Open the Advanced Search

Common Glasswort

Salicornia europaea

Please keep in mind that it is illegal to uproot a plant without the landowner's consent and care should be taken at all times not to damage wild plants. Wild plants should never be picked for pleasure and some plants are protected by law.
For more information please download the BSBI Code of Conduct PDF document.


Plant Profile

Flowering Months:
Amaranthaceae (Amaranth)
Life Cycle:
Maximum Size:
50 centimetres tall
Beaches, gardens, marshes, mudflats, saltmarshes, seaside.

Green, no petals
Tiny, green, yellow anthers, usually in groups of 3 up the stem, the central one being the largest.
Succulent, fleshy one-seeded fruit.
This plant looks a lot like asparagus in my personal opinion. The translucent leaves consist of many succulent, scale-like segments. They are arranged in opposite pairs, fused to envelop the stems. The green leaves sometimes turn red or yellow later in the year once in fruit. This plant has creeping stems and spreads over large areas, carpeting the ground.
Other Names:
Beach Asparagus, Chicken Claws, Chicken Toes, English Sea Grass, European Glasswort, Marsh Samphire, Pickle Plant, Picklegrass, Pickleweed, Poor Man's Asparagus, Samphire, Sea Asparagus, Slender Pickleweed.
Frequency (UK):

Similar Species

Other Information


Salicornia europaea, commonly known as Common Glasswort, European Glasswort, Marsh Samphire or simply Samphire, is a species of flowering plant in the family Amaranthaceae. It is native to coastal areas in Europe, Asia, and Africa, and can be found in salt marshes and coastal mudflats.

It is an herbaceous perennial plant, usually grows to be around 30-50 cm tall. Its greenish-yellow or reddish stems are fleshy and its leaves are scale-like, small and narrow. The plant is able to tolerate high levels of salt in the soil and can be used in landscape gardening in salt-affected soils or to stabilize dunes. It is also edible, used in small amounts as a seasoning in cooking and also used as a vegetable. It has been traditionally used as a vegetable in coastal regions where it is found, it can be pickled, fried, or eaten raw.


Common glasswort, also known as Salicornia europaea, is a fascinating plant that is native to the coastlines of Europe, Asia, and North America. It is a halophyte, meaning it is adapted to grow in saline environments such as salt marshes and estuaries.

Appearance and Characteristics

Common glasswort is a succulent plant that can grow up to 50 cm in height. Its stems are jointed and have a smooth, fleshy texture with no leaves. The plant has small, inconspicuous flowers that are usually green or yellowish in color.

One of the most distinctive features of common glasswort is its ability to store large amounts of salt in its tissues, which gives it a salty taste. This makes it a popular ingredient in various dishes, including salads, soups, and stews. It is also used as a seasoning in pickles and other preserved foods.

Ecological Importance

Common glasswort is an important species in coastal ecosystems, as it plays a crucial role in stabilizing the soil and preventing erosion. Its extensive root system helps to hold the soil in place, while its ability to absorb and store large amounts of salt helps to regulate the salinity of the surrounding environment.

The plant also provides habitat and food for a variety of animals, including birds, insects, and small mammals. Many species of birds, such as dunlins and sandpipers, feed on the seeds and foliage of common glasswort.

Cultural Significance

Common glasswort has been used for centuries as a source of food and medicine. In Europe, it was traditionally eaten as a vegetable and used to flavor various dishes. In North America, indigenous peoples used the plant as a traditional medicine to treat a variety of ailments, including coughs, colds, and digestive issues.

In modern times, common glasswort has gained popularity as a culinary ingredient and a gourmet food item. It is prized for its unique flavor and texture, as well as its nutritional value. The plant is rich in vitamins and minerals, particularly vitamin C, potassium, and magnesium.

Threats and Conservation

Despite its ecological and cultural significance, common glasswort is facing a number of threats. Habitat loss and degradation, as well as over-harvesting for food and other uses, are the primary threats to the plant's survival. Climate change is also expected to have an impact on the species, as rising sea levels and changing weather patterns could alter the salt marshes and estuaries where the plant grows.

To help protect common glasswort and other species that depend on coastal ecosystems, conservation efforts are underway around the world. These include the establishment of protected areas, the implementation of sustainable harvesting practices, and the development of alternative livelihoods for local communities.

Common glasswort is a unique and important species that plays a crucial role in coastal ecosystems and has cultural significance as a food and medicine. As with many other plant species, it is facing threats from habitat loss, over-harvesting, and climate change, highlighting the need for conservation efforts to protect this valuable resource.

Uses of Common Glasswort

Common glasswort has a wide range of uses, including culinary, medicinal, and industrial applications.

Culinary Uses: Common glasswort is highly valued for its unique salty taste and crunchy texture. It is commonly used as a seasoning in soups, stews, and sauces, and is also a popular ingredient in salads and pickles. In some countries, the plant is eaten as a vegetable or snack, either raw or cooked.

Medicinal Uses: Common glasswort has been used for centuries as a traditional medicine to treat a variety of ailments. The plant is rich in antioxidants, which help to protect the body against oxidative stress and inflammation. It is also a good source of vitamin C, which helps to boost the immune system and promote healing. In some cultures, common glasswort is used as a natural remedy for coughs, colds, and digestive problems.

Industrial Uses: Common glasswort is a source of sodium carbonate, also known as soda ash, which is used in a variety of industrial applications. Soda ash is used in the production of glass, detergents, and other chemicals, as well as in the manufacturing of paper and textiles.

Conservation of Common Glasswort

Common glasswort is a species that is facing a number of threats, including habitat loss and degradation, over-harvesting, and climate change. To help protect the plant and the ecosystems it depends on, a number of conservation measures are being implemented.

Protected Areas: The establishment of protected areas, such as nature reserves and national parks, can help to conserve the habitats of common glasswort and other species that depend on coastal ecosystems. These areas provide a safe haven for wildlife and help to maintain biodiversity.

Sustainable Harvesting: Common glasswort is an important food and medicinal plant, but over-harvesting can deplete populations and damage ecosystems. Sustainable harvesting practices, such as selective harvesting and rotation of harvesting sites, can help to maintain healthy populations of common glasswort while minimizing the impact on the environment.

Community Involvement: Engaging local communities in conservation efforts can help to promote sustainable use of natural resources and build support for conservation measures. Involving communities in the management of common glasswort and other natural resources can help to ensure their long-term sustainability.

Potential Health Benefits of Common Glasswort

Common glasswort is not only a popular culinary ingredient and an important plant for coastal ecosystems, but it also has potential health benefits.

Rich in Nutrients: Common glasswort is a good source of vitamins and minerals, including vitamin C, potassium, and magnesium. It also contains antioxidants, which help to protect the body against damage from harmful molecules known as free radicals.

May Help Lower Blood Pressure: Common glasswort is rich in potassium, which is known to help regulate blood pressure. Potassium can help to counteract the effects of sodium on blood pressure, potentially reducing the risk of heart disease and stroke.

May Aid Digestion: Common glasswort has traditionally been used as a natural remedy for digestive issues, such as constipation and diarrhea. The plant is high in dietary fiber, which can help to promote healthy bowel movements and improve gut health.

May Have Anti-Inflammatory Effects: Some studies have suggested that common glasswort may have anti-inflammatory properties. Inflammation is thought to be a contributing factor to many chronic diseases, so reducing inflammation may have a wide range of health benefits.

While more research is needed to fully understand the potential health benefits of common glasswort, it is clear that this plant has a lot to offer. Incorporating common glasswort into your diet may be a simple and tasty way to support your overall health and wellbeing.

Cooking with Common Glasswort

Common glasswort is a versatile ingredient that can be used in a wide range of dishes. Here are a few ideas to get you started:

  • Add common glasswort to salads for a crunchy texture and salty flavor.
  • Use common glasswort as a seasoning in soups, stews, and sauces.
  • Pickle common glasswort for a tangy and flavorful snack.
  • Use common glasswort as a garnish for seafood dishes, such as grilled fish or shrimp cocktail.
  • Incorporate common glasswort into your favorite vegetable stir-fry for a unique flavor and texture.

As with any new ingredient, it is important to experiment and find the best way to incorporate common glasswort into your diet.

How to Find and Harvest Common Glasswort

If you are interested in harvesting common glasswort for culinary or medicinal purposes, it is important to do so sustainably and responsibly. Here are a few tips for finding and harvesting common glasswort:

  • Look for common glasswort in coastal areas, such as salt marshes and tidal flats. The plant is often found in areas with high levels of salt and can tolerate waterlogged soils.
  • Harvest common glasswort when it is young and tender, usually in the early summer months. The plant becomes tougher and less palatable as it matures.
  • Cut the plant at the base of the stem, leaving enough of the stem intact to allow for regrowth.
  • Only harvest small amounts of common glasswort from each plant to avoid damaging the plant and its ecosystem.
  • Always obtain permission from the landowner before harvesting common glasswort on private property or in protected areas.

Safety Considerations

While common glasswort is generally safe for consumption, it is important to keep a few safety considerations in mind:

  • Do not consume common glasswort that has been harvested from contaminated areas, such as areas with high levels of pollution or heavy metals.
  • Some people may be allergic to common glasswort or other plants in the same family. If you have a history of allergies, use caution when consuming common glasswort for the first time.
  • Common glasswort is high in sodium, so people on a low-sodium diet should use it in moderation or avoid it altogether.


Common glasswort is a fascinating plant with a range of culinary, medicinal, and industrial uses. It is also an important species for coastal ecosystems and can play a role in conservation efforts. Whether you are interested in incorporating common glasswort into your cooking or exploring its potential health benefits, it is important to do so responsibly and sustainably. With the right precautions, common glasswort can be a valuable and delicious addition to your diet and lifestyle.

Distribution Map

Reproduced by kind permission of the BSBI.

Click to open an Interactive Map