About
Buddleja davidii Magda's Gold Knight ('Elstb1') is a deciduous shrub characterized by its tidy, variegated foliage featuring golden-yellow and green hues. This plant produces fragrant, deep purple blooms that appear in abundance during the summer and autumn months. It serves as an important resource for pollinators, including bees, butterflies, and other beneficial insects. For optimal growth and flowering, it is recommended to undertake a hard pruning in the spring.
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, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained, Well-drained
- Aspect
- East-facing, South-facing, West-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
- 5-10 years
- Suggested uses
- City and courtyard gardens, Coastal, Cottage and informal garden, Gravel garden, Wildlife gardens
- 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 by semi-ripe cuttings in summer or hardwood cuttings in autumn and winter
- 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