The Complete Guide to Planting Boxwoods

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A vibrant boxwood tree growing in a lush, green park in Chișinău, Moldova.
Credit: pexels.com, A vibrant boxwood tree growing in a lush, green park in Chișinău, Moldova.

Planting boxwoods can be a bit tricky, but with the right guidance, you'll be on your way to creating a beautiful and lush landscape. Boxwoods are a popular choice for hedges and topiaries because they can be shaped and pruned to fit any space.

They thrive in well-draining soil and full sun to partial shade, making them versatile for various garden settings. In warmer climates, boxwoods can tolerate heat and humidity, but in cooler climates, they'll need some protection from frost and freezing temperatures.

Before planting, choose a location with good air circulation to prevent disease and pests. Boxwoods can grow up to 10 feet tall and 6 feet wide, so make sure to leave enough space for them to mature.

Before Planting

Before planting boxwoods, it's essential to choose the right location. Boxwoods can handle full sun to part shade, but if you live in an area with extreme heat, plant them in a spot that's shaded from hot afternoon sun.

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The soil should be easy to work in and have a slightly alkaline pH, between 6.8 and 7.5. You can amend the soil if necessary, but it's not always required, especially if the pH is already on target.

To prepare the soil, test it for pH and fertility, and add lime and fertilizer as recommended. If the soil is deficient in nutrient-rich topsoil, amend it by adding organic matter like aged bark, compost, or peat moss.

Here's a rough guide to the ideal pH range for boxwoods:

Site Selection

Before planting boxwood, it's essential to assess the site for its potential to thrive. Boxwood Blight is a significant threat to boxwood, and even resistant cultivars can be susceptible if planted in high-risk sites.

Choose sites that have had minimal to no Boxwood Blight in the past. This will give your boxwood the best chance to grow and thrive.

Good air movement is crucial to minimizing the chances of getting Boxwood Blight. Avoid planting close to buildings, trees, heavy shrubs, tall and thick perennials, or other objects that restrict air flow.

For more insights, see: Can You Plant Basil in the Ground

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Some direct sunlight is beneficial to fast drying, so choose a site that gets intermittent sunlight throughout the day. Morning sun and afternoon shade are ideal.

Here are some key factors to consider when selecting a site:

  • Choose sites with great air movement, such as the tops of hills.
  • Avoid planting close to buildings, trees, heavy shrubs, tall and thick perennials, or other objects which restrict air flow.
  • Avoid planting boxwood close to Boxwood Blight-susceptible cultivars.
  • Do not use overhead irrigation.

By considering these factors, you can create an ideal environment for your boxwood to grow and thrive.

Soil Preparation

Soil preparation is a crucial step before planting your boxwood. Test the soil for pH and fertility, and add lime and fertilizer as recommended.

To ensure a beautiful boxwood, fertile and well-drained soils are essential. Perform a soil test in advance of any bed preparation, and based on the results, modify the soil to achieve a pH in the range of 6.5 to 7.0.

If your soil is deficient of nutrient-rich topsoil, amend by adding organic matter in the form of aged bark, compost, peat moss, or other soil amendments. This will improve drainage, reduce compaction issues, add organic matter, and encourage root growth.

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In areas that have had considerable grading or renovation with heavy equipment, pay close attention that sufficient topsoil has not been removed. Renovations of existing areas or new plantings should include removal of unwanted existing plants and debris, the incorporation of soil amendments, and soil mixing.

Here's a summary of the ideal soil conditions for boxwood:

  • Test the soil for pH and fertility
  • Modify the soil to achieve a pH in the range of 6.5 to 7.0
  • Add lime and fertilizer as recommended
  • Add organic matter in the form of aged bark, compost, peat moss, or other soil amendments

By following these steps, you'll be well on your way to creating a healthy and thriving environment for your boxwood to grow.

Planting

Planting boxwoods can be a bit tricky, but don't worry, I've got you covered. Plant the boxwood so that the top of the root ball is about 2 inches higher than the surrounding soil surface. This will help with drainage and prevent water pooling around the roots.

You can plant boxwoods in raised beds to improve drainage and prevent water pooling. This is especially helpful in areas with heavy rainfall or poor soil drainage. Raised beds also make it easier to amend the soil and provide the right conditions for your boxwoods to thrive.

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Fall is a great time to plant boxwoods, as the roots can take advantage of the fall, winter, and spring precipitation before summer droughts. This will give your boxwoods a head start on establishing themselves.

Here are some key things to keep in mind when planting boxwoods:

  • Plant the boxwood so that the top of the root ball is about 2 inches higher than the surrounding soil surface.
  • Keep about 2 inches of the root ball above the original soil surface.
  • Backfill the hole with amended rich soil.
  • Mound the soil up to the edges of the root ball and lightly pack it to avoid leaving any air pockets.

By following these tips, you'll be well on your way to growing healthy, thriving boxwoods.

Post Planting

After planting your boxwood, it's essential to water it thoroughly to give it the best start. Water the entire root zone until the water drains out of the bottom of the hole.

To prevent water from pooling around the roots, plant the shrub slightly above soil level and mound extra soil around the crown. This will help the boxwood drain excess water and prevent root rot.

Watering your boxwood regularly, especially during the first 18 months after planting, is crucial. Allow the root zone to dry slightly between waterings, but never let the plant dry out completely. A good rule of thumb is to water about once a week during the hot summer months, and adjust as needed.

Here's a rough guide to watering your boxwood:

By following these watering tips, you'll be giving your boxwood the best chance to thrive and grow into a beautiful, healthy shrub.

Mulching

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Mulching is a great practice for many reasons. It helps retain moisture during dry summers, and keeps the soil cooler during hot weather.

The ideal amount of mulch to add varies depending on the year. In the first year, add about 1 inch, but in subsequent years, no more than 1/2 inch.

Mulch can be made from various organic sources, such as pine needles, hardwood or softwood bark, or chips. Aged mulch is best, as it slowly adds nitrogen to the soil.

One of the biggest benefits of mulching is minimizing the incidence and severity of Boxwood Blight. This is achieved by reducing splashing of spores from infected leaves on the ground.

To minimize Boxwood Blight, add a light layer of mulch every year, preferably in early Spring. This physical barrier prevents spores from traveling to new plants.

Here are some organic sources of mulch:

  • Pine needles
  • Hardwood or softwood bark
  • Chips
  • Another organic source

Watering

Watering your boxwood is crucial, especially during its first year after planting. It generally takes about 18 months for a boxwood to acclimate to a new site.

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A thorough soaking at the time of planting is the most important watering a boxwood will ever have. Be sure the entire root zone is thoroughly wetted.

Allow the root zone to begin to dry before re-watering, and don't overwater - boxwood tend to be fairly drought tolerant. Approximately 1 inch of natural precipitation or irrigation per week during the hot summers or extreme drought periods best insures healthy boxwood.

Here's a watering schedule to keep in mind:

  • Water once a week during the first 18 months after planting, particularly during hot and dry summers.
  • Monitor moisture levels during the winter, especially for new plantings.
  • Water about once a week during the winter to prevent root damage from cold temperatures.

Never allow your boxwood to dry to the point of showing stress, as they seldom recover. Watering the plant before a hard freeze helps fill any air space around the roots and acts as insulation.

How to Care for

Planting boxwoods is a great idea, and with the right care, they'll thrive in no time.

You can give your garden shears a break with the newer, more compact boxwood varieties, which require less pruning.

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Newly planted boxwoods need plenty of water to get established, so make sure to water them regularly, especially in dry weather.

Place a soaker hose around the shrubs and cover with mulch to help the water penetrate the soil.

Once established, most boxwood shrubs can handle dry spells, but it's still a good idea to water them during droughty conditions.

Applying fertilizer will help keep your boxwoods looking their best, so look for a slow-release nitrogen fertilizer and apply it annually in spring.

Boxwood Varieties

Boxwood varieties come in a range of sizes and growth rates, so it's essential to choose the right one for your space. Consider the ultimate desired size, shape, and growth rate of the boxwood, as well as its maintenance requirements.

Some boxwood varieties, like 'Greenmound', retain their bright green color even in the darkest winter days, while others may bronze more than others. To lessen winter bronzing, avoid direct afternoon sun exposure from the southwest, especially for varieties that bronze more.

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For those living in colder climates, look for boxwood varieties that are extra cold hardy, such as 'Greenmound', which thrives in Zones 4-8. Similarly, if you're in a region with harsh winters, choose a variety like 'Northern Beauty' English Boxwood, which grows in Zones 5-8.

Here are some key characteristics to consider when selecting a boxwood variety:

Remember to select a variety that suits your climate and sun exposure, and don't forget to consider the timing and intensity of sun in the area to be planted.

Types of

When choosing a boxwood variety, it's essential to consider the ultimate size and shape of the plant. This will help you determine how much space to allocate for it to grow.

Boxwood varieties come in different growth rates, ranging from slow to fast. You'll want to select a variety that fits your desired growth rate.

To envision what a boxwood garden will look like in 10-20 years, consider the 10-year size of the plant. This will give you a better idea of how much space to leave between each plant.

Credit: youtube.com, My 5 Favorite BOXWOOD Varieties

Some boxwood varieties are more susceptible to Boxwood Blight, which thrives in shady areas with little air movement. However, most boxwood varieties will do well in shady areas.

Here are some general guidelines for sun exposure:

  • Shady locations receive little or no direct sun
  • Part-sun locations are shaded from morning to afternoon but may receive direct sun anytime during the day
  • Sunny locations have bright sun from morning to afternoon

It's worth noting that most boxwood varieties prefer some afternoon shade to prevent winter bronzing.

Greenmound

I've grown quite fond of the 'Greenmound' Boxwood for its ability to retain its bright green color even in the darkest winter days. It's a compact variety that tops out at 3 feet tall and 4 feet wide.

This boxwood is a slow-growing option, perfect for those who want a low-maintenance landscape feature. It's also extra cold hardy, making it a great choice for gardeners in colder climates.

In fact, 'Greenmound' Boxwood thrives in Zones 4-8, providing a reliable and beautiful addition to any garden or landscape.

Morris Midget

The Morris Midget is a tiny cultivar of boxwood that grows remarkably slowly, increasing in size by only about half an inch each year.

This variety has a unique characteristic - it may bronze in full sun during the winter, but it will typically outgrow this discoloration.

If you're looking to grow a Morris Midget, you'll want to plant it in a zone with mild winters, ideally zones 6-8.

Northern Beauty

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Northern Beauty is a hardy English boxwood variety that grows 5 feet tall and wide. It's a great option for gardeners in colder climates.

This boxwood variety thrives in Zones 5-8, making it a good choice for gardeners in those areas. It's also worth noting that some boxwood varieties will bronze in winter more than others, so it's a good idea to check the specific needs of the variety you're growing.

To ensure your Northern Beauty boxwood stays healthy, make sure to provide some afternoon shade, especially if you're in a sunny location. All boxwood prefer some afternoon shade, and this will help prevent winter bronzing.

Here are some general guidelines for selecting a boxwood variety:

  • Consider the ultimate desired size and shape of your boxwood garden.
  • Think about the growth rate and maintenance requirements of the variety.
  • Anticipate the climate and sun exposure of the site where you'll be planting.

By following these guidelines and choosing a variety like Northern Beauty, you'll be well on your way to creating a beautiful and thriving boxwood garden.

Gardening Tips

Boxwoods are relatively low-maintenance, but they do require regular watering, especially during their first year of growth.

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They thrive in well-draining soil with a slightly acidic pH, between 6.0 and 6.5.

Make sure to plant them in a location with full sun to partial shade, as they can tolerate a range of light conditions but perform best in bright, indirect light.

Watering deeply once or twice a week should be sufficient, depending on weather conditions.

Pruning is essential to maintain their shape and promote healthy growth, and can be done at any time of the year.

How to Propagate

Propagating boxwood can be done with stem cuttings or seed, but either method requires patience.

You can propagate boxwood from stem cuttings in the spring. Take 4- to 6-inch cuttings from fresh, light-green growth.

Removing all foliage from the bottom half of the cuttings is essential. Dip them into rooting hormone to increase the chances of successful rooting.

Fill a 4-inch pot with good-quality potting soil and use a pencil to poke holes in the soil for each cutting. This size pot can root up to four cuttings when spaced equally apart.

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Water the cuttings and then enclose the entire pot inside a clear plastic bag. Place it in a warm, bright area, but not in direct sunlight.

Open the bag occasionally to ensure the potting medium remains moist. The cuttings should root in four to six weeks.

To test for rooting, gently tug on a leaf at the top of the cutting. Resistance indicates that rooting has occurred.

Once rooting has started, remove the plastic bag permanently and wait a few weeks for the cuttings to develop further.

Cottage Garden Plan

Cottage gardens are a great way to add some charm to your outdoor space. Stately delphiniums are the backbone of a colorful cottage garden plan.

Boxwood is often used to add some structure to these gardens, as it's easy to shape and maintain. I've seen it used in many a beautiful cottage garden.

Delphiniums come in a variety of colors, including vibrant blues and purples. They're a great choice for a cottage garden because they're relatively low maintenance.

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Boxwood is a versatile plant that can be used to create topiaries, hedges, or even just a simple border. It's a great way to add some texture and interest to your garden.

Delphiniums are also great for attracting pollinators to your garden. They're a favorite of bees and butterflies, which is always a bonus.

Incorporating boxwood and delphiniums into your cottage garden plan can add a touch of elegance and whimsy to your outdoor space.

Boxwood Alternatives

If you're looking to replace boxwood in your garden, there are some great alternatives to consider. You can choose from a variety of shrubs that offer similar benefits without the risk of boxwood blight.

Dystilium and dwarf arborvitae are two options that mimic the look and feel of boxwood without the problem of blight. They're also relatively low-maintenance and can thrive in a variety of conditions.

If you're looking for something a bit more unique, dwarf yaupon holly and Japanese holly like "Sky Pencil" are great options. They offer a similar shape and texture to boxwood, but with a more interesting twist.

For a more flowering alternative, consider abelia, azalea, camellia, or winter daphne. These shrubs will add a pop of color to your garden and attract pollinators.

Here are some popular boxwood alternatives:

  • Dystilium
  • Dwarf arborvitae
  • Dwarf yaupon holly
  • Japanese holly like “Sky Pencil”
  • Spreading yew
  • Abelia
  • Azalea
  • Camellia
  • Winter daphne

Light

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Light plays a crucial role in gardening, especially when it comes to boxwood varieties. Some boxwoods can take full sun to full shade, while others suffer from burning and bronzing in too much sun.

Boxwood varieties have different sunlight needs, so it's essential to consult the information tag before purchasing and planting to ensure you're choosing an appropriate site.

Too much sun can be detrimental to some boxwood varieties, causing them to suffer from burning and bronzing.

Here's an interesting read: Boxwoods for Full Sun

Temperature and Humidity

Boxwood plants are hardy in Zones 4-8, although some varieties can't handle the cold temperatures in Zone 4.

In the hottest climates, boxwood needs extra water and some shade to thrive. This is especially important during hot summer days when the plant can quickly dry out.

Boxwood tolerates a wide range of humidity levels, making it a great choice for gardens with varying moisture conditions.

However, in cold climates, stem tips may die back unless the boxwood is protected with loosely wrapped burlap tied with twine.

Frequently Asked Questions

How do you prepare soil for boxwoods?

To prepare soil for boxwoods, add organic matter to improve drainage and prevent waterlogged soil. Planting on a berm can also help ensure your boxwoods thrive in well-draining conditions.

Hallie Guidotti

Junior Writer

Hallie Guidotti is a passionate writer with a talent for creating engaging content. Growing up in a small town, she learned the value of hard work and perseverance from her parents. This work ethic has served her well as she pursues her dream of becoming a successful blogger.

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