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Clethra alnifolia 'Paniculata' (Sweet pepper bush)
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1 hour care
per year
per year
2.5m
Max height
Max height
2.5m
Max spread
Max spread
10-20 years
To maturity
To maturity
Plant details
Botanical name
Clethra alnifolia 'Paniculata'
Other names
Sweet pepper bush, Panicled white alder
Genus
Clethra Clethra
Variety or Cultivar
'Paniculata' _ 'Paniculata' is a deciduous, suckering shrub, producing panicles of white, fragrant flowers from late summer to early autumn.
Clethra alnifolia 'Paniculata' is: Deciduous
Fragrance
Flowers have a spicy fragrance.
Habit
Bushy, Suckering
Awards
RHS AGM (Award of Garden Merit)
Flower
White in Summer; White in Autumn
Foliage
Green in Summer; Yellow, Orange in Autumn
How to care
Watch out for
Pests
Generally pest-free.
Diseases
Generally disease-free.
General care
Propagation methods
Seed, Softwood cuttings
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Where to grow
Clethra alnifolia 'Paniculata' (Sweet pepper bush) will reach a height of 2.5m and a spread of 2.5m after 10-20 years.
Suggested uses
Cottage/Informal, Beds and borders, Low Maintenance, Woodland
Cultivation
Plant in moist, free-draining, acidic soil in full sun to full shade in a sheltered position.
Soil type
Clay, Loamy, Sandy
Soil drainage
Moist but well-drained, Well-drained
Soil pH
Acid
Light
Partial Shade, Full Shade, Full Sun
Aspect
North, South, East, West
Exposure
Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
Companion plants
Botanical name
Clethra alnifolia 'Paniculata'
Other names
Sweet pepper bush, Panicled white alder
Genus
Clethra Clethra
Variety or Cultivar
'Paniculata' _ 'Paniculata' is a deciduous, suckering shrub, producing panicles of white, fragrant flowers from late summer to early autumn.
Foliage
Deciduous
Fragrance
Flowers have a spicy fragrance.
Habit
Bushy, Suckering
Awards
RHS AGM (Award of Garden Merit)
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Colour
Flower
White in Summer; White in Autumn
Foliage
Green in Summer; Yellow, Orange in Autumn
How to care
Watch out for
Pests
Generally pest-free.
Diseases
Generally disease-free.
General care
Propagation methods
Seed, Softwood cuttings
Monthly care advice
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Where to grow
Clethra alnifolia 'Paniculata' (Sweet pepper bush) will reach a height of 2.5m and a spread of 2.5m after 10-20 years.
Suggested uses
Cottage/Informal, Beds and borders, Low Maintenance, Woodland
Cultivation
Plant in moist, free-draining, acidic soil in full sun to full shade in a sheltered position.
Soil type
Clay, Loamy, Sandy
Soil drainage
Moist but well-drained, Well-drained
Soil pH
Acid
Light
Partial Shade, Full Shade, Full Sun
Aspect
North, South, East, West
Exposure
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 | Tell us... |
| Light: | Partial Shade, Full Shade, Full Sun | Tell us... |
| Aspect: | North, South, East, West | Tell us... |
| Exposure: | Sheltered | Tell us... |
| Hardiness: | Hardy (H4) | Tell us... |
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