Centranthus angustifolius is a semi-evergreen cultivar of the Centranthus genus, known for its columnar upright habit. As a member of the Caprifoliaceae family, it thrives in full sun and is well suited to south- or west-facing, exposed sites. This plant prefers well-drained, fertile soils such as chalk, loam, or sand with an alkaline to neutral pH. Hardy to UK zone H5, it is ideal for coastal, cottage, and gravel gardens, as well as wildlife gardens and flower borders. Its season of interest spans summer and autumn, with propagation by seed sown in spring or division in early spring.

Centranthus angustifolius is a semi-evergreen with a columnar habit, thriving in full sun and ideal for coastal and cottage gardens from summer to autumn.

Centranthus angustifolius

Centranthus ruber, commonly known as red valerian, is a columnar upright herbaceous perennial belonging to the Caprifoliaceae family. It typically grows to a height of 0.5 to 1 metre with a spread of 0.1 to 0.5 metres, reaching full height within 2 to 5 years. This semi-evergreen plant thrives in full sun on well-drained chalk, loam, or sand soils with neutral to alkaline pH. Native to Flanders, it is drought resistant and is best suited to south- or west-facing, exposed locations, offering seasonal interest in both spring and autumn.

Red valerian (Centranthus ruber) is a columnar herbaceous perennial growing 0.5-1m tall, flowering in spring and autumn in full sun.

Valeriana is a genus of flowering plants in the family Caprifoliaceae, members of which may be commonly known as valerians. It contains many species, including the garden valerian, Valeriana officinalis.

Centranthus ruber

Red valerian | Centranthus ruber

Centranthus ruber 'Albus' is a white-flowered cultivar of red valerian, a semi-evergreen herbaceous perennial in the Caprifoliaceae family. It has a columnar upright habit, growing between 0.5 and 1 metre tall with a spread of 0.1 to 0.5 metres, reaching full height in 2 to 5 years. Native to Flanders, this drought-resistant plant thrives in full sun on well-drained alkaline or neutral soils such as chalk, loam, or sand. It is suited to exposed, south- or west-facing aspects and provides interest during spring and summer.

Centranthus ruber 'Albus' is a white-flowered red valerian with a columnar habit, flowering in spring and summer, thriving in full sun.

Centranthus ruber 'Albus'

Red valerian (white form) | Centranthus ruber 'Albus'

Centranthus ruber 'Atrococcineus' is a perennial treasured for its massed red flowers and summer-long display. It grows to about 0.9 m and favours a sunny aspect in the garden. Plant in freely draining soils — sandy, loamy or even clay that drains — and give it full sun exposure. Flowers appear from June to September.

Red valerian 'Atrococcineus' (Centranthus ruber) is a fully hardy perennial to 0.9 m that flowers from June to September.

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

Centranthus ruber 'Atrococcineus'

Red valerian 'Atrococcineus' | Centranthus ruber 'Atrococcineus'

Centranthus ruber 'Coccineus' is a columnar upright perennial in the Caprifoliaceae, notable for an extended summer flowering display. It is semi-evergreen and produces clusters of blooms from June to September. The cultivar prefers a sunny, south- or west-facing position in well-drained soil. It suits exposed coastal sites as well as sheltered garden corners.

Red Valerian Centranthus ruber 'Coccineus' flowers from June to September and prefers full sun on well-drained alkaline or neutral soil.

Centranthus ruber 'Coccineus'

Red Valerian | Centranthus ruber 'Coccineus'

Centranthus ruber mauve-flowered is a semi-evergreen cultivar of the Centranthus genus, which includes annuals or perennials with simple, opposite leaves and clusters of small, trumpet-shaped flowers at the stem tips. This cultivar has a columnar upright habit and thrives in full sun, ideally in south- or west-facing, exposed positions. It prefers well-drained, fertile soils such as chalk, loam, or sand with neutral to alkaline pH. Hardy to UK zone H5, it is suitable for coastal, cottage, gravel, and wildlife gardens, as well as flower borders and beds, providing interest through summer and autumn.

Centranthus ruber mauve-flowered thrives in full sun, is hardy to RHS H5, and adds summer to autumn colour in coastal and cottage gardens.