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Fringed Loosestrife

Lysimachia ciliata

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Plant Profile

Flowering Months:
Primulaceae (Primrose)
Life Cycle:
Maximum Size:
120 centimetres tall
Gardens, marshes, riverbanks, swamps, wetland, woodland.

Yellow, 5 petals
The flowers are star-shaped or buttercup-like and often nodding, measuring about 1 inch across. The flower stalks are long and slender and arise from the leaf axils. The petals are variable in shape but usually pointed. The centres of the flowers are normally red. Flowers have 5 cream-coloured anthers and a slender style. The sepals are shorter than the petals with 3 to 5 parallel veins.
A green, globular, glossy seed capsule. Many-seeded.
A semi-evergreen perennial flower with narrowly oval pointed leaves, tapering to a point. Leaf bases are rounded. The leaves are opposite along the stems. Leaf margins are sometimes wavy or hairy. Leaf stalks measure up to 5cm long. The leaves are normally green but sometimes can be seen in a purple form.
Other Names:
Fringed Yellow Loosestrife.
Frequency (UK):

Similar Species

Other Information


Lysimachia ciliata, also known as Fringed Loosestrife or Fringed Yellow Loosestrife, is a species of perennial herb that is native to North America. It is known for its small, yellow, star-shaped flowers that bloom in the summer and its basal leaves that are fringed with fine, white, hair-like outgrowths. The plant can grow up to 4 feet in height. It prefers moist, well-drained soils and full sun to partial shade, and it is often found in wetland habitats and along stream banks. Lysimachia ciliata is often grown as an ornamental plant in gardens and is also used in naturalized settings and wetland restoration projects. It is a hardy plant and is well suited to growing in moist, shady areas, it is also known to be a good plant for stabilization of stream banks and other wetland areas.


Fringed Loosestrife, also known as Lysimachia ciliata, is a stunning perennial plant that belongs to the Primrose family. This beautiful plant is native to North America and can be found growing in a variety of habitats, including wetlands, meadows, and stream banks. In this blog, we will discuss the features, growing conditions, and uses of Fringed Loosestrife.


Fringed Loosestrife has attractive yellow flowers that bloom in early summer and can last until early fall. The flowers are about 1 inch wide and grow in clusters at the end of tall, slender stems. The plant has dark green, lance-shaped leaves that are arranged in whorls around the stem. The leaves have small hairs on their edges, which give the plant its common name, Fringed Loosestrife. The plant can grow up to 4 feet tall and spreads quickly, making it an excellent choice for filling in large spaces.

Growing Conditions

Fringed Loosestrife is a relatively easy plant to grow and maintain. It prefers full sun to partial shade and grows best in moist, well-drained soil. The plant can tolerate some dry conditions but performs best when watered regularly. Fringed Loosestrife is hardy in USDA zones 4 to 8 and can be propagated through division or by seed.


Fringed Loosestrife is a popular choice for gardeners and landscapers due to its attractive flowers and ease of maintenance. It can be used as a border plant, in mass plantings, or in naturalized areas. Fringed Loosestrife is also a valuable plant for attracting pollinators to the garden, as bees and butterflies are attracted to its flowers. In addition, the plant has a long history of medicinal uses. Native American tribes used the leaves of the plant to treat wounds, while early European settlers used it as a laxative and to relieve menstrual cramps.

Fringed Loosestrife is a beautiful and versatile plant that can add a touch of color and interest to any garden or landscape. Its attractive flowers and ease of maintenance make it a popular choice for both experienced and novice gardeners alike. Whether used as a border plant, in mass plantings, or in naturalized areas, Fringed Loosestrife is sure to be a welcome addition to any outdoor space.

More Information

Fringed Loosestrife is also a valuable plant for wildlife, as it provides shelter and food for a variety of animals. The plant's dense foliage provides cover for small mammals and birds, while its flowers attract insects and other pollinators, which in turn provide food for birds and other animals. Fringed Loosestrife is also an important plant for wetland restoration projects, as it helps to stabilize soil and prevent erosion.

It's important to note that while Fringed Loosestrife is a beautiful and useful plant, it can also be invasive in some areas. When planting Fringed Loosestrife, it's important to check with local authorities to ensure that it is not considered an invasive species in your area. In addition, be sure to keep the plant contained and prevent it from spreading into natural areas where it can outcompete native plants.

In terms of care, Fringed Loosestrife requires little maintenance beyond regular watering and fertilization. The plant is relatively pest and disease-resistant, making it a great choice for low-maintenance gardens. However, it's important to keep an eye out for slugs and snails, which can damage the leaves of the plant.

Fringed Loosestrife is also a popular choice for cut flower arrangements. The long stems and bright yellow flowers make it a great addition to bouquets and centerpieces. To extend the life of cut Fringed Loosestrife flowers, change the water in the vase daily and trim the stems at a diagonal angle.

Another interesting feature of Fringed Loosestrife is that it has a unique way of reproducing. The plant can produce tiny bulbils, or plantlets, in the axils of its leaves. These bulbils can eventually grow into full-sized plants, providing a unique and interesting propagation method.

Fringed Loosestrife also has cultural and historical significance. The plant is named after Lysimachus, a general in the army of Alexander the Great, who was said to have used the plant to treat wounds during battles. In addition, Fringed Loosestrife has been used by Native American tribes for various medicinal purposes, including the treatment of fevers and stomach problems.

Fringed Loosestrife is a versatile and interesting plant that can provide a variety of benefits to gardens and landscapes. Whether used for its beautiful flowers, wildlife value, or historical and cultural significance, this plant is a great addition to any outdoor space. As with any plant, it's important to check with local authorities to ensure that it is not considered invasive in your area and to practice proper care and maintenance to prevent the plant from spreading.

Fringed Loosestrife also has a unique cultural significance in Japan, where it is known as "yurine" and is used in traditional tea ceremonies. In Japanese culture, the plant symbolizes elegance and refinement, and its bright yellow flowers are considered to represent the sun.

In addition, Fringed Loosestrife has been studied for its potential medicinal properties. The plant contains various compounds, including flavonoids and saponins, which have been shown to have anti-inflammatory, antimicrobial, and antitumor effects in laboratory studies. While more research is needed to determine the potential medicinal benefits of Fringed Loosestrife, these findings suggest that the plant may have future applications in traditional medicine and pharmaceuticals.

Finally, it's worth noting that Fringed Loosestrife is a great plant for beginner gardeners. It's easy to grow, requires little maintenance, and can provide a lot of visual interest to a garden or landscape. Its ability to attract pollinators and wildlife, as well as its soil-stabilizing properties, make it a valuable addition to any ecosystem. Whether you're a seasoned gardener or just starting out, Fringed Loosestrife is definitely a plant worth considering.

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Reproduced by kind permission of the BSBI.

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