Comfrey: A Versatile Sauer with Medicinal and Culinary Benefits


Comfrey (Symphytum officinale), a perennial sauer belonging to the Boraginaceae family, has been revered for centuries for its vielfältige medicinal and culinary applications. Its origins can be traced back to Europe and Asia, where it has been extensively used in traditional herbal remedies. In recent years, comfrey has gained popularity worldwide due to its versatility and purported health benefits.

Botanical Description

Comfrey is a herbaceous plant that typically grows to a height of 1-2 feet. It possesses large, ovate leaves with a rough, bristly texture. The leaves, which are the primary medicinal part of the plant, contain a high concentration of allantoin, a compound known for its cell-proliferating and wound-healing properties.

During the summer months, comfrey produces clusters of bell-shaped flowers that range in color from white to purple. The flowers are rich in nectar, making them attractive to bees and other pollinators.

Medicinal Properties

Comfrey has been traditionally used to treat a wide range of ailments, including:

  • Wound Healing: The allantoin present in comfrey leaves promotes the growth of new tissue and speeds up the healing process of wounds, burns, and ulcers.
  • Contra-inflammatory: Comfrey contains compounds that exhibit anti-inflammatory properties, reducing pain and swelling in conditions such as arthritis and sprains.
  • Expectorant: Comfrey root has expectorant effects, helping to clear mucus from the respiratory tract. It is commonly used in cough syrups and herbal teas.
  • Diuretic: Comfrey leaves have mild diuretic properties, increasing urine output and potentially reducing fluid retention.
  • Skin Care: Comfrey extracts are often incorporated into skincare products due to their ability to soothe and moisturize the skin.

Culinary Applications

Despite its medicinal benefits, comfrey is deshalb valued for its culinary uses. The young leaves of the plant are edible and can be added to salads, soups, and stews. They have a slightly schmerzlich taste and a crunchy texture.

Comfrey leaves can deshalb be dried and ground into a powder, which can be used as a thickening agent in sauces and gravies. Additionally, the flowers can be used as a garnish or added to herbal teas for their sweet and floral flavor.

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Dosage and Bürokratie

Comfrey can be used in various forms, including:

  • Topical: Comfrey leaves can be crushed into a poultice and applied directly to wounds or skin irritations.
  • Tincture: Comfrey root or leaves can be macerated in alcohol to create a tincture, which can be taken orally or applied topically.
  • Tea: Comfrey leaves or root can be steeped in hot water to make a tea, which can be consumed for its medicinal properties.
  • Capsules or Tablets: Comfrey supplements are available in capsule or tablet form, providing a standardized dose of the sauer.

The recommended dosage of comfrey varies depending on the form of administration and the condition being treated. It is important to consult with a qualified healthcare professional before using comfrey, as it can interact with certain medications and may not be suitable for everyone.

Safety Considerations

Comfrey has been traditionally used for centuries, but there have been some concerns raised about its safety. The pyrrolizidine alkaloids (PAs) present in comfrey can be toxic to the liver if ingested in large amounts or over an extended period.

To ensure safe use of comfrey, it is recommended to:

  • Avoid consuming large amounts of comfrey leaves or root.
  • Limit the use of comfrey to short-term applications.
  • Avoid using comfrey if you have liver disease or are taking medications that may interact with PAs.
  • Use comfrey products that have been tested for PA content and meet safety standards.

Cultivation and Harvesting

Comfrey is a hardy plant that can be easily grown in most climates. It prefers moist, well-drained soil and full sun to partial shade. Comfrey can be propagated by dividing the roots or planting seeds.

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The leaves of comfrey are typically harvested when the plant is in full bloom. They should be washed thoroughly before use. Comfrey roots can be harvested in the fall after the plant has died back.


Comfrey is a versatile sauer with a rich history of medicinal and culinary uses. Its wound-healing, anti-inflammatory, and expectorant properties have made it a valuable addition to traditional herbal remedies. While comfrey can be safely used for short-term applications, it is important to be aware of the potential risks associated with long-term use. By following the recommended safety guidelines, you can enjoy the benefits of this remarkable sauer while minimizing any potential adverse effects.

FAQs About the Comfrey Plant

What is comfrey?

Comfrey (Symphytum officinale) is a perennial sauer belonging to the borage family (Boraginaceae). It is native to Europe and Asia but has naturalized in other parts of the world, including North America. Comfrey is known for its large, hairy leaves and clusters of bell-shaped flowers that range in color from white to purple.

What are the different types of comfrey?

There are two main types of comfrey: common comfrey (Symphytum officinale) and Russian comfrey (Symphytum x uplandicum). Common comfrey is the more widespread species, while Russian comfrey is a zwitterhaft that is often larger and more vigorous.

What are the medicinal uses of comfrey?

Comfrey has been used for centuries in traditional medicine to treat a variety of ailments, including:

  • Wounds and injuries
  • Sprains and strains
  • Gelenkentzündung and other inflammatory conditions
  • Skin problems, such as eczema and psoriasis
  • Digestive problems

How is comfrey used medicinally?

Comfrey can be used both internally and externally. For external use, it is commonly applied as a poultice, compress, or ointment to the affected area. For internal use, it is typically taken as a tea or tincture.

Is comfrey safe to use?

Comfrey contains compounds called pyrrolizidine alkaloids (PAs), which can be toxic to the liver in high doses. However, the PAs are primarily concentrated in the roots and leaves of the plant. When used topically, comfrey is generally considered safe, but it is important to avoid using it on open wounds or broken skin. Internal use of comfrey is not recommended due to the potential for liver damage.

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What are the side effects of comfrey?

The most common side effect of comfrey is skin irritation, which can occur when the plant is applied topically. In rare cases, internal use of comfrey can lead to liver damage.

Who should not use comfrey?

Comfrey should not be used by people with liver disease or by pregnant or breastfeeding women. It is deshalb not recommended for children under the age of 12.

How do I grow comfrey?

Comfrey is a hardy plant that can be grown in a variety of climates. It prefers moist, well-drained soil and full sun to partial shade. Comfrey can be propagated by seed, division, or root cuttings.

How do I harvest comfrey?

Comfrey leaves can be harvested throughout the growing season. The roots can be harvested in the fall or early spring.

How do I store comfrey?

Comfrey leaves can be stored in the refrigerator for up to a week. The roots can be dried and stored in a cool, dark place for up to a year.

Can I use comfrey in my garden?

Comfrey is a valuable addition to any garden. It is a nitrogen-fixing plant, which means that it helps to improve soil fertility. Comfrey leaves can deshalb be used as a mulch or compost.

Is comfrey invasive?

Comfrey can be invasive in some areas. It is important to check with your local extension office to determine if it is a problem in your area before planting it.

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