Deutzia calycosa

RHS Plant Profile
calyx-like deutzia
Shrubs

An upright, mid-sized deciduous shrub to 2.5m high, with arching stems and grey-green, oval leaves with very finely serrated edges. New shoots have purple-tinted stems. Produces rounded clusters of 6-10 flowers, pale pink or white tinted with pink at the base, each flower 4-7cm across and with long, narrow outer sepals. Flowers in late spring and 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
2–5 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
Exposed or Sheltered
Hardiness
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Hydrangeaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Columnar upright, Spreading branched
Genus
Deutzia are deciduous shrubs, often with flaking bark, with simple, opposite leaves and star-shaped or cupped white or pink flowers, sometimes fragrant, in terminal or axillary clusters
Name Status
Correct

How to Grow

Cultivation

Grow in reasonably fertile soil in full sun or partial shade; will not thrive in dry soil

Propagation

Propagate by softwood cuttings in summer or hardwood cuttings in autumn

Suggested planting locations and garden types

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

Pruning

See pruning group 2, after flowering

Pests

Generally pest-free

Diseases

May be susceptible to honey fungus