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Selliera radicans, commonly known as Swamp Sedge or Creeping Swampweed, is a low-growing, perennial plant native to New Zealand.




  • Growth Habit: Selliera radicans is a creeping and mat-forming plant that spreads by sending out runners or stolons along the ground. It typically grows to a height of 5 to 15 centimeters  and can spread up to 1 meter or more.
  • Leaves: The leaves are small, oval to lance-shaped, and glossy green in color. They are arranged oppositely along the stems and give the plant a dense and carpet-like appearance.
  • Flowers: Selliera radicans produces small, inconspicuous flowers that are usually white or pale blue in color. The flowers are borne on short stalks and may appear throughout the year, especially in favorable conditions.


Growing Conditions:


  • Sunlight: Selliera radicans prefers full sun to partial shade. While it can tolerate some shade, it typically performs best in areas with ample sunlight.
  • Soil: This plant thrives in moist, well-draining soils. It is especially well-suited to wet or marshy areas, making it an excellent choice for waterlogged or boggy spots in the garden.
  • Watering: As a moisture-loving plant, regular watering is essential, especially during dry periods. It is well-adapted to wetland environments and can tolerate being partially submerged in water.
  • Temperature: Selliera radicans is best suited for temperate climates and may not tolerate extreme cold or freezing temperatures. It is more commonly found in coastal regions with milder winters.
  • Maintenance: This plant is relatively low-maintenance. Occasional pruning may be necessary to control its spreading growth habit or to tidy up the appearance. Remove any dead or discolored leaves to promote healthy growth.


Selliera radicans is a fantastic choice for creating lush and attractive ground cover in gardens, especially in wet or boggy areas where other plants may struggle. Its ability to thrive in moist conditions makes it an ideal addition to water gardens, pond edges, or rain gardens. Additionally, it can help stabilize soil and prevent erosion in areas with poor drainage. As a native plant to certain regions, it also supports local ecosystems and provides habitat for various wildlife.


Selliera radicans

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