Paeonia lactiflora 'Lady Alexandra Duff'

RHS Plant Profile

peony 'Lady Alexandra Duff'

John Fielding

Herbaceous Perennial

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A bushy, upright, deciduous herbaceous perennial with dark green, glossy divided leaves. Deep pink buds open to large, double, ruffled light pink fragrant flowers with yellow centres, from late spring through to early summer. Flowerheads last from between 7 to 10 days. Foliage will last through until the first frosts

Position

Full sun, Partial shade

Soil Types

Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.5-1 metres
Max Height: 0.5-1 metres

Growing Conditions

Clay Loam Sand

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

Position

Full sun Partial shade

Aspect: South–facing or East–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): H6

Colour & Scent

Fragrance Flower

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Paeoniaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy, Columnar upright
Potentially harmful: Pets (dogs, cats): Skin irritant. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus: Paeonia may be herbaceous perennials or deciduous sub-shrubs with large, divided leaves and showy large bowl-shaped flowers, usually in early summer
Name Status: Accepted

How to Grow

Cultivation

Best in a deep, fertile, humus-rich soil that is moist but well-drained in a sheltered position in full sun or partial shade. May need support (see staking perennials). See herbaceous peony cultivation

Propagation

Propagate by division in autumn or early spring

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Cut flowers
Flower borders and beds

Pruning

Remove dead flowers as they fade, then cut back plant as the foliage dies down in autumn

Pests

May be susceptible to leaf and bud eelworm and soil-dwelling swift moth caterpillar

Diseases

May be susceptible to a virus, honey fungus, Verticillium wilt, peony leaf blotch and peony wilt