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Salvia officinalis

Salvia officinalis

Strongly aromatic sage leaves.

Grey-green leaves and blue flowers.

Family
Lamiaceae
Plant type
Subshrub
Safety level (indicative)
Caution
What the safety levels mean (expand legend)
  • Generally recognised as safe. Often a common herb with reasonable harvest and use; still read the specific warnings on the card.
  • Information. Primarily informational — details in the text and warnings below matter most.
  • Caution. Needs extra care (dose, duration, sensitive groups, interactions).
  • Risky. Significant risks — verify sources, contraindications and professional guidance.
  • Not for home experimentation. Not suitable to experiment with at home without knowledge and certainty.
  • High risk for internal use. Particular risk with internal use (e.g. alkaloids); avoid prolonged or irresponsible dosing.
  • Not specified. Level not filled in yet — rely on individual warnings and links below.
Salvia officinalis — plant habitus (Wikimedia Commons).

Photograph on Wikimedia Commons (CC BY-SA 3.0).

Plant habit

Safety — read before use

For this herb it is important to check warnings, mix-ups and cautions. Start with the Safety section.

Quick overview

A practical summary; details are in the sections below.

Safety grade
Caution·details
Scientific sources on the card
Yes — sources are listed with claims·Science section
When and what to harvest
  • Leaf — May–September
Full harvest section
Processing methods

Herbal infusion (tea), Inhalation, Honey macerate, Incense / smoke offering

All methods and recipes on the card
Topics and symptoms

Digestion, Focus and attention, Head tension & headaches…

Topics section · Symptoms overview

Identification and mix-ups

Subshrub in Lamiaceae with square stems densely covered in woolly hairs. Leaves opposite, ovate to lanceolate, petiolate, with a strongly rugose (net-veined) surface and greyish-green tomentose blade; crushed leaves release a characteristic strong resinous scent. Flowers two-lipped, violet to blue-violet, arranged in interrupted whorls at branch tips.

Possible mix-ups and risks

Most likely confused with woodland sage (Salvia nemorosa) and whorled sage (Salvia verticillata), both Lamiaceae, which have notably shorter, less woolly and darker leaves without the pronounced resinous scent. Non-flowering sage plants may superficially resemble other woolly-leaved Lamiaceae; mullein (Verbascum spp., Scrophulariaceae) can look similar but lacks square stems and the opposite leaf arrangement.

Similar herbs

  • Origanum vulgare

    Lamiaceae herbs in teas and cooking; watch for precise species identification when foraging.

  • Thymus serpyllum

    Thyme and sage — often paired in the herb garden; different aromatics and safety topics.

  • Mentha × piperita

    Culinary and tea Lamiaceae herbs; mint is refreshing while sage tends to be denser and more bitter.

Topics and symptoms

More topics are in the symptoms and topics overview.

Sources

Geographic occurrence

  • Czechia

    Common (expected wild occurrence in the region)

    Widespread occurrence in the Czech Republic in suitable habitats.

  • Austria

    Occasional (garden, cultivation, or fringe of the range)

    Wave 1 (seed): often cultivation or border-range occurrence — refine per species and source.

  • Germany

    Occasional (garden, cultivation, or fringe of the range)

    Wave 1 (seed): often cultivation or border-range occurrence — refine per species and source.

  • Hungary

    Occasional (garden, cultivation, or fringe of the range)

    Wave 1 (seed): often cultivation or border-range occurrence — refine per species and source.

  • Poland

    Occasional (garden, cultivation, or fringe of the range)

    Wave 1 (seed): often cultivation or border-range occurrence — refine per species and source.

  • Slovakia

    Occasional (garden, cultivation, or fringe of the range)

    Wave 1 (seed): often cultivation or border-range occurrence — refine per species and source.

  • France

    Common (expected wild occurrence in the region)

    France: occurrence for the main European catalogue taxa — refine with national atlases / red lists.

  • Morocco

    Common (expected wild occurrence in the region)

    Maghreb top 20 — verify with atlases, national floras, and cultivated occurrence.

Harvest

  • LeafMay–September

    léto

    Region: Czechia

    Notes: Aerial parts/leaf before full flowering.

Storage

  • Drying(Leaf)

    Keep dried plant material in a sealed container.

    Light:
    Out of direct UV.
    Moisture:
    Low relative humidity.

Processing methods on this herb card

  • Herbal infusion (tea)(Leaf)Suitability: High suitability

    Infusion or brief extraction in hot water; usually without long boiling.

    Full method description (from the catalogue)

    In the narrow sense, “tea” often means an infusion: you pour water just off the boil over the dried plant matter and let it steep for a few minutes. Temperature, steep time, and the herb-to-water ratio change both flavour and what dissolves into the liquid.

    Compared with a decoction, heat exposure is shorter and gentler; tender leaves and flowers are often better as an infusion than with prolonged simmering. For each herb, always follow the plant card for suitable plant part, preparation, and safety notes — general rules never replace species-level judgement.

    Traditional context for this method: yes·Scientific context for this method: no

    Common sage leaf tea

    About 8 minBeginnerScience profile

    Open recipe →

  • Inhalation(Leaf)Suitability: Medium suitability

    Breathing steam from a herbal infusion; mind temperature and irritants.

    Full method description (from the catalogue)

    Steam inhalation brings moisture and dissolved volatiles toward upper-airway mucosa. Temperature must be safe — distance above the bowl or a dedicated inhaler reduces scald risk.

    Keep first sessions short; stop if dizzy.

    Traditional context for this method: yes·Scientific context for this method: no

    Steam inhalation over sage

    About 15 minBeginnerScience profile

    Open recipe →

  • Honey macerate(Leaf)Suitability: Medium suitability

    Macerating plant material in honey (a honey conserve).

    Full method description (from the catalogue)

    Honey as a maceration medium creates a viscous mixture with its own biochemistry: water activity, acidity, and enzymes influence shelf life and flavour. Traditionally it is used with delicate flowers or herbs when you want aroma bound into honey.

    Infant botulism guidance for honey and honey safety in general sit outside a single herb page; maceration time, ratios, and storage must follow a vetted recipe and source, not this general overview alone.

    Traditional context for this method: yes·Scientific context for this method: no

    Garden sage honey

    About 30 minBeginnerScience profile

    Open recipe →

  • Incense / smoke offering(Leaf)Suitability: High suitability

    Burning or heating aromatic plant material (smoke, steam).

    Full method description (from the catalogue)

    Incense may be dried herb, resin blends, or preparations on charcoal. The effect is sensory and cultural; smoke can irritate airways in sensitive people.

    Ventilate the space; use non-flammable bases and heat-safe vessels.

    Traditional context for this method: yes·Scientific context for this method: no

    Dried sage for incense

    About 15 minBeginnerScience profile

    Open recipe →

Traditional / spiritual use

Kept separate from science — entries are cultural or symbolic, not medical advice.

Related guides in the library

  • Clipped sage and a strong Mediterranean shrub

    General

    Traditional useFolk useHerbal lore

    Garden sage is tied to Mediterranean beds, kitchens, and a bold shrub silhouette. A neatly trimmed hedge pairs with care-for-home imagery — not with medical promises from ornament alone.

    Form:
    čaj, kuchyně, kouření listu v minulosti
    Claim strength:
    Tradition
    Source note:
    Historical and kitchen layers — not treatment instructions.

Scientific notes

Each claim lists a study type and a source (URL or DOI) where available. Dose notes from the literature are informational only.

How to read evidence strength and study type labels

Labels summarise how the catalogue entry is tagged — they are not a medical verdict on efficacy. For every row, read the summary, limitations and source link.

Evidence strength

Evidence level not specified
The author did not grade the record; judge from the summary, limitations and source link.
Narrative / orientational literature
Descriptive or expert literature without controlled group comparison — context rather than proof of effect.
Weak evidence
Study or conclusion with major methodological limits; treat only as a pointer for further reading.
Preliminary findings
First or smaller studies — interesting direction, not the final word on efficacy or safety.
Moderate strength of evidence
Moderate strength by study design; sample and context limits still apply.
Stronger evidence
Stronger design or consistency of results within the study's stated limits.
Review article
A review summarises multiple sources; quality depends on review method and field.

Study type

Narrative / expert text
Expert text or overview without a classical study design.
In vitro study
Cell culture or test-tube experiment — does not show an effect in the body.
Animal study
Animal model — transfer to humans is not automatic.
Observational study
Observing groups without random treatment assignment; confounding is possible.
Clinical trial
Human clinical trial; sample size and control group matter.
Randomised controlled trial
Randomised controlled trials are among the stronger designs when well conducted.
Review study
A review aggregates multiple papers — quality depends on selection rules.
Systematic review
Systematic review with explicit search and selection methodology.
Meta-analysis
Statistical pooling of studies; outcome depends on input data and heterogeneity.
Regulatory assessment / monograph (EMA, WHO…)
Regulatory body summary for a herbal product — different context from a single RCT; often about products, not home tea.
Expert monograph (herbal preparations)
Structured literature summary for a plant or drug — quality depends on author and edition year.

  • Salvia officinalis thujone-related convulsant risk is documented at high extract exposure; culinary sage intake is generally far lower than experimental boluses.

    Evidence level not specifiedNarrative / expert text

    Limitations: Pregnancy and epilepsy precautions for concentrated extracts; seizure threshold interactions in case literature.

    Reference into the scientific literature (orientation)

  • The EMA HMPC monograph for sage leaf describes traditional oral forms including tea; a home infusion does not have a standardized strength.

    Review articleRegulatory assessment / monograph (EMA, WHO…)Year: 2017

    Preparation form in the study: infusion

    Active compound / focus: terpenes, phenolic acids (per the document)

    Limitations: Thujone and related limits in the document do not apply directly to a kitchen cup, though the precautionary principle still applies.

    Dose note (from literature): See the PDF for preparations.

    EMA Committee on Herbal Medicinal Products (HMPC) — European Medicines Agency

    EMA: Final assessment report on Salvia officinalis L., folium and aetheroleum (revision 1)

Images

The main photo is in the card header. More images will appear here when available.

Safety

What the warning types mean

The type on each warning helps group themes — it does not replace the separate severity badge.

Internal use
Risks from swallowing, extracts, duration of use or concentration for internal use.
Interactions / medicines
Possible effect on medicines or concurrent treatment — check sources and a professional.
Raw plant parts
Raw, unripe or poorly prepared plant parts can be dangerous.
Toxins and regulation
Toxic constituents or regulated compounds (e.g. in distillates).
Contact with the plant
Skin or mucosa irritation from contact with fresh plant or sap.
Allergy
Allergic reactions, often linked to family sensitisation.
Harvesting and contamination
Contamination, species mix-ups or harvesting from unsuitable places.

No structured safety records yet.