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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 Peruvian lily [Princess Juliana]
Synonyms Alstroemeria 'Staterpa'
Family Alstroemeriaceae
Genus Alstroemeria are fleshy rooted herbaceous perennials forming spreading clumps of erect stems bearing narrowly lance-shaped leaves, with umbels of showy funnel-shaped flowers in summer
Details [Princess Juliana] is a vigorous perennial to 1m tall, with plum-pink flowers over a long period in summer
Foliage Deciduous
Habit Bushy
Toxicity Contact may cause skin allergies
Hardiness
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H4
Full Sun
Partial Shade
Aspect South-facing or North-facing or West-facing or East-facing
Exposure Exposed or Sheltered
Chalk
Clay
Loam
Sand
MoistureMoist but well-drained
SoilChalk, Clay, Loam, Sand
pHAcid, Alkaline, Neutral
Ultimate height 0.5-1 metres
Ultimate spread 0.1-0.5 metres
Time to ultimate height 2-5 years
Cultivation Grow in fertile, moist but well-drained soils in full sun or partial shade. Young plants best left undisturbed to form clumps, mulch for the first two winters.
Propagation Propagate by division in autumn or very early spring
Suggested planting locations and garden types Flower borders and beds Cottage & Informal Garden
Pruning Pull stems up after flowering, leaving tubers in ground
Pests May be damaged by slugs
Diseases Generally disease free but a virus may be a problem
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