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AGM plants have been through a rigorous trial and assessment programme. They are:
This plant will provide nectar and pollen for bees and the many other types of pollinating insects.
It is included in an evolving list of plants carefully researched and chosen by RHS experts. Divided into 3 groups these lists, linked below, are maintained by a team of RHS staff and are reviewed annually.
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Other common names butterfly bush [Nanho Purple]
Synonyms Buddleja davidii 'Monum' Buddleja davidii 'Nanho Petite Plum'
Buddleja davidii 'Nanho Petite Purple' Buddleja davidii 'Petite Purple'
Family Scrophulariaceae
Genus Buddleja can be evergreen or deciduous shrubs, occasionally trees or scrambling climbers with simple leaves and panicles of small, tubular fragrant flowers
Details [Nanho Purple] is a compact shrub with lance-shaped leaves and fragrant, light purple flowers in dense cylindrical panicles in summer and autumn
Foliage Deciduous
Habit Bushy
Hardiness
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H6
Full Sun
Aspect South-facing or West-facing
Exposure Exposed or Sheltered
Chalk
Loam
Sand
MoistureWell-drained
SoilChalk, Loam, Sand
pHAcid, Alkaline, Neutral
Ultimate height 1.5-2.5 metres
Ultimate spread 1.5-2.5 metres
Time to ultimate height 2-5 years
Cultivation Grow in fertile well drained soil in full sun
Propagation softwood cuttings in summer and hardwood cuttings in autumn
Suggested planting locations and garden types Flower borders and beds Wildlife Gardens City & Courtyard Gardens Coastal
Pruning Prune annually in early spring back to a low framework, pruning group 6
Pests Susceptible to capsid bug, figwort weevil, mullein moth and glasshouse red spider mite
Diseases generally trouble free
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