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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 everlasting 'Pierrot'
Synonyms Helipterum 'Pierrot'
Family Asteraceae
Genus Rhodanthe can be annuals, perennials or sub-shrubs, with simple, narrow, alternate leaves and daisy-like everlasting flowers in shades of pink, yellow and white, in summer
Details 'Pierrot' is an erect annual to 60cm, with narrow, grey-green leaves and dark-centred, white-rayed everlasting flowers 2.5cm across in summer
Foliage Deciduous
Habit Columnar/Upright
Hardiness
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1C
Full Sun
Aspect South-facing or West-facing
Exposure Sheltered
Chalk
Loam
Sand
MoistureWell-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 Ideal plant for poor, well-drained soil that gets a lot of sun
Propagation Propagate by seed
Suggested planting locations and garden types Flower borders and beds Cut Flowers Cottage & Informal Garden
Pruning No pruning required
Pests Generally pest free
Diseases Generally disease free
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The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.