Acanthus mollis is a stately perennial known for its large, deeply lobed, glossy green leaves and striking flower spikes. In late spring to summer, tall stems bear spires of white and pale purple flowers, adding height and architectural interest to the garden. Its bold foliage makes it a standout feature in borders or shaded corners.
Ideal for woodland gardens, Mediterranean-inspired plantings, or classic mixed borders. It pairs beautifully with ferns, grasses, and other shade-tolerant plants.
Thrives in partial to full shade and prefers moist, well-drained soil, though it can tolerate drier conditions once established. Space plants 60–90 cm apart to accommodate its broad, spreading habit.
Reaches a mature height of 1–1.5 m and spreads up to 90 cm, creating a dramatic focal point in any garden setting.
Trimming: Trim lightly in early spring to remove dead or damaged growth and maintain the compact, spreading habit.
Fertilising: Apply a general-purpose, slow-release fertiliser in spring to promote healthy growth and vibrant purple foliage.
Watering: Once established, this variety is drought-tolerant but benefits from occasional deep watering during prolonged dry spells. Ensure the soil is well-draining to avoid waterlogging.
Pest Control: Generally pest-free but keep an eye out for aphids or slugs, treating as necessary with insecticidal soap or slug deterrents.
Disease Management: Rarely affected by diseases. Prevent fungal issues by planting in well-drained soil and avoiding overly damp conditions.
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