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Herbaceous PerennialSynonym

Dictamnus albus var. purpureus
  • RHS AGM
  • RHS Plants for pollinators

white-flowered dittany

An erect herbaceous perennial to 90cm, with aromatic, pinnate leaves and spikes of white flowers 2.5cm in width, with prominent stamens

Synonyms
Dictamnus albus var. purpureus
Dictamnus fraxinella
see moreDictamnus albus 'Rubra'
Dictamnus albus 'Fraxinella'
Dictamnus albus var. roseus
Dictamnus albus turkestanicus
Dictamnus angustifolius
Dictamnus caucasicus
Dictamnus albus var. caucasicus
Dictamnus dasycarpus
Dictamnus gymnostylis
Dictamnus tadschicorum
Dictamnus tadshikorum
Dictamnus takzhikorum
Dictamnus albus purple-flowered

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer White Green
Autumn Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

West–facing or East–facing or South–facing

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Rutaceae
Native to the UK
No
Foliage
Deciduous
Habit
Bushy
Potentially harmful
Skin contact may cause photodermatitis. Wear gloves and other protective equipment when handling
Genus

Dictamnus are woody-based, aromatic perennials with erect stems bearing pinnate leaves and terminal racemes of 5-petalled flowers

Name status

Correct

How to grow

Cultivation

Grow in any well-drained, moderately fertile soil in full sun or partial shade

Propagation

Propagate by seed sown in pots in a cold frame as soon as ripe or in early spring

Suggested planting locations and garden types
  • Cottage and informal garden
  • Low Maintenance
  • Flower borders and beds
Pruning

Cut back to the base in autumn

Pests

Generally pest free

Diseases

Generally disease free

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