Overview
Physocarpus opulifolius 'Diabolo' is a suckering shrubs in the genus Physocarpus, part of the Rosaceae family, with deciduous foliage. It typically grows around 1.5-2.5 metres tall and 1.5-2.5 metres wide, reaching full size in around 5-10 years. Physocarpus opulifolius 'Diabolo' grows best in full sun and partial shade, and tolerates most soils and acid and neutral pH. Its UK hardiness is rated H7. Suggested uses include cottage and informal garden.
About
Physocarpus opulifolius 'Diabolo' is a deciduous shrub featuring dark purple, three-lobed foliage. In summer, it produces clusters of small flowers that are white with a hint of pink.
About the genus
Physocarpus consists of robust, deciduous shrubs that produce suckers. They are characterized by their palmately lobed foliage and bear clusters of small cream-colored flowers in early summer, which are succeeded by small, bladder-like brown fruits.
Growing conditions
Best soil and position for Physocarpus
- Sunlight
- Full sun, Partial shade
- Soil type
- Clay, Loam, Sand
- Soil pH
- Acid, Neutral
- Soil moisture
- Moist but well-drained, Well-drained
- Aspect
- West-facing, East-facing, South-facing, North-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H7
Plant details
Physocarpus opulifolius 'Diabolo' size, habit and characteristics
- Plant type
- Shrubs
- Habit
- Suckering
- Foliage
- Deciduous
- Height
- 1.5-2.5 metres
- Spread
- 1.5-2.5 metres
- Time to full height
- 5-10 years
- Suggested uses
- Cottage and informal garden
Care notes
Pruning and caring for Physocarpus opulifolius 'Diabolo'
- Cultivation
- Grows best in acidic, moderately fertile, humus-rich soil but will tolerate alkaline soils. Chlorosis may occur if grown in shallow chalky soil
- Pruning
- Pruning group 2
- Propagation
- Propagate by softwood cuttings in summer or pot up rooted suckers in autumn or spring
- Pest resistance
- Generally pest-free
- Disease resistance
- May be susceptible to honey fungus
Frequently asked questions
How do I grow Physocarpus opulifolius 'Diabolo'?
Grows best in acidic, moderately fertile, humus-rich soil but will tolerate alkaline soils. Chlorosis may occur if grown in shallow chalky soil.
Where is the best place to plant Physocarpus opulifolius 'Diabolo'?
Physocarpus opulifolius 'Diabolo' prefers full sun and partial shade. It suits exposed and sheltered positions.
What soil does Physocarpus opulifolius 'Diabolo' need?
Physocarpus opulifolius 'Diabolo' is adaptable and grows happily in most soil types, including clay, loam and sand. It prefers acid and neutral soil. Aim for soil that stays moist but well-drained to well-drained.
How do I prune Physocarpus opulifolius 'Diabolo'?
Pruning group 2.
How big does Physocarpus opulifolius 'Diabolo' grow?
Physocarpus opulifolius 'Diabolo' reaches a height of 1.5-2.5 metres and a spread of 1.5-2.5 metres. It takes around 5-10 years to reach full size.
Is Physocarpus opulifolius 'Diabolo' hardy in the UK?
Physocarpus opulifolius 'Diabolo' has a UK hardiness rating of H7.
How do I propagate Physocarpus opulifolius 'Diabolo'?
Propagate by softwood cuttings in summer or pot up rooted suckers in autumn or spring.