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Alstroemeria Princess Juliana = 'Staterpa' (Princess Series)

Peruvian lily [Princess Juliana]

© RHS 1999

  • Other common names Peruvian lily [Princess Juliana]

  • 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

Characteristics

  • Foliage Deciduous

  • Habit Bushy

  • Toxicity Contact may cause skin allergies

  • 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)

    H4

Colour

Sunlight

  • Full Sun

  • Partial Shade

  • Aspect South-facing or North-facing or West-facing or East-facing

  • Exposure Exposed or Sheltered

Soil

  • Sand

    Sand

  • Clay

    Clay

  • Chalk

    Chalk

  • Loam

    Loam

  • MoistureMoist but well-drained

  • SoilSand, Clay, Chalk, Loam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 0.5-1 metres

  • Ultimate spread 0.1-0.5 metres

  • Time to ultimate height 2-5 years

How to grow

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

How to care

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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