Buxus sempervirens clipped cone

RHS Plant Profile

box topiary cone

Shrubs

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A slow-growing, small-leaved, tightly-grown evergreen cone-shaped shrub. Looks great planted in containers, either side of a doorway or planted directly into your garden displays to add all-year-round evergreen structure. Low maintenance, may only need a small clip to keep it in shape twice a year

Position

Full shade, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

1-1.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 10–20 years
Max Spread: 0.1-0.5 metres
Max Height: 1-1.5 metres

Growing Conditions

Chalk Clay Loam Sand

Moisture: Moist but well–drained or Well–drained
pH: Acid or Alkaline or Neutral

Position

Full shade Partial shade

Aspect: East–facing or North–facing or South–facing or West–facing
Exposure: Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H6

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Buxaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Columnar upright
Potentially harmful: Harmful if eaten. Wear gloves and other protective equipment when handling
Genus: Buxus can be evergreen shrubs or small trees, with simple, leathery, opposite leaves and clusters of small, pale yellow flowers followed by pale green to brown fruits
Name Status: Correct

How to Grow

Cultivation

Grows best in well-drained soil in partial shade; can be scorched by sun and strong winds in dry soils. Susceptible to a number of box problems, see box cultivation

Propagation

Propagate from semi-ripe cuttings in summer

Suggested planting locations and garden types

Architectural
City and courtyard gardens
Cottage and informal garden
Patio and container plants
Low Maintenance
Hedging and screens

Pruning

Pruning group 8 in summer, renovation pruning can be carried out in late spring. Use mulch and a general fertiliser after hard pruning, ideal for topiary clipping

Pests

May be susceptible to box tree caterpillar, box sucker, mussel scale and red spider mite

Diseases

May be susceptible to a leaf spot, box blight and, rarely, honey fungus