About
Buddleja davidii is a vigorous deciduous shrub that can reach heights of up to 3 meters. It features long, arching stems and narrow, lanceolate leaves that are either green or grey-green, measuring as much as 25 centimeters in length. From summer through autumn, this plant produces dense clusters of small, aromatic flowers that can exceed 30 centimeters in length, appearing in a range of purple hues.
About the genus
Buddleja comprises evergreen and deciduous shrubs, and in some cases, it can also be found as small trees or scrambling climbers. The foliage consists of simple leaves, and the plants produce clusters of small, tubular flowers that emit a pleasant fragrance.
Growing conditions
- Sunlight
- Full sun, Partial shade
- Soil type
- Chalk, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, West-facing, East-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H6
Plant details
- Plant type
- Shrubs
- Habit
- Bushy
- Foliage
- Deciduous
- Height
- 2.5-4 metres
- Spread
- 4-8 metres
- Time to full height
- 5-10 years
- Suggested uses
- City and courtyard gardens, Coastal, Cottage and informal garden, Gravel garden, Wildlife gardens
- Native to
- China
- Fragrance
- Flower
Care notes
- Cultivation
- Grow in well-drained soil in full sun or partial shade. See buddleja cultivation for more detailed advice
- Pruning
- Pruning group 6
- Propagation
- Propagate semi-ripe cuttings in summer or hardwood cuttings in autumn
- Pest resistance
- May be susceptible to aphids, capsid bugs, caterpillars, earwigs, figwort weevils, glasshouse red spider mite, leaf and bud eelworm, and mullein moth
- Disease resistance
- May be susceptible to honey fungus, fungal leaf spot, and virus diseases