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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 honesty moneywort
moonwort annual honesty bolbonac Chinese money common honesty grandpa's specs Judas's penny matrimony money money flower money in both pockets moon seed penny bark penny flower Peter's pence Pope's money prick-song flower St Peter's pence satin flower satin leaves satin pod silver dollar silver leaf silver plate white satin
Synonyms Lunaria biennis
Family Brassicaceae
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
Details L. annua is a hardy annual or biennial, with toothed, heart-shaped leaves, and large, open clusters of purple flowers in late spring and early summer, followed by flat, round, silvery seed pods
Plant range Europe
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
Partial Shade
Aspect South-facing or East-facing or West-facing
Exposure Exposed or Sheltered
Chalk
Loam
Sand
MoistureMoist but well-drained
SoilChalk, Loam, Sand
pHAcid, Alkaline, Neutral
Ultimate height 0.5-1 metres
Ultimate spread 0.1-0.5 metres
Time to ultimate height 1-2 years
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 Cut Flowers Flower borders and beds Cottage & Informal Garden Wildflower meadow
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
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
honesty
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