About

Acanthus hirsutus subsp. syriacus is a perennial herb that forms dense clumps and reaches heights of up to 75 cm. It features a rosette of lance-shaped leaves that are dark green, serrated, and prickly, arising from pointed buds. During the summer months, the plant produces short floral spikes adorned with creamy-pale-yellow blooms, each encased in reddish-brown bracts. The entire plant, including the leaves, stems, and flower spikes, is coated in fine, silky hairs.

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, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Well-drained
Aspect
East-facing, North-facing, South-facing, West-facing
Exposure
Exposed, Sheltered
UK hardiness
H6

Plant details

Plant type
Herbaceous Perennial
Habit
Columnar upright
Foliage
Deciduous
Height
0.5-1 metres
Spread
0.5-1 metres
Time to full height
2-5 years
Suggested uses
Cottage and informal garden, Mediterranean climate plants, Architectural
Native to
Turkey to Israel

Care notes

Cultivation
Grow in a fertile, well-drained soil; does best in full sun but will tolerate partial shade. Has the potential to become a nuisance if not managed well
Pruning
Cut down old flower stems
Propagation
Propagate by seed or division or from root cuttings
Pest resistance
Generally pest-free
Disease resistance
May be susceptible to powdery mildews