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Harmless🍽️ Edible💊 Medicinal

🧄 Garlic mustard

Alliaria petiolata · Brassicaceae

🌳 Temperate Europe🏔️ Mountains
🧠 To remember it"Garlic mustard: smells like garlic, acts like mustard" — crushing it is all you need to be sure: no other plant in our undergrowth combines heart-shaped leaves with such a clear garlic smell.
Garlic mustard — Alliaria petiolata

🔍 Identify it without mistakes

Biennial of forest edges and hedgerows whose absolute identification key is olfactory: crushing a leaf releases a distinct garlic smell, even though it actually belongs to the cabbage family and has no botanical relation to garlic. In its first year, it forms a rosette of heart-shaped leaves; in its second year, it produces a flowering stalk with small, white cross-shaped flowers typical of the Brassicaceae family.

  1. distinct garlic smell when leaves are crushed (decisive key feature)
  2. heart-shaped, coarsely toothed leaves, forming a rosette in the 1st year
  3. small white flowers with 4 cross-shaped petals (typical Brassicaceae), 2nd year
  4. fruits in long erect siliques, like wild mustard
  5. angular stem, often slightly hairy at the base
Size30-100 cm (2nd year)
FloweringApril-June
Habitatdamp forest edges, hedgerows, undergrowth, shady waste ground, rich soils

⚠️ Not to be confused with

Ground ivy (different smell) or sweet violet (at the rosette stage before flowering) (Glechoma hederacea / Viola sp.)none, all are edible

To tell them apart: only garlic mustard gives off a clear garlic smell when crushed; ground ivy smells like peppermint, while violets have no strong smell

🍽️ Eating it

Partsleaves, flowers, seeds, root
Seasonyear-round, leaves mainly February-May before flowering
Tastemild garlic, slightly peppery, light bitterness as it ages

Preparation : raw leaves and flowers in salads or pesto (garlic flavor without the heat); does not tolerate long cooking well, which makes it lose its aroma and develop bitterness; grated root works as a horseradish substitute

💊 Healing with it

traditionally used as an antiseptic and mild vermifuge, rich in sulfur compounds similar to those found in garlic

Level of evidence : traditional use — ethnobotanical compilations (PFAF)

⚠️ no major known contraindications at food doses

🪓 Other bushcraft uses

  • classified as an invasive plant in North America where it inhibits the germination of surrounding trees (allelopathic effect) — a textbook example of a plant that is useful in Europe but harmful elsewhere
Sources (2)

No entry replaces a certain identification in the field, or medical advice. When in doubt: don't eat it. If ingestion is suspected: poison control or 112/911.