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Buddleja alternifolia
  • RHS AGM

alternate-leaved butterfly bush

A vigorous large deciduous shrub which can be trained into a small tree, with arching branches bearing narrow, grey-green leaves and sweetly scented lilac-purple flowers, borne in clusters along the previous year's shoots

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Size
Ultimate height
2.5–4 metres
Time to ultimate height
10–20 years
Ultimate spread
2.5–4 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green Grey Silver
Summer Purple Green Grey Silver
Autumn Green Grey Silver
Winter
Position
  • Full sun
  • Partial shade
Aspect

South–facing or West–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H6
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

Plant range
China

How to grow

Cultivation

Buddleja perform best when grown in a sunny, well-drained situation

Propagation

Propagate by semi-hardwood cuttings

Suggested planting locations and garden types
  • Cottage and informal garden
  • Flower borders and beds
  • Wall side borders
Pruning

Pruning group 2

Pests

Foliage may be damaged by capsid bug and caterpillars

Diseases

May suffer from a virus

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