Overview
Valeriana tuberosa is a clump forming herbaceous perennial in the genus Valeriana, part of the Caprifoliaceae family, with deciduous foliage. Valeriana tuberosa grows best in full sun and partial shade, and tolerates loam soils and any pH. Its UK hardiness is rated H4. Suggested uses include cottage and informal garden, wildflower meadow, city and courtyard gardens, coastal, wildlife gardens and flower borders and beds.
About
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.
Growing conditions
Best soil and position for Valeriana
- Sunlight
- Full sun, Partial shade
- Soil type
- Loam
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- West-facing, South-facing
- Exposure
- Sheltered
- UK hardiness
- H4
Plant details
Valeriana tuberosa size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Clump forming
- Foliage
- Deciduous
- Suggested uses
- Cottage and informal garden, Wildflower meadow, City and courtyard gardens, Coastal, Wildlife gardens, Flower borders and beds
Care notes
Pruning and caring for Valeriana tuberosa
- Propagation
- Seed, Basal cuttings, Division
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Valeriana tuberosa?
Valeriana tuberosa prefers full sun and partial shade. It suits sheltered positions.
What soil does Valeriana tuberosa need?
Valeriana tuberosa grows best in loam soil. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.
Is Valeriana tuberosa hardy in the UK?
Valeriana tuberosa has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.
How do I propagate Valeriana tuberosa?
Seed, Basal cuttings, Division.
More in the Valeriana genus
- Valeriana alliariifolia
- Valeriana dioicamarsh valerian
- Valeriana phugolden spikenard
- Valeriana saxatilis
- Valeriana sitchensis subsp. sitchensis