Erysimum 'Hector Harrison' is a well-branched, evergreen wallflower in the cabbage family (Brassicaceae) that flowers from April to September. It prefers full sun and free-draining soils on alkaline or neutral ground. Suitable for south-, west- or east-facing sites, it tolerates both exposed and sheltered positions. Use it in containers, city courtyards, cottage borders and wildlife-friendly beds.

Erysimum 'Hector Harrison' is an evergreen wallflower that blooms April to September in full sun on well-drained neutral to alkaline soils.

Erysimum 'Hector Harrison'

Wallflower (Erysimum 'Hector Harrison') | April–Sept

Erysimum 'Sweet Sorbet' is a herbaceous perennial cultivar within the Erysimum genus, known for its bushy, columnar upright habit and evergreen foliage. This plant thrives in full sun and is suitable for south- or west-facing aspects, tolerating both exposed and sheltered conditions. It prefers well-drained, fertile moist soils such as chalk, loam, or sand with an alkaline to neutral pH. Hardy to UK zone H5, it is ideal for cottage gardens, patios, wildlife gardens, and flower borders, providing interest through summer and autumn. Propagation is typically by softwood cuttings in spring or summer.

Erysimum 'Sweet Sorbet' is a hardy herbaceous perennial with evergreen foliage, ideal for sunny borders and containers, flowering in summer and autumn.

Erysimum 'Sweet Sorbet'

Erysimum WallArt Citric ('Doerywaci') is a herbaceous perennial cultivar within the Erysimum genus, known for its bushy, columnar upright habit and evergreen foliage. This plant thrives in full sun on well-drained, fertile soils such as chalk, loam, or sand with neutral to alkaline pH. It is hardy to UK zone H5 and is suitable for both exposed and sheltered locations, favouring south- or west-facing aspects. Flowering in summer and autumn, it is well-suited to cottage and informal gardens, patios, containers, wildlife gardens, and flower borders, with propagation achieved through softwood cuttings in spring or summer.

Erysimum WallArt Citric is a hardy herbaceous perennial with evergreen foliage, ideal for full sun, summer to autumn colour, and versatile garden use.

Erysimum WallArt Citric ('Doerywaci') (WallArt Series)

Erysimum capitatum is a species of wallflower known commonly as the sanddune wallflower, western wallflower, or prairie rocket.

Erysimum capitatum, the sanddune wallflower, thrives in full sun and is hardy to H5, ideal for coastal and wildlife gardens, borders, and gravel areas.

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

Erysimum, or wallflower, is a genus of flowering plants in the cabbage family, Brassicaceae. It includes more than 150 species, both popular garden plants and many wild forms.

Erysimum capitatum

Erysimum hungaricum is a bushy, columnar upright herbaceous perennial within the Erysimum genus, known for its slender leaves and compact clusters of four-petalled flowers. This evergreen plant thrives in full sun and prefers south- or west-facing aspects, tolerating both exposed and sheltered conditions. It grows best in well-drained chalk, loam, or sand soils with neutral to alkaline pH. Hardy to UK zone H5, it is suited to cottage and informal gardens, patios, wildlife gardens, and flower borders, providing interest through summer and autumn. Propagation is typically by softwood cuttings taken in spring or summer.

Erysimum hungaricum is an evergreen herbaceous perennial with slender leaves and compact flowers, perfect for sunny borders and wildlife gardens in summer and

Erysimum hungaricum

Erysimum kelveticum is a herbaceous perennial cultivar within the Erysimum genus, known for its bushy, columnar upright habit and evergreen foliage. This plant thrives in full sun on south- or west-facing aspects and is suited to a range of soil types including chalk, loam, and sand, provided the soil is well-drained and neutral to alkaline. Hardy to UK zone H4, it is ideal for cottage and informal gardens, patios, containers, and wildlife-friendly spaces. The cultivar is best grown in fertile, moist soil and can be propagated by softwood cuttings in spring or summer, with interest lasting through summer and autumn.

Erysimum kelveticum is a hardy herbaceous perennial with evergreen foliage, ideal for sunny borders, patios, and wildlife gardens from summer to autumn.