at least six weeks before the ground starts to freeze to let them establish their root system. In warmer climates, fall planting is also a possibility. 

How to Plant Boxwoods

Boxwoods planted for a hedge or border planting need to be grouped closely together. Half the mature width apart will provide a dense, well-knit effect. Boxwoods that reach four feet wide at maturity should be planted two feet apart to provide that smooth, manicured privacy screen or border. 

Plants that will be specimen or accent shrubs can be planted with standard spacing to allow air circulation and a more open, loose shape.

• Dig a hole twice as wide as the rootball and slightly deeper. It should resemble a shallow bowl, not a well.
• When setting the plant in the ground, the crown should be slightly higher in the soil than in the nursery pot. Planting boxwoods too deep can allow water ponding on the surface, which may lead to root rot issues. Place the rootball in the hole and adjust with soil until it’s at the correct depth.
• If the roots are heavily circled or overgrown, you may need to loosen them first. Use a handheld garden tool to cut any girdling roots and loosen the root ball.
• Set your boxwood in the hole and begin backfilling with the soil you removed. Be sure to firm the soil to eliminate air pockets around the roots.
• Water your new plant well.
• Mulch thickly, about 3-4 inches deep, around the base, but don’t mound the mulch around the stem. Mulch touching the stem can sometimes lead to rot and disease.
• Taller, older shrubs purchased from a nursery may need staking for the first year, as they can be top-heavy.