Hydrangea aspera subsp. robusta
Himalyan tree hydrangea
An erect, deciduous shrub to 6m tall, with softly hairy, lance-shaped leaves to 29cm long with red petioles. Produces flat flowering heads with blue-purple fertile flowers and showy white outer sterile flowers in late summer
Other common names
robust hydrangeaBuy this plant
Size
Ultimate height
1.5–2.5 metresTime to ultimate height
10–20 yearsUltimate spread
1–1.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Blue Purple White | Green | ||
| Autumn | Green | |||
| Winter |
Position
- Full sun
- Partial shade
Aspect
East–facing or South–facing or West–facing or North–facing
Exposure
Sheltered Hardiness
H5Botanical details
- Family
- Hydrangeaceae
- Native to the UK
- 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
- S Asia
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
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Flower borders and beds
- Wall side borders
Pruning
Pests
May be susceptible to aphids, capsid bug and hydrangea scale
Diseases
May be susceptible to a leaf spot
Get involved
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