Asked by: Apryl Lacey
home and garden landscaping

How big do Japanese boxwoods grow?

Last Updated: 4th May, 2020

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The Japanese Boxwood is a compact and dense shrub that will grow to about eight feet tall and spread about six feet. The Common Boxwood also has dense growth, but can grow into a small tree, and can be up to 30 feet tall.

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Also question is, how fast does Japanese boxwood grow?

Japanese Boxwood In full shade the plants are water thrifty and can grow all summer with no supplemental water. Although boxwoods are slow-growing shrubs, Japanese box is the fastest growing variety, reaching its mature size in three to five years.

Additionally, how do Japanese boxwoods grow? Plant Japanese boxwood 3 feet apart in a row to create a hedge. For a more informal planting, stagger boxwood shrubs, leaving at least 3 feet between them. Fall and spring are the best times to plant new shrubs. In mild climates where winter frosts are light, you can plant at any point throughout the winter.

Furthermore, how big do boxwoods grow?

Tallest Boxwoods Hardy in U.S. Department of Agriculture plant hardiness zones 5 through 8 -- again depending on the cultivar -- mature common boxwood plants can reach a maximum average height of around 20 feet. More commonly, however, they grow to a height of between 10 and 15 feet.

How late can you plant boxwoods?

The ideal time to plant boxwoods is during the late fall, late winter or the early part of the spring. Avoid planting at times of the year when temperatures are at their most extreme. This gives the boxwood time to become established before winter temperatures drop and spring temperatures rise.

Related Question Answers

Virginie Timmermann

Professional

What is the best fertilizer for boxwoods?

The ideal fertilizer for boxwood is a 10-6-4 urea fertilizer in granular form. Apply fertilizer over mulch in the recommended dosage, taking care not to allow it to come in contact with the shallow roots of the boxwood -- direct contact can damage roots, cause foliage to brown and trigger the death of branches.

Al Matheus

Explainer

How long do Japanese boxwoods live?

It grows at a slow rate, and under ideal conditions can be expected to live for approximately 30 years. This shrub does best in full sun to partial shade. It prefers to grow in average to moist conditions, and shouldn't be allowed to dry out. It is not particular as to soil type or pH.

Vinicio Vichi

Explainer

How far apart should you plant boxwoods?

Plant boxwoods in fall so the shrubs can produce new roots over the winter. Planting holes for boxwood hedges should be two to three feet apart, and each hole should be as deep as and twice as wide as the root ball.

Jamaa Shalavin

Explainer

Do boxwoods need to be covered in winter?

Evergreens such as boxwoods may lose moisture from their leaves in winter faster than their roots can replace it from frozen soil. They are especially vulnerable to drying out in freezing temperatures and cold winds. It is generally not necessary to protect boxwoods with burlap except in certain circumstances.

Demetrius Lindemeier

Pundit

Do boxwoods need full sun?

Although boxwood will grow in full sun, some varieties are prone to losing their green color. Most boxwood prefer to grow in part shade, such as the dappled light shining through overhanging foliage or a few hours of direct sunlight in the morning or afternoon. Certain varieties will tolerate heavy shade.

Darcel Ciero

Pundit

Are boxwoods fast growing?

Japanese boxwoods look very similar to Korean boxwoods (Buxus sinica), and both are extremely popular because they are fast growing and can tolerate heavy frosts much better than English and American ones. They also are more compact and can grow to about 8 feet tall and about 6 feet wide.

Lien Travanca

Pundit

Do boxwoods spread?

Mature Height/Spread
Common or American boxwood (B. sempervirens) is a wide-spreading shrub or small tree with dense, evergreen foliage. Littleleaf or Japanese boxwood (B. microphylla) is a low-growing, evergreen shrub, which only reaches a height of 4 feet and a spread of 4 feet.

Hichem Svejda

Pundit

What are the smallest boxwoods?

Buxus sempervirens 'Suffruticosa'
A small, rounded evergreen shrub that forms tufts of growth resembling a cloud if left unpruned. The slow growing, dwarf form is ideal for edging and borders along pathways or around flower beds.

Delcy Billharz

Pundit

What can I plant next to boxwoods?

Good companion plants with textural contract include thyme, hosta, lady's mantle, lirope, germander, rosemary or sage. Combine boxwood with low-growing shrubs with yellow or dark-colored foliage. This will add both color and texture. If the shrubs flower or produce berries, that creates even more interest.

Irma El Yemlahi

Teacher

Can you keep boxwoods small?

Miniature boxwoods generally grow wider than their height. Boxwoods such as Buxus microphylla japonica can be kept to 6 inches tall, although this boxwood grows 4 to 6 feet tall when left unclipped. Use the narrower spacing for a 6-inch-high hedge and the wider spacing for 2-foot-tall hedges.

Aide Meincken

Teacher

Are boxwoods poisonous to dogs?

The entire tree is poisonous, both orally and topically, so it is best not to have them anywhere your dog will be. The Boxwood Tree is from the Buxaceae plant family, and contains alkaloids, which are toxic to dogs. While the entire plant is toxic, the leaves are especially poisonous to dogs and other small animals.

Vicenzo Bazylnikov

Teacher

Do boxwoods lose leaves in winter?

Boxwood leaves can lose their green color during the winter if they're grown in full sun. However, when temperatures warm again in the spring, they will regain their normal green color. Planting a tree nearby to shade your boxwood can prevent this problem, but it isn't usually harmful to plant health.

Olai Giles

Teacher

Do boxwood bushes bloom?

Like most natural plants, boxwood reproduces sexually via flowers that produce seeds. Unlike many garden flowers, boxwood's blossoms do not delight with their color or size -- they're inconspicuous and a yellow-green color.

Castañar Zscheckel

Reviewer

How big is a 1 gallon boxwood?

One gallon shrubs are 6-18 inches tall when shipped, depending on the season.

Amandeep Gandolfo

Reviewer

What is the most hardy boxwood?

insularis are considered the hardiest of all boxwood. Buxus semper. virens, common box, is hardy to zone 6 (Krussmann 1984) and has a greater stature than the preceding species. The large, dark green leaves remain evergreen all year.

Eliud Zierold

Reviewer

How wide does Japanese box grow?

Continue to water regularly for the first 12 weeks or until the plant is established. Fertilise during Spring and prune as required to maintain form. HEIGHT & WIDTH: 0.5m - 2m H x 0.5m - 1m W.

Loli Kulubiz

Supporter

Can you cut boxwood to the ground?

Boxwoods do not respond well to severe pruning. They also are subject to boxwood decline, a disease attributed to improper planting and growing conditions. But after cutting it to the ground, the shrub could start to grow again from the stump, which will require regular removal of the new sprouts.

Sun Behari

Supporter

How often should you water boxwoods?

Watering Boxwood Shrubs
As a general rule, one or two deep waterings per week is plenty during the plant's first year, decreasing to once per week during the shrub's second growing season. Thereafter, watering a boxwood is necessary only during periods of hot, dry weather.

Cristobalina Cosialls

Supporter

Do boxwoods do well in clay soil?

Boxwoods grow best in light, loamy or sandy soil. They're prone to root rots in clay soils so amend such soils to lighten them or plant boxwoods in raised beds. Also, avoid planting boxwoods in low-lying areas that tend to stay wet after rainfall. They also prefer a soil pH between 6.0 and 7.5.