Overview

Valeriana officinalis is a clump forming herbaceous perennial in the genus Valeriana, part of the Caprifoliaceae family, with deciduous foliage. It typically grows around 1-1.5 metres tall and 0.5-1 metres wide, reaching full size in around 2-5 years. Valeriana officinalis grows best in full sun and partial shade, and tolerates clay and loam soils and any pH. Its UK hardiness is rated H5. Suggested uses include cottage and informal garden, wildflower meadow, wildlife gardens, flower borders and beds, coastal and city and courtyard gardens. It is native to Belgium, Brussels-Capital Region, Flemish Region and Walloon Region.

About

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.

About the genus

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 has centers of diversity in Eurasia and South America, and is represented by native species on all continents except Antarctica.

Wikipedia contributors, "Valeriana", CC BY-SA 4.0Valeriana

Growing conditions

Best soil and position for Valeriana

Sunlight
Full sun, Partial shade
Soil type
Clay, Loam
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained
Aspect
West-facing, South-facing
Exposure
Sheltered
UK hardiness
H5

Plant details

Valeriana officinalis size, habit and characteristics

Plant type
Herbaceous Perennial
Habit
Clump forming
Foliage
Deciduous
Height
1-1.5 metres
Spread
0.5-1 metres
Time to full height
2-5 years
Suggested uses
Cottage and informal garden, Wildflower meadow, Wildlife gardens, Flower borders and beds, Coastal, City and courtyard gardens
Native to
Belgium, Brussels-Capital Region, Flemish Region, Walloon Region
Fragrance
Strong, distinctive, musky scent especially from roots

Care notes

Pruning and caring for Valeriana officinalis

Cultivation
Prefers moist, well-drained soil in full sun or partial shade; benefits from regular watering during dry periods; mulch in winter to protect roots
Pruning
Cut back to ground level in late winter or early spring to encourage fresh growth
Propagation
Seed, Basal softwood cuttings, Division
Pest resistance
Aphids, Slugs, Snails
Disease resistance
Generally disease-free

Frequently asked questions

How do I grow Valeriana officinalis?

Prefers moist, well-drained soil in full sun or partial shade; benefits from regular watering during dry periods; mulch in winter to protect roots.

Where is the best place to plant Valeriana officinalis?

Valeriana officinalis prefers full sun and partial shade. It suits sheltered positions.

What soil does Valeriana officinalis need?

Valeriana officinalis grows best in clay and loam soil. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.

How do I prune Valeriana officinalis?

Cut back to ground level in late winter or early spring to encourage fresh growth.

How big does Valeriana officinalis grow?

Valeriana officinalis reaches a height of 1-1.5 metres and a spread of 0.5-1 metres. It takes around 2-5 years to reach full size.

Is Valeriana officinalis hardy in the UK?

Valeriana officinalis has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.

How do I propagate Valeriana officinalis?

Seed, Basal softwood cuttings, Division.

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