Intermediate
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Hydrangea robusta (Himalayan tree hydrangea)
2 hours care
per year
per year
3m
Max height
Max height
3m
Max spread
Max spread
5-10 years
To maturity
To maturity
Low
Toxicity
Toxicity
Plant details
Botanical name
Hydrangea robusta
Other names
Himalayan tree hydrangea, Hydrangea aspera subsp. robusta, Hydrangea aspera 'Rosthornii', Hydrangea rosthornii, Hydrangea rotundifolia, Hydrangea cyanema, Hydrangea maximowiczii, Hydrangea longialata, Hydrangea aspera 'Robusta'
Genus
Hydrangea Hydrangea
Species
H. robusta - H. robusta is a large, upright, deciduous shrub, rarely a small tree, with velvety, four-angled stems bearing large, softly hairy, ovate to broadly elliptic, dark green leaves and, from summer into autumn, flattened clusters of tiny, purple fertile flowers surrounded by large, sterile, white flowers turning pale pink with age.
Hydrangea robusta is: Deciduous
Habit
Bushy, Upright
Toxicity
Can cause mild stomach upset if ingested and contact with foliage may aggravate skin allergies.
Flower
White, Purple, Pale-pink in Summer; White, Purple, Pale-pink in Autumn
Foliage
Dark-green in Spring; Dark-green in Summer; Dark-green in Autumn
How to care
Watch out for
Specific pests
Capsid bug , Glasshouse red spider mite , Hydrangea scale Capsid bug , Glasshouse red spider mite , Hydrangea scale
Leaf spot Leaf spot
General care
Pruning
Pruning group 1.
Propagation methods
Softwood cuttings
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Where to grow
Hydrangea robusta (Himalayan tree hydrangea) will reach a height of 3m and a spread of 3m after 5-10 years.
Suggested uses
Beds and borders, Cottage/Informal, City, Containers
Cultivation
Grow in moist but well-drained soil in sun or partial shade. Performs best with afternoon shade. Needs shelter from cold, drying winds. Flowers may scorch in full sun. Do not allow to dry out.
Soil type
Clay, Loamy, Sandy
Soil drainage
Moist but well-drained, Well-drained
Soil pH
Acid, Neutral
Light
Partial Shade, Full Sun
Aspect
North, South, East, West
Exposure
Exposed, Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
Companion plants
We do not currently have companion plants added for this plant.
Botanical name
Hydrangea robusta
Other names
Himalayan tree hydrangea, Hydrangea aspera subsp. robusta, Hydrangea aspera 'Rosthornii', Hydrangea rosthornii, Hydrangea rotundifolia, Hydrangea cyanema, Hydrangea maximowiczii, Hydrangea longialata, Hydrangea aspera 'Robusta'
Genus
Hydrangea Hydrangea
Species
H. robusta - H. robusta is a large, upright, deciduous shrub, rarely a small tree, with velvety, four-angled stems bearing large, softly hairy, ovate to broadly elliptic, dark green leaves and, from summer into autumn, flattened clusters of tiny, purple fertile flowers surrounded by large, sterile, white flowers turning pale pink with age.
Native to
Southeastern Asia
Foliage
Deciduous
Habit
Bushy, Upright
Toxicity
Can cause mild stomach upset if ingested and contact with foliage may aggravate skin allergies.
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Colour
Flower
White, Purple, Pale-pink in Summer; White, Purple, Pale-pink in Autumn
Foliage
Dark-green in Spring; Dark-green in Summer; Dark-green in Autumn
How to care
Watch out for
Specific pests
Capsid bug , Glasshouse red spider mite , Hydrangea scale
Specific diseases
General care
Pruning
Pruning group 1.
Propagation methods
Softwood cuttings
Monthly care advice
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Where to grow
Hydrangea robusta (Himalayan tree hydrangea) will reach a height of 3m and a spread of 3m after 5-10 years.
Suggested uses
Beds and borders, Cottage/Informal, City, Containers
Cultivation
Grow in moist but well-drained soil in sun or partial shade. Performs best with afternoon shade. Needs shelter from cold, drying winds. Flowers may scorch in full sun. Do not allow to dry out.
Soil type
Clay, Loamy, Sandy
Soil drainage
Moist but well-drained, Well-drained
Soil pH
Acid, Neutral
Light
Partial Shade, Full Sun
Aspect
North, South, East, West
Exposure
Exposed, Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
USDA zones
Zone 9, Zone 8, Zone 7, Zone 6
In order to add a note on this plant, please add this plant to your plant lists.
| This plant likes... | Garden match | |
| Soil types: | Clay, Loamy, Sandy | Tell us... |
| Soil drainage: | Moist but well-drained, Well-drained | Tell us... |
| Soil pH: | Acid, Neutral | Tell us... |
| Light: | Partial Shade, Full Sun | Tell us... |
| Aspect: | North, South, East, West | Tell us... |
| Exposure: | Exposed, Sheltered | Tell us... |
| Hardiness: | Hardy (H4) | Tell us... |
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