Hydrangea heteromalla

RHS Plant Profile
woolly-leaved hydrangea
woolly-leaved hydrangea visionspictures.com

Synonyms

Hydrangea dumicola
Hydrangea xanthoneura

Shrubs

A variable species, from mid sized shrubs to small trees, and up to around 5m high in cultivation. Leaves are dark green with greyish-white hairy undersides, usually toothed and often held on reddish stems. Produces broad flat flower heads from late spring to early summer, with loose clusters of small true flowers surrounded by larger florets, usually white but sometimes turning pink as they mature

Position

Full sun, Partial shade

Soil Types

Clay, Loam

Max Height

4-8 metres

Max Spread

4-8 metres

Size

Time to Maturity
5–10 years
Max Spread
4-8 metres
Max Height
4-8 metres

Growing Conditions

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

Position

Full sun Partial shade
Aspect
North–facing or South–facing or West–facing
Exposure
Sheltered
Hardiness
H4

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Hydrangeaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
Potentially harmful
Skin allergen. Wear gloves and other protective equipment when handling. Pets (dogs, cats): Harmful if eaten. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus
Hydrangea can be deciduous or evergreen shrubs, or self-clinging climbers, with flowers in clusters usually comprising both small fertile and more showy sterile flowers; often good autumn colour
Name Status
Correct
Plant Range
Himalayas to China and Vietnam

How to Grow

Cultivation

Grow in any moist but well-drained soil in partial shade or grow in sun if soil remains reliably moist. Improve chalky soils with organic matter to support good growth. See shrubby hydrangea cultivation for further advice

Propagation

Propagate by softwood cuttings in early summer, or by hardwood cuttings in winter

Suggested planting locations and garden types

  • Cottage and informal garden
  • Flower borders and beds
  • Wall side borders

Pruning

See pruning group 4 (hydrangeas)

Diseases

May be susceptible to a leaf spot, powdery mildews, grey moulds (Botrytis) and honey fungus (rarely)