Paeonia delavayi (S)

RHS Plant Profile
Delavay peony

Save a plant

Where do you want to save Paeonia delavayi (S)?

Plants I own
Wishlist
Go to My Plants
Delavay peony Dorling Kindersley 2003
Delavay peony RHS
Delavay peony Dorling Kindersley Ltd
Delavay peony Dorling Kindersley Ltd

Synonyms

Paeonia handel-mazzettii

Plants for pollinators
Shrubs
Thank you - your purchase supports our charity work Buy this from RHS Plants Shop
Buy online from £29.99Buy this from Plant Nurseries
16 Suppliers

An erect, open, medium-sized deciduous shrub with large leaves divided into numerous lanceolate leaflets. Flowers to 10cm in width, deep maroon with yellow stamens, with conspicuous leafy bracts

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

1.5-2.5 metres

Max Spread

1-1.5 metres

Size

Time to Maturity
10–20 years
Max Spread
1-1.5 metres
Max Height
1.5-2.5 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
Aspect
South–facing or West–facing or East–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

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Paeoniaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
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
Correct
Horticultural Group

Horticultural Classification Codes

Horticultural Classification Codes are often given to genera which have a large number of species or cultivars. They are used to categorise cultivated plants based on specific, shared characteristics such as shape, colour, size or flowering time, and can be displayed as letters or numbers

For example:
Dahlia ‘Sunset Kate (Sin) = Single flower
Rosa ‘Marigold’ (HT) = Hybrid Tea

Shrubby peonies are sparsely branched deciduous shrubs leaves divided into several finger-like lobes, and bowl-shaped flowers in late spring or early summer
Plant Range
China

How to Grow

Cultivation

Grow in a well-drained, humus-rich soil in sun or partial shade. See tree peony cultivation for further information.

Propagation

Propagate by semi-hardwood cuttings

Suggested planting locations and garden types

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

Pruning

Pruning group 1

Pests

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

Diseases

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