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IIIFolio · plant profile№ 42F2medicinal
Data provenanceTrefle2 refseditorially reviewedreviewed 12 Oct 2026methodology → read
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Valerian

Valeriana officinalisfam. Valerianaceae

An assertive root with documented sedative-hypnotic action via GABA-A. The classic herbal sleep aid.

Educational content — not medical, botanical, or professional advice. Always consult a qualified clinician before using any herbal preparation — especially during pregnancy, breastfeeding, while on medication, or for children. How we source & review →
medicinalanxietyherbmedicinalnative eusleep
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Valeriana officinalis (Valerian) — botanical photograph
Pl. 42F2 — Valeriana officinalis
Valeriana officinalisValeriana officinalisValeriana officinalisValeriana officinalisValeriana officinalisValeriana officinalisValeriana officinalisValeriana officinalisValeriana officinalisValeriana officinalisValeriana officinalisValeriana officinalisValeriana officinalisValeriana officinalis
I

Overview

Valerian (Valeriana officinalis) is a perennial herb belonging to the family Valerianaceae and is native to temperate regions of Europe and parts of Asia. This plant has been used for centuries due to its documented medicinal properties, particularly in improving sleep quality and reducing stress and anxiety. The root, which is often harvested, contains compounds such as valerenic acid that contribute to its beneficial effects. Valerian thrives in slightly alkaline soil with a pH between 7 and 7.5, making it adaptable to various growing conditions while maintaining light requirements typical of forbs or herbs. It prefers well-draining soil and regular watering to keep the soil consistently moist but not waterlogged. Valerian is hardy in temperate regions, though its specific USDA Hardiness Zone isn't specified here. The distinctive feature of valerian lies in its ability to provide mild relief from sleep latency issues and stress, making it a valuable addition to traditional medicine practices. However, it's important to use valerian under the guidance of a healthcare professional due to potential interactions with other medications.

Quick answers

What is Valerian?

Valerian (Valeriana officinalis) is a perennial herb belonging to the family Valerianaceae and is native to temperate regions of Europe and parts of Asia. This plant has been used for centuries due to its documented medicinal properties, particularly in improving sleep quality and reducing stress and anxiety.

What is Valerian used for?

Traditionally used for better sleep, stress & anxiety. Each claim is evidence-rated — see Section II for full citations.

Is Valerian safe?

3 documented contraindications — review Section III before use. Always consult a clinician for medical conditions, pregnancy, or medication interactions.

Best for
Top 2 evidence-ranked uses of Valerian
Jump to full evidence →
Clinicaluses · safety · chemistry · dosagemedicinal profile
II

Benefits & evidence

2 claims · 2 cited sources
  • Reduces sleep latency

    Valerenic acid binds GABA-A β3 subunit. Meta-analyses show small-to-moderate effect on subjective sleep quality.

    ▲ StrongBetter sleep →1 source
  • Mild reduction in tension

    Same GABAergic mechanism. Smaller effect than for sleep.

    ▲ ModerateStress & anxiety →1 source
II

Cautions & contraindications

3 cautions
CNS depressants
Strong additive sedation with alcohol, benzodiazepines, opioids.
warning
pregnancy
Pregnancy / lactation: insufficient safety data. Avoid.
warning
driving
May impair next-morning alertness; avoid before driving.
warning
Need audience-specific safety verdicts? See dogs, cats, children, pregnancy, or breastfeeding guides.
III

Active compounds

1 listed
Valerenic acidPhenolicmarker0.100–0.900%
alkaloidterpeneflavonoidglycosidephenolicpolysaccharide
IV

Dosage

FormDoseFrequencyDuration
Infusion / tea
Mild potency
2.000–3.000 g / 240 ml1–3× dailyUp to 28 days
Standardized capsule
Moderate potency
300.000–600.000 mg1× dailyUp to 28 days
Tincture (1:5, 45%)
Moderate potency
1.000–3.000 ml1–3× dailyUp to 28 days
IV·b

Mixology suggestions

2 drafts
Editorial drafts. These pairings are AI-suggested from traditional herbal lore. Always verify with a qualified herbalist before brewing.
Evening Calm
sleep
tea
Traditional bedtime infusion.
Relaxing Blend
stress
tincture
Historically used for calming the mind.
Growingconditions · propagation · uses
V

Cultivation

Valerian thrives in light that is moderately bright, requiring a 7 out of 10 on the light scale. It prefers well-draining soil with a pH between 7 and 7.5, making it suitable for slightly alkaline conditions. Water regularly to keep the soil consistently moist but not waterlogged. Valerian is hardy in temperate regions, though its specific zone isn't specified here. Propagate via division or seed sowing in spring. Given its native range across Europe and parts of Asia, this plant can adapt well to similar climates.
Light
7/10
Habit
Forb/herb
Soil pH
7–7.5
For first-time growers

How to grow Valerian for the first time

7steps

Start with planting Valerian in a well-prepared soil and follow basic care instructions for the first two weeks.

  1. 1

    What you'll need

    Valerian seeds or root cuttings, potting mix suitable for herbs, containers if starting indoors.

  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

    Use a well-draining soil with a pH of 7–7.5, ensuring containers are at least 12 inches deep.

  4. 4

    Sowing or transplanting

    Direct sow seeds in the garden or start root cuttings indoors about 6 weeks before outdoor planting.

  5. 5

    First two weeks

    Keep soil consistently moist and provide partial shade to prevent wilting. Monitor for pests.

  6. 6

    Ongoing care

    Water regularly, especially during dry spells, and mulch around the base to retain moisture. Prune dead foliage as needed.

  7. 7

    Harvest or pruning

    Prune back after flowering to encourage new growth and prevent self-seeding.

Contextrange · companions · related
VII

Distribution

29 native · 32 introduced
Distribution across2 continents· 29 native· 32 introduced
Europe17 regions
native (16)AlbaniaAustriaBelarusBulgariaDenmarkFinlandFranceGermanyHungaryItalyPolandRomaniaRussiaSwedenSwitzerlandUkraine
introduced (1)Greece
Asia2 regions
native (2)IranTurkey
Broader regions
native:Baltic States, Czechoslovakia, Transcaucasus, Turkey-in-Europe, Yugoslavia
introduced:British Columbia, Connecticut, Idaho, Illinois, Indiana, Iowa, Labrador, Maine, Manitoba, Maryland, Masachusettes, Michigan, Minnesota, Montana, New Brunswick, New Hampshire, New Jersey, New York, Newfoundland, Nova Scotia, Ohio, Ontario, Oregon, Pennsylvania, Prince Edward I., Québec, Vermont, Washington, West Virginia, Wisconsin, Yukon
VIII

Garden companions

1 pair
Plant near these

These plants help — by repelling pests, fixing nitrogen, attracting pollinators, or sharing space well.

IX

Specimen gallery

1 image
Valeriana officinalis (Valerian) — botanical photograph
Valerian (Valeriana officinalis)
X

See also

8 related
XI

Explore further

XII

About this entry

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