Dictamnus albus var. albus

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white-flowered dittany

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white-flowered dittany Dorling Kindersley 2003
white-flowered dittany RHS

Synonyms

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

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

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.5-1 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Moist but well–drained or Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
Aspect
West–facing or East–facing or South–facing
Exposure
Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H6

Colour & Scent

Fragrance Flower Foliage
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Rutaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
Potentially harmful
TOXIC to skin with sunlight. Wear gloves and other protective equipment when handling TOXIC to pets with sunlight - see the HTA guide to potentially harmful plants for further information and useful contact numbers
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
  • Wildlife gardens
  • Flower borders and beds

Pruning

Cut back to the base in autumn

Pests

Generally pest-free

Diseases

Generally disease-free