Valeriana alliariifolia is a clump-forming deciduous perennial belonging to the genus Valeriana, which includes annuals, herbaceous perennials, and evergreen shrubs. It thrives in fertile, well-drained loam soil that is moist but well-drained, preferring full sun or partial shade with a sheltered aspect, ideally west- or south-facing. Hardy to UK zone H4, it is suitable for a variety of garden settings such as cottage gardens, wildflower meadows, and coastal or city gardens. This cultivar is best appreciated in spring and summer when it produces terminal clusters of small flowers typical of the genus.

Valeriana alliariifolia is a hardy deciduous perennial ideal for cottage gardens and wildflower meadows, flowering in spring and summer in full sun or partial

Valeriana alliariifolia

Valeriana dioica, commonly known as marsh valerian, is a clump-forming herbaceous perennial within the Valeriana genus, which includes annuals, perennials, and evergreen shrubs. This deciduous plant produces terminal clusters of small flowers in spring and summer, thriving best in fertile, moist but well-drained loam soil under full sun or partial shade, preferably in sheltered, west- or south-facing aspects. It is hardy to UK zone H4 and suits a variety of garden settings, including wildflower meadows, cottage gardens, and coastal areas.

Marsh valerian (Valeriana dioica) is a hardy herbaceous perennial with spring-summer flowers, ideal for wildflower meadows and wildlife gardens.

Valeriana dioica

Marsh valerian | Valeriana dioica

Valeriana officinalis, commonly known as common valerian, is a clump-forming herbaceous perennial in the Caprifoliaceae family. It grows to a height of 1 to 1.5 metres with a spread of 0.5 to 1 metre, reaching full size in 2 to 5 years. This deciduous plant thrives in full sun or partial shade, favouring west- or south-facing, sheltered positions. It prefers moist but well-drained clay or loam soils of various pH levels and is notable for its interest during both summer and winter seasons.

Common valerian (Valeriana officinalis) is a herbaceous perennial growing 1-1.5m tall, flowering in summer and winter, thriving in full sun or partial shade.

Valeriana officinalis

Common valerian | Valeriana officinalis

Valeriana phu, known as golden spikenard or garden valerian, is a clump-forming deciduous perennial within the Valeriana genus, which includes annuals, herbaceous perennials, and evergreen shrubs. It thrives in fertile, moist but well-drained loam soils and prefers full sun to partial shade in sheltered, west- or south-facing aspects. Hardy to UK zone H4, it is suitable for a variety of garden settings including cottage gardens, wildflower meadows, and city courtyards. Its season of interest spans spring and summer, contributing to flower borders and wildlife gardens.

Golden spikenard (Valeriana phu) thrives in full sun or partial shade, hardy to H4, ideal for wildflower meadows and cottage gardens in spring and summer.

Valeriana phu

Golden spikenard | Valeriana phu

Valeriana phu 'Aurea' is a perennial in the Caprifoliaceae grown for its fragrant foliage rather than for dramatic height. It reaches about 0.4 m and flowers from June to September. Plants prefer full sun and tolerate a range of soils so long as they remain well drained. Originating from northern Turkey, its leaves give a noticeable scent when handled.

Golden spikenard 'Aurea' (Valeriana phu 'Aurea') is a 0.4 m perennial with fragrant foliage, flowering June to September in full sun on well-drained soils.

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

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.

Valeriana phu 'Aurea'

Golden spikenard 'Aurea' | Valeriana phu 'Aurea'

Valeriana saxatilis is a clump-forming deciduous cultivar of the Valeriana genus, which includes annuals, herbaceous perennials, and evergreen shrubs. It thrives in fertile, well-drained loam soil that is moist but well-drained, and prefers full sun to partial shade, ideally in a sheltered, west- or south-facing aspect. Hardy to UK zone H4, this plant is suitable for a variety of garden settings including cottage and informal gardens, wildflower meadows, city and courtyard gardens, coastal areas, wildlife gardens, and flower borders. It is typically in season during spring and summer and can be propagated by seed, basal cuttings, or division.

Valeriana saxatilis thrives in full sun or partial shade, hardy to RHS H4, ideal for wildflower meadows and coastal gardens with spring and summer interest.

Valeriana saxatilis

Valeriana sitchensis subsp. sitchensis is a clump-forming deciduous cultivar within the Valeriana genus, which includes annuals, herbaceous perennials, and evergreen shrubs. This plant thrives in full sun or partial shade, favouring west- or south-facing, sheltered positions with moist but well-drained loam soil of any pH. Hardy to UK zone H4, it is suitable for a variety of garden settings such as cottage gardens, wildflower meadows, and coastal or city gardens. It is best planted after the last frost in fertile soil and can be propagated by seed, basal cuttings, or division.

Valeriana sitchensis subsp. sitchensis is a hardy H4 deciduous plant ideal for cottage gardens and wildflower meadows, thriving in full sun or partial shade

Valeriana sitchensis subsp. sitchensis

Valeriana tuberosa, commonly known as mountain spikenard, is a clump-forming deciduous perennial within the Valeriana genus, which includes annuals, herbaceous perennials, and evergreen shrubs. It thrives in full sun or partial shade, favouring west- or south-facing, sheltered positions with moist but well-drained loam soil of any pH. Hardy to UK zone H4, it is suitable for a variety of garden settings including cottage gardens, wildflower meadows, and coastal areas. This cultivar is best planted after the last frost and can be propagated by seed, basal cuttings, or division, with winter providing season-long interest.

Mountain spikenard (Valeriana tuberosa) is a hardy H4 deciduous perennial ideal for winter interest in cottage, wildlife, and coastal gardens.