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Whorled Loosestrife

Lysimachia verticillaris

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Plant Profile

Flowering Months:
Lythraceae (Purple Loosestrife)
Life Cycle:
Maximum Size:
1 metre tall
Bogs, ditches, gardens, grassland, marshes, meadows, riverbanks, riversides, swamps, wasteland, waterside, wetland.

Yellow, 5 petals
Flowers have 5 yellow pointed petals. Petals are tinged orange towards their bases.
The fruit is a globular capsule.
A garden escape flower with oval pointed leaves, in whorls up the stems. Leaf junctions are pale purple.
Frequency (UK):
Rarely seen  

Similar Species

Other Information


Lysimachia verticillaris, also known as Whorled Loosestrife, is a species of perennial herb that is native to Asia. It is known for its small, yellow, star-shaped flowers that bloom in the summer and its whorled leaves. The plant can grow up to 2-3 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 verticillaris is often grown as an ornamental plant in gardens and is also used in cut flower arrangements. 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.


Whorled Loosestrife, also known as Lysimachia verticillaris, is a beautiful flowering plant native to the eastern United States. With its unique and striking appearance, it has become a popular choice for gardeners and landscapers looking to add a touch of color to their outdoor spaces.

Description and Characteristics

Whorled Loosestrife is a perennial plant that can grow up to three feet tall. It has long, narrow leaves that are arranged in whorls around the stem, giving it its distinctive appearance. The leaves are a deep green color and have a slightly glossy texture.

The flowers of the Whorled Loosestrife are small and star-shaped, with five petals that range in color from pale yellow to bright golden-yellow. The flowers bloom in the late summer and early fall, and they are held in clusters at the top of the stem. The plant is attractive to bees and butterflies, making it a great addition to any pollinator garden.

Growing Conditions

Whorled Loosestrife is a relatively easy plant to grow, making it a popular choice for both beginner and experienced gardeners alike. It thrives in moist, well-drained soil and prefers partial to full sun. It can tolerate some shade, but it will not bloom as well in these conditions.


Whorled Loosestrife can be propagated by dividing the plant in the spring or by taking stem cuttings in the summer. To divide the plant, dig up the entire clump and gently separate the roots into smaller sections. Replant the smaller sections in a new location and water well. To take stem cuttings, cut a stem from the plant that is about four inches long and remove the lower leaves. Place the stem in a pot filled with moist potting soil and keep it in a bright, warm location. Within a few weeks, roots should begin to grow, and the plant can be transplanted into the garden.


Whorled Loosestrife is a great plant for adding color and texture to a garden. It works well in both formal and informal garden designs and can be used in borders, mass plantings, or as a specimen plant. It is also a great choice for wetland gardens or areas with poor drainage, as it can tolerate moist soil conditions.


While Whorled Loosestrife is generally a safe plant to grow, it can become invasive in some areas. Invasive species can cause damage to native ecosystems by outcompeting native plants for resources. If you live in an area where Whorled Loosestrife is not native, be sure to keep it contained to your garden to prevent it from spreading into nearby natural areas.

Whorled Loosestrife is a beautiful and versatile plant that is easy to grow and maintain. With its striking appearance and ability to attract pollinators, it is a great addition to any garden or landscape. As with any plant, be sure to do your research and ensure that it is a good fit for your growing conditions before planting.

More Information

Whorled Loosestrife has been used in traditional medicine for a variety of purposes. The Cherokee people used the plant to treat digestive issues, and it was also used as a diuretic and astringent. The plant contains compounds called flavonoids, which have antioxidant and anti-inflammatory properties.

In addition to its medicinal uses, Whorled Loosestrife has also been used for decorative purposes. The stems and leaves of the plant can be used in floral arrangements, and the flowers can be dried and used in potpourri.

One of the most notable features of Whorled Loosestrife is its ability to attract pollinators, including bees and butterflies. The plant produces nectar, which attracts these insects and provides them with a valuable food source. By planting Whorled Loosestrife in your garden, you can help support pollinator populations and promote a healthy ecosystem.

Another interesting fact about Whorled Loosestrife is that it is sometimes referred to as "Fireweed" because it is one of the first plants to grow in areas that have been recently burned by fire. This is because the plant is able to quickly colonize open areas and take advantage of the nutrient-rich soil.

In addition to its ability to grow in areas that have been burned by fire, Whorled Loosestrife is also tolerant of other environmental stressors, such as flooding and drought. This makes it a great choice for gardens or landscapes that are located in areas with variable weather conditions.

When it comes to maintenance, Whorled Loosestrife is a relatively low-maintenance plant. It requires regular watering to keep the soil moist, but it can tolerate periods of drought. The plant should be fertilized in the spring with a balanced fertilizer to promote healthy growth and flowering.

In terms of pests and diseases, Whorled Loosestrife is relatively resistant to most common problems. However, it can be susceptible to root rot if the soil is too wet, so it is important to ensure that the soil is well-drained.

In addition to being a beautiful and functional plant, Whorled Loosestrife also has cultural significance in some Indigenous communities. The plant has been used for centuries by various Indigenous groups for its medicinal properties and as a source of food. For example, the Cherokee people used the plant to treat a variety of ailments, including colds, fevers, and stomach issues. They also used the leaves and roots of the plant to make a tea that was said to have a calming effect.

Today, some Indigenous communities continue to use Whorled Loosestrife for its medicinal properties and as a food source. The plant is still used in traditional medicine and is also used to make jelly and other food products. By growing Whorled Loosestrife in your garden, you can help support these cultural practices and promote the preservation of traditional knowledge.

Another interesting fact about Whorled Loosestrife is that it is a member of the Primrose family. Other members of this family include primroses, cowslips, and shooting stars. Like other members of the Primrose family, Whorled Loosestrife has a distinctive flower structure that makes it easy to identify.

Overall, Whorled Loosestrife is a plant with a rich history and many uses. Whether you are interested in its cultural significance, its medicinal properties, or its ability to attract pollinators, this plant is a great choice for any garden or landscape. With its striking appearance and versatility, it is a plant that is sure to provide years of beauty and enjoyment.