Buxus sempervirens 'Suffruticosa'

RHS Plant Profile

box 'Suffruticosa'

Other common names

dwarf box, edging box

Synonyms

Buxus sempervirens 'Nana'

Shrubs

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A slow-growing, compact, evergreen shrub to 1m tall, with small, glossy, dark green leaves to 3cm long, and very small yellowish flowers in clusters, produced in spring

Position

Full shade, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

1-1.5 metres

Size

Time to Maturity: 5–10 years
Max Spread: 1-1.5 metres
Max Height: 0.5-1 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: North–facing or West–facing or East–facing or South–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: Bushy
Potentially harmful: Pets (dogs): Harmful if eaten For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
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: Accepted

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

Patio and container plants
City and courtyard gardens
Cottage and informal garden
Wildlife gardens
Flower borders and beds
Garden edging
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

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