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Buddleja colvilei

Colvile butterfly bush

A vigorous, deciduous or semi-evergreen, large shrub or small tree to 6m in height, with long, narrow, pointed, dark green leaves. Produces tight, hanging sprays up to 20cm long of small, dark red or dark pink flowers in early summer

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Size
Ultimate height
4–8 metres
Time to ultimate height
10–20 years
Ultimate spread
4–8 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Pink Red Green
Autumn Green
Winter Green
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Drought resistance
Yes
Hardiness
H4
Botanical details
Family
Scrophulariaceae
Native to the UK
No
Foliage
Deciduous
Habit
Bushy
Genus

Buddleja can be evergreen or deciduous shrubs, occasionally trees or scrambling climbers with simple leaves and panicles of small, tubular fragrant flowers

Name status

Correct

How to grow

Cultivation

Needs a sunny, sheltered spot with excellent drainage; in areas prone to winter wet, it may be best grown in containers and overwintered in a cool greenhouse. See buddleja cultivation for more detailed advice

Propagation

Propagate by semi-ripe cuttings in summer

Suggested planting locations and garden types
  • Cottage and informal garden
  • City and courtyard gardens
  • Coastal
  • Gravel garden
  • Mediterranean climate plants
  • Climber and wall shrubs
  • Wall side borders
Pruning

Pruning group 2, or Pruning group 13 for wall-trained plants

Pests

May be susceptible to aphids, capsid bugs, caterpillars, earwigs, figwort weevils, glasshouse red spider mite, leaf and bud eelworm, and mullein moth

Diseases

May be susceptible to honey fungus, fungal leaf spot, and virus diseases

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