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Annual BiennialSynonym

Lunaria annua var. alba
  • RHS AGM
  • RHS Plants for pollinators

white-flowered honesty

A hardy annual or biennial, frequently self-sowing, with toothed, ovate leaves heart-shaped at the base, and large panicles of white flowers in spring and early summer, followed by ornamental, translucent seed pods

Synonyms
Lunaria annua L. 'Alba'
Lunaria annua var. alba
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Size
Ultimate height
0.5–1 metres
Time to ultimate height
1–2 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring White Green
Summer White Green
Autumn Grey Silver
Winter
Position
  • Full sun
  • Partial shade
Aspect

South–facing or West–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Brassicaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Bushy
Genus

Lunaria can be annuals, biennials or perennials, with triangular-ovate leaves and leafy racemes of 4-petalled flowers in late spring and early summer

Name status

Correct

How to grow

Cultivation

Grow in fertile, moist but well-drained soil in full sun or partial shade; valuable for wildlife gardens

Propagation

Propagate by seed sown in-situ in early summer

Suggested planting locations and garden types
  • Cottage and informal garden
  • Wildflower meadow
  • Wildlife gardens
  • Flower borders and beds
  • Cut flowers
Pruning

Translucent seedheads are useful for dried flower arrangements; self-seeds readily, leave in situ if self-seeding is desirable, cut back after flowering if seeds are not required

Pests

Generally pest-free

Diseases

May be affected by club root and white blister

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