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Red Valerian

Centranthus ruber
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Centranthus ruber (Red Valerian) — botanical photograph
Pl. DCDB — Centranthus ruber
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Overview

Red Valerian, scientifically known as Centranthus ruber, is a perennial plant native to Turkey and has been introduced into several Mediterranean countries including Albania, Algeria, Azores, Baleares, Corse, France, Greece, Italy, Morocco, Portugal, Sicilia, Spain, Tunisia, Turkey-in-Europe, and Yugoslavia. This hardy plant thrives in full sun and can tolerate both dry and moist conditions, making it adaptable to a range of soil types from light (sandy) to heavy (clay). It grows up to 0.9 meters tall and is commonly found in its native habitat. Red Valerian is not only ornamental with its vibrant red flowers but also edible. The leaves and roots can be used for culinary purposes; the leaves can be eaten raw in salads or cooked as a vegetable, while the roots are typically dug up and used in soups or stews after being boiled. Both parts add a mild flavor to dishes. This plant is native to Turkey and has been introduced into several Mediterranean countries, making it a versatile addition to gardens and landscapes. Its resilience and attractive appearance make it valuable for both ornamental and culinary purposes. While Red Valerian is not known for medicinal uses, gardeners should be cautious when handling the plant as some parts may cause skin irritation or allergic reactions.

Quick answers

What is Red Valerian?

Red Valerian, scientifically known as Centranthus ruber, is a perennial plant native to Turkey and has been introduced into several Mediterranean countries including Albania, Algeria, Azores, Baleares, Corse, France, Greece, Italy, Morocco, Portugal, Sicilia, Spain, Tunisia, Turkey-in-Europe, and Yugoslavia.

Growingconditions · propagation · uses
V

Cultivation

Red Valerian thrives in full sun and prefers well-drained soil that can be light (sandy), medium, or heavy (clay). It is drought-tolerant but will also grow in moist conditions. This perennial is hardy in zones 5-8 and reaches a height of about 0.9 meters. For propagation, gardeners can use seeds or division. The edible parts include the leaves and roots, making it useful both for culinary and ornamental purposes.
Light
Full sun
Water
Dry, Moist
Soil
Light (sandy), Medium, Heavy (clay)
Hardiness
5-8
Life cycle
Perennial
Mature size
0.9 m tall
For first-time growers

How to grow Red Valerian for the first time

8steps

Red Valerian is a hardy, low-maintenance perennial that's perfect for beginners.

  1. 1

    What you'll need

    A small shovel or trowel, seeds or young plants.

  2. 2

    Best time to plant

    Plant in spring after the last frost or in fall before the first freeze.

  3. 3

    Soil and container prep

    Choose a well-draining soil with a pH between 6.0 and 7.5. Ensure containers have drainage holes.

  4. 4

    Sowing or transplanting

    Direct sow seeds in the garden after danger of frost is past, or start indoors 4-6 weeks before planting outside.

  5. 5

    First two weeks

    Water regularly to keep soil moist until plants are established. Avoid overwatering.

  6. 6

    Ongoing care

    Provide full sun and minimal watering once established. Deadhead flowers for continuous bloom.

  7. 7

    Harvest or pruning

    Prune dead foliage in early spring to encourage new growth and maintain shape.

  8. 8

    Common mistakes

    Overwatering, planting in heavy soil, neglecting to prune dead foliage.

VI

Edible & utility

Edible parts:LeavesRoot
Edible uses: Red Valerian's leaves and roots are edible. The leaves can be eaten raw in salads or cooked as a vegetable. Roots are typically dug up and used in soups or stews after being boiled. Both parts add a mild flavor to dishes.
Other uses:Fragrance
Contextrange · companions · related
VII

Distribution

16 native · 45 introduced
Distribution across4 continents· 16 native· 45 introduced
Europe18 regions
native (6)AlbaniaFranceGreeceItalyPortugalSpain
introduced (12)AlbaniaAustriaBelgiumBulgariaFranceGermanyGreeceItalyPortugalSpainUkraineUnited Kingdom
Asia4 regions
native (1)Turkey
introduced (3)PakistanPalestineUzbekistan
Americas1 region
introduced (1)United States
Africa6 regions
native (3)AlgeriaMoroccoTunisia
introduced (3)AlgeriaMoroccoTunisia
Broader regions
native:Turkey-in-Europe, Yugoslavia
introduced:Argentina Northeast, Argentina Northwest, Arizona, California, Cape Provinces, Czechoslovakia, East Aegean Is., Juan Fernández Is., Kriti, Lebanon-Syria, New Zealand North, New Zealand South, Norfolk Is., Oregon, Tasmania, Tristan da Cunha, Turkey-in-Europe, Utah, Washington, Yugoslavia
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Specimen gallery

1 image
Centranthus ruber (Red Valerian) — botanical photograph
Red Valerian (Centranthus ruber)
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Explore further

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