Buddleja × weyeriana 'Boy Blue'
butterfly bush 'Boy Blue'
Spreading, deciduous shrub about 3-4m tall, with long arching stems bearing mid-green, lance-shaped leaves to 20cm long, grey-green when young. Rounded clusters of fragrant, pale mauve-blue flowers with an orange eye, produced in open terminal panicles, in summer and autumn
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Size
Ultimate height
2.5–4 metresTime to ultimate height
2–5 yearsUltimate spread
1.5–2.5 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Grey Silver Green | |||
---|---|---|---|---|
Summer | Purple Blue | Green | ||
Autumn | Green | |||
Winter |
Position
- Full sun
Aspect
South–facing or West–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H6Botanical details
- Family
- Scrophulariaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Spreading branched
- 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
Accepted
How to grow
Cultivation
Grow in well-drained soil in full sun. See buddleja cultivation for more detailed advice
Propagation
Propagate by semi-ripe cuttings in summer, or by hardwood cuttings in autumn
Suggested planting locations and garden types
- City and courtyard gardens
- Coastal
- Cottage and informal garden
- Gravel garden
- Patio and container plants
- Wildlife gardens
- Flower borders and beds
Pruning
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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