Intermediate
skill rating
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Hydrangea radiata (Silverleaf hydrangea)
2 hours care
per year
per year
2m
Max height
Max height
2m
Max spread
Max spread
10-20 years
To maturity
To maturity
Low
Toxicity
Toxicity
Plant details
Botanical name
Hydrangea radiata
Other names
Silverleaf hydrangea, Silver leaf hydrangea, White-leaved hydrangea, Hydrangea arborescens subsp. radiata, Hydrangea glauca, Hydrangea pubescens, Snowy hydrangea
Genus
Hydrangea Hydrangea
Species
H. radiata - H. radiata is a vigorous, rounded, relatively short-lived, deciduous shrub with ovate, toothed, dark green leaves, white-felted beneath, and, from late spring into summer, flat corymbs of tiny, creamy-white fertile flowers surrounded by large, creamy-white sterile flowers.
Hydrangea radiata is: Deciduous
Habit
Rounded
Toxicity
Can cause mild stomach upset if ingested and contact with foliage may aggravate skin allergies.
Flower
White, Cream in Spring; White, Cream in Summer
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
Diseases
Generally Disease Free
Leaf spot Leaf spot
General care
Pruning
Pruning group 1 or cut back low in early spring before new growth resumes. Flowers on new wood.
Propagation methods
Softwood cuttings
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Where to grow
Hydrangea radiata (Silverleaf hydrangea) will reach a height of 2m and a spread of 2m after 10-20 years.
Suggested uses
City, Cottage/Informal, Flower Arranging, Beds and borders, Low Maintenance, Containers
Cultivation
Grow in moist but well-drained, preferably neutral to acid soil in partial shade. Will grow in full sun if soil remains consistently moist. 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
Botanical name
Hydrangea radiata
Other names
Silverleaf hydrangea, Silver leaf hydrangea, White-leaved hydrangea, Hydrangea arborescens subsp. radiata, Hydrangea glauca, Hydrangea pubescens, Snowy hydrangea
Genus
Hydrangea Hydrangea
Species
H. radiata - H. radiata is a vigorous, rounded, relatively short-lived, deciduous shrub with ovate, toothed, dark green leaves, white-felted beneath, and, from late spring into summer, flat corymbs of tiny, creamy-white fertile flowers surrounded by large, creamy-white sterile flowers.
Native to
Southeastern United States
Foliage
Deciduous
Habit
Rounded
Toxicity
Can cause mild stomach upset if ingested and contact with foliage may aggravate skin allergies.
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Colour
Flower
White, Cream in Spring; White, Cream in Summer
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
Diseases
Generally Disease Free
Specific diseases
General care
Pruning
Pruning group 1 or cut back low in early spring before new growth resumes. Flowers on new wood.
Propagation methods
Softwood cuttings
Monthly care advice
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Where to grow
Hydrangea radiata (Silverleaf hydrangea) will reach a height of 2m and a spread of 2m after 10-20 years.
Suggested uses
City, Cottage/Informal, Flower Arranging, Beds and borders, Low Maintenance, Containers
Cultivation
Grow in moist but well-drained, preferably neutral to acid soil in partial shade. Will grow in full sun if soil remains consistently moist. 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, Zone 5, Zone 4, Zone 3
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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