Alstroemeria Diana, Princess of Wales ('Stablaco')

RHS Plant Profile

Peruvian lily [Diana, Princess of Wales] ('Stablaco')

Synonyms

Alstroemeria 'Stablaco'
Alstroemeria Princess Diana
Alstroemeria Mona Lisa

Herbaceous Perennial

A clump-forming perennial with slender mid-green leaves, and bearing funnel-shaped flowers blushed pale pink, the inner petals are marked bright yellow and flecked dark reddish-brown, flowering through summer into autumn

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Sand

Size

Time to Maturity: 2–5 years

Growing Conditions

Chalk Loam Sand

Moisture: Moist but well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun Partial shade

Aspect: East–facing or South–facing or West–facing
Exposure: Sheltered
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 & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Alstroemeriaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Clump forming
Potentially harmful: Skin allergen. Wear gloves and other protective equipment when handling
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
Name Status: Trade

How to Grow

Cultivation

Will grow well in fertile, moist but well-drained soil in full sun or partial shade. Protect dormant tubers with a layer of mulch in very cold winter conditions avoiding contat with roots. See also Alstroemeria cultivation

Propagation

Propagate by division

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Patio and container plants
Wildlife gardens
Cut flowers
Flower borders and beds

Pruning

Pull flower stems and leaves, avoid cutting as this will cause damage to the plant

Pests

May be susceptible to slugs

Diseases

Generally disease-free but may be susceptible to a virus