About
Acanthus mollis Latifolius Group consists of clump-forming perennials characterized by their oversized, glossy leaves, which can reach lengths of up to 1.2 meters and feature shallow lobes. In late summer, the plants produce tall, spiny flower spikes. The blooms can be white or pale pink, each surrounded by hooded bracts that are either green or purple. This group is recognized for its robust foliage, which forms dense clusters, though it may not produce flowers as abundantly as other varieties.
About the genus
Acanthus consists of sturdy herbaceous perennials characterized by their lobed leaves and upright flower spikes featuring two-lipped blooms accompanied by vibrant bracts.
Growing conditions
- Sunlight
- Full sun, Partial shade
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained, Well-drained
- Aspect
- East-facing, North-facing, South-facing, West-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H6
Plant details
- Plant type
- Herbaceous Perennial
- Habit
- Clump forming
- Foliage
- Semi evergreen, Deciduous
- Height
- 1-1.5 metres
- Spread
- 1-1.5 metres
- Time to full height
- 2-5 years
- Suggested uses
- Architectural, Cottage and informal garden
Care notes
- Cultivation
- Grow in sun or part shade, will tolerate most soils but thrives in deep loam. Acanthus need careful positioning as they can be difficult to remove once established. Has the potential to become a nuisance if not managed well
- Pruning
- Cut spent stems down to the base after flowering. Cut back old foliage in spring
- Propagation
- Propagate by division in spring or autumn, or by root cuttings in winter
- Pest resistance
- May be susceptible to slugs and snails
- Disease resistance
- May be susceptible to powdery mildews