Coltsfoot (Tussilago farfara)
Photo: The Cosmonaut · CC BY-SA 2.5 ca
- Respiratory
- 3 conditions
- Licensed photo
Overview
Coltsfoot is a perennial herb growing to 12 inches with flowering stems covered in purple scales, yellow-gold flowers, and heart-shaped leaves. Indigenous to Europe and northern Asia and naturalized in North America, it is commonly found along roadsides, on verges, and in open areas. The flowers are gathered in late winter, and the leaves in summer.
Traditional uses & properties
In Europe, the leaves are preferred (as they contain lower amounts of pyrrolizidine alkaloids), whereas in China the flowers are favored.
Amounts reported by sources
Preparation amounts are not shown for this herb. It is toxic, restricted, or otherwise unsafe to self-dose - the margin between a traditional dose and a harmful one is too small to publish as reference material. If you are considering it, that conversation belongs with a doctor or a qualified practitioner, not a website.
Safety & precautions
Liver toxicity: Coltsfoot contains pyrrolizidine alkaloids. LiverTox describes these compounds as able to cause sinusoidal obstruction syndrome, a serious form of liver injury, and in 2001 the U.S. FDA advised that supplements containing comfrey or other plants that supply these alkaloids be removed from the market. Do not take coltsfoot by mouth. Do not use it during pregnancy, when breastfeeding, or for children. Subject to legal restrictions in some countries.
Educational reference only - not medical advice. Herbs can interact with medications. Consult a qualified healthcare provider before use. Full disclaimer.
Drug interactions
Interaction data is not available for this herb - talk to a pharmacist before combining it with any medication. A blank entry here means we have not documented interactions, not that none exist.
Habitat
Indigenous to Europe and northern Asia and naturalized in North America. Commonly found along roadsides, on verges, and in open areas. Flowers are gathered in late winter, leaves in summer.
Sources
The interaction notes and the statements on this page that name a source were written by HerbMate from these references, which were last checked in October 2026. They are summaries, not medical advice; ask a pharmacist about your own medicines.
Traditionally used for
Each condition shows its first 2 remedies free. Premium opens the full remedy list for every condition - or come back for the free Condition of the Day.
Frequently asked questions
What is Coltsfoot (Tussilago farfara) traditionally used for?
Traditional sources describe Coltsfoot (Tussilago farfara) as follows: In Europe, the leaves are preferred (as they contain lower amounts of pyrrolizidine alkaloids), whereas in China the flowers are favored.
How is Coltsfoot (Tussilago farfara) prepared?
Preparation amounts are not shown for this herb. It is toxic, restricted, or otherwise unsafe to self-dose - the margin between a traditional dose and a harmful one is too small to publish as reference material. If you are considering it, that conversation belongs with a doctor or a qualified practitioner, not a website.
What safety cautions apply to Coltsfoot (Tussilago farfara)?
Liver toxicity: Coltsfoot contains pyrrolizidine alkaloids. LiverTox describes these compounds as able to cause sinusoidal obstruction syndrome, a serious form of liver injury, and in 2001 the U.S. FDA advised that supplements containing comfrey or other plants that supply these alkaloids be removed from the market. Do not take coltsfoot by mouth. Do not use it during pregnancy, when breastfeeding, or for children. Subject to legal restrictions in some countries.
Related herbs
Bacopa (Bacopa monnieri)Bacopa, also known as Water Hyssop or Brahmi, is a creeping succulent perennial that can grow to about 20 inches. It features spatula-shaped fleshy leaves and pale blue or white flowers on slender stalks. It thrives in marshlands and along the edges of mangrove swamps in warmer temperate and tropical climates, especially southern Asia, where it forms dense mats on mudflats.
Elecampane (Inula helenium)Elecampane (Inula helenium), a perennial reaching up to 10 ft (3 m), produces bright, yellow daisy-like flowers and broad, pointed leaves. Revered since Roman times, it was linked to Helen of Troy in Greek legend. It contains inulin.
Eucalyptus (Eucalyptus globulus)For many people the scent of eucalyptus conjures up days spent in bed during childhood with eucalyptus and other oils smothered on the chest. Eucalyptus is a common ingredient in many over-the-counter cold remedies.
Hyssop (Hyssopus officinalis)Hyssop (Hyssopus officinalis) is a semi-evergreen shrub growing up to about 2 ft (60 cm), with narrow leaves and clusters of bright blue, two-lipped flowers.
Lobelia (Lobelia inflata)Not for self-dosingLobelia is an annual herb growing to 20 inches with lance-shaped leaves and pale blue, pink-tinged flowers. It was used as a 'puke weed' to induce vomiting. Lobelia was also smoked as a substitute for tobacco and was reputed to share some of its magical qualities. Indigenous to North America, especially eastern parts of the United States, it grows by roadsides and in neglected areas, preferring acid soil. The aerial parts are harvested in early autumn when the seed capsules are most numerous and are carefully dried. Its use was later championed by the American herbalist Samuel Thomson (1769-1843), who made the herb the mainstay of his therapeutic system, mainly using it to induce vomiting.
Lungwort (Pulmonaria officinalis)Lungwort is a perennial herb growing to 1 foot with broad oval basal leaves, smaller upper leaves mottled with white spots, and clusters of pink-purple flowers. Native to Europe and the Caucasus, it flourishes in mountain pastures and damp sites. The leaves are gathered in late spring. According to the medieval Doctrine of Signatures, which held that a plant's appearance pointed to the ailment it treated, lungwort got its name because its leaves were said to resemble lung tissue. This folk belief is not scientifically founded.
Mullein (Verbascum thapsus)Mullein (Verbascum thapsus) is an upright biennial reaching up to about 6½ ft (2 m), with distinctive gray-green, oval to lance-shaped leaves that are softly hairy, and tall spikes of bright yellow flowers. The leaves and flowers both contain saponins. Asthma and COPD need medical care.
Spikenard (Aralia racemosa)American spikenard (Aralia racemosa) is a tall, aromatic perennial bush up to about 6½ ft (2 m), with fleshy roots, large compound leaves, and clusters of greenish-white flowers followed by red or purple berries.