Acanthus balcanicus is a herbaceous perennial valued for its architectural form. Native to the Balkans, it belongs to the Acanthaceae family and flowers from June to August. Plant in full sun or partial shade in moist, well-drained soil and expect hardy performance in most UK gardens (H5).

Bear's Breeches (Acanthus balcanicus) is a herbaceous perennial from the Balkans that flowers June–August and suits borders and architectural plantings.

https://en.wikipedia.org/wiki/Acanthus_hungaricus

Acanthus balcanicus

Bear's Breeches | Acanthus balcanicus

Acanthus caroli-alexandri is a deciduous cultivar of the Acanthus genus, known for its columnar upright habit. It thrives in full sun or partial shade and is suitable for all garden aspects, including south, west, east, and north-facing positions, provided it is sheltered. This plant prefers well-drained loam or sandy soils with a pH that can be acid, alkaline, or neutral. Hardy to UK zone H4, it is ideal for architectural features, cottage and informal gardens, and flower borders. Propagation is typically by division or root cuttings.

Acanthus caroli-alexandri features bold foliage ideal for architectural garden accents and thrives in well-drained soils.

Acanthus caroli-alexandri

Acanthus dioscoridis is a species of flowering plant in the genus Acanthus, family Acanthaceae. A shrub, it is native to wetlands from southern Turkey to western Iran, including Iraq, Lebanon, Syria, Armenia, Georgia, and Azerbaijan.

Acanthus dioscoridis is a wetland shrub native to the Middle East, ideal for moist garden areas with its striking foliage and architectural form.

https://en.wikipedia.org/wiki/Acanthus_dioscoridis

Acanthus dioscoridis

Acanthus eminens, commonly known as distinguished bear's breech, is a robust perennial from the Acanthaceae family. It features striking lobed foliage and impressive upright flower spikes that are adorned with unique two-lipped blooms and colorful bracts.

Acanthus eminens

Distinguished bear's breech | Acanthus eminens

Acanthus hungaricus, is a herbaceous perennial plant in the genus Acanthus, native to the Balkan peninsula, including Albania, Bulgaria, Greece, Romania, European Turkey, and the former Yugoslavia. This plant is also cultivated in many European and American gardens. It grows to 80 cm tall, with basal clusters of deeply lobed and cut leaves. Leaves are dark green and shiny. Mature plants reach roughly 1-1.5 metres tall and 0.5-1 metres wide, carrying deciduous foliage. In the garden it prefers full sun and partial shade and clay and loam soil. It tolerates soil of any pH, moist but well-drained conditions and south-facing, north-facing, west-facing and east-facing aspects.

Acanthus hungaricus

Long-leaved bear's breech | Acanthus hungaricus

Acanthus longifolius is a deciduous cultivar of the Acanthus genus, known for its columnar upright habit. It thrives in full sun or partial shade and is adaptable to various soil types including chalk, clay, loam, and sand, provided the soil is well-drained. Suitable for all garden aspects and both exposed and sheltered positions, it is hardy to UK zone H6. This cultivar is ideal for architectural planting, low maintenance gardens, flower borders, and cut flowers. Propagation is achieved through division or root cuttings.

Acanthus longifolius features striking architectural foliage, ideal for adding bold texture to shaded UK garden borders.

Acanthus longifolius

Acanthus mollis, commonly known as bear's breeches, sea dock, bear's foot plant, sea holly, gator plant or oyster plant, is a species of plant in the family Acanthaceae and is native to the Mediterranean region. It is a leafy, clump-forming perennial herb, with a rosette of relatively large, lobed or toothed leaves, and purplish and white flowers on an erect spike. It grows to around 1-1.5 metres tall and 1-1.5 metres wide, carrying deciduous foliage. Grow it in full shade, full sun and partial shade and most soil types. It tolerates soil of any pH, well-drained conditions and south-facing, north-facing, west-facing and east-facing aspects.

Acanthus mollis, or bear's breeches, is a hardy, low-maintenance perennial with architectural leaves, ideal for spring and summer borders in full sun or shade.

https://en.wikipedia.org/wiki/Acanthus_mollis

Acanthus mollis

Bear's breech | Acanthus mollis

Acanthus mollis, commonly known as bear's breeches, sea dock, bear's foot plant, sea holly, gator plant or oyster plant, is a species of plant in the family Acanthaceae and is native to the Mediterranean region. It is a leafy, clump-forming perennial herb, with a rosette of relatively large, lobed or toothed leaves, and purplish and white flowers on an erect spike.

Acanthus mollis 'Rue Ledan' is a Mediterranean perennial herb with lush foliage, perfect for full sun gardens as a bold, clump-forming feature.

Acanthus mollis 'Rue Ledan'

Summer Beauty bear's breeches is a hardy Mediterranean perennial ideal for full sun borders and architectural planting with bold, leafy clumps.

Acanthus mollis 'Summer Beauty'

Acanthus mollis 'Latifolius' is a deciduous cultivar of the Acanthus genus, known for its columnar upright habit. It thrives in well-drained loam or sandy soils across a range of pH levels, including acid, alkaline, and neutral. Suitable for sheltered positions with full sun or partial shade, it is hardy to UK zone H4. This cultivar is ideal for architectural features, cottage and informal gardens, as well as flower borders and beds, offering a low-maintenance option. Propagation can be achieved through division or root cuttings.

Acanthus mollis Latifolius features large, glossy leaves and striking spiky flowers, perfect for adding architectural interest to UK gardens.

Acanthus mollis Latifolius

Acanthus perringii is a clump-forming deciduous cultivar of the Acanthus genus, known for its architectural presence in the garden. It thrives in full sun or partial shade and is adaptable to all garden aspects, including south, west, east, and north-facing positions, provided it is sheltered. This cultivar prefers well-drained soils such as loam, chalk, or sand, and tolerates a range of soil pH levels from acid to alkaline. Hardy to UK zone H4, it is suitable for cottage gardens, flower borders, and low-maintenance planting schemes. Propagation is achieved through division or root cuttings.

Acanthus perringii thrives in full sun or partial shade, is hardy to H4, and suits architectural, cottage gardens, and low-maintenance flower borders.

Acanthus perringii

Acanthus spinosus is an herbaceous perennial that reaches about 1.5 metres and is valued for its summer flower spikes. Native to the Mediterranean, it flowers from June to August. It forms clumps 0.6–0.9 metres across and prefers well‑drained, fertile soil of neutral to alkaline reaction. Suited to full sun or partial shade and used in borders and architectural plantings.

Spiny bear's breech (Acanthus spinosus) is a hardy herbaceous perennial that flowers June to August and suits well‑drained, neutral to alkaline soils.

https://en.wikipedia.org/wiki/Acanthus_spinosus

Acanthus spinosus

Spiny bear's breech | Acanthus spinosus

Acanthus spinosus spinosissimus is a herbaceous perennial in the Acanthaceae, notable for deeply cut leaves with spiny margins and erect flower spikes. It produces white flowers set against maroon bracts and flowers in the UK from June to August. It grows well in full sun or partial shade and prefers moist, well-drained soil. Often used where bold basal foliage and vertical flower stems are wanted.

Spiny Bear's Breech (Acanthus spinosus spinosissimus) is a herbaceous perennial with spiny, divided leaves and white flower spikes June to August.