Paeonia × suffruticosa 'Guan Shi Mo Yu' (S)

RHS Plant Profile
tree peony 'Guan Shi Mo Yu'
Shrubs

An upright deciduous shrub to 1.8m high, with woody stems and lobed and divided green leaves. Produces large, scented, dark maroon double flowers to 18cm across, in early summer

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
5–10 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
East–facing or South–facing or West–facing
Exposure
Sheltered
Hardiness
H5

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

How to Grow

Cultivation

Grow in deep, fertile, humus-rich, moist but well-drained soil in full sun or partial shade. Choose an open position but with shelter from cold, drying winds. For more detailed advice, see tree peony cultivation

Propagation

Propagate by semi-ripe cuttings in summer, or by grafting in winter

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Low Maintenance
  • Flower borders and beds
  • Wall side borders

Pruning

Pruning group 1

Pests

May be susceptible to leaf and bud eelworm and swift moth caterpillar

Diseases

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