About
Buddleja davidii Nanho Blue ('Mongo') is a deciduous shrub featuring slender, lanceolate leaves. During the summer and autumn months, it produces elongated clusters of pale blue blooms.
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
- Soil type
- Chalk, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- West-facing, South-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H6
Plant details
- Plant type
- Shrubs
- Habit
- Bushy
- Foliage
- Deciduous
- Height
- 1.5-2.5 metres
- Spread
- 1.5-2.5 metres
- Time to full height
- 2-5 years
- Suggested uses
- City and courtyard gardens, Coastal, Wildlife gardens
- Fragrance
- Flower
Care notes
- Cultivation
- Grow in fertile, well-drained soil in full sun. See buddleja cultivation for more detailed advice
- Pruning
- Prune annually in early spring, cutting back to a low framework, pruning group 6
- Propagation
- Semi-ripe cuttings in summer and 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