Threadleaf Pondweed

(Stuckenia filiformis)

Threadleaf Pondweed (Stuckenia filiformis)

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Stuckenia filiformis Native Range
Native Range
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Climate Requirements

• Precipitation 19" - 51"
• High Temp. 58°F - 73°F
• Low Temp. 9°F - 29°F

Summary

Stuckenia filiformis, commonly known as Threadleaf Pondweed, is a perennial aquatic herb native to a wide range of freshwater habitats including ponds, lakes, and slowly-moving streams across the Northern Hemisphere, as well as in Hispaniola and parts of South America. It often forms dense underwater meadows and is characterized by its slender, thread-like leaves that can vary in length. Threadleaf Pondweed typically flowers in the summer, producing small, inconspicuous greenish flowers that are wind-pollinated.

Threadleaf Pondweed is valued for its ecological role in aquatic environments, providing oxygenation to the water, habitat for aquatic wildlife, and serving as a food source for waterfowl and fish. It is also used in aquariums and water gardens for its aesthetic appeal and to maintain water quality. In cultivation, it requires an aquatic setting, with full sun to part shade conditions. It can be propagated by seed or by division of rhizomes or tubers. While generally not problematic, it can become overly abundant in some conditions, potentially interfering with boating and fishing activities.CC BY-SA 4.0

Plant Description

  • Plant Type: Herb
  • Height: 0.3-3.3 feet
  • Width: 1-3 feet
  • Growth Rate: Rapid
  • Flower Color: Green
  • Flowering Season: Spring, Summer, Fall
  • Leaf Retention: Semi-deciduous

Growth Requirements

  • Sun: Full Sun, Part Shade
  • Drainage: Standing

Common Uses

Low Maintenance, Water Garden

Natural Habitat

Freshwater habitats including ponds, lakes, and slowly-moving streams across the Northern Hemisphere, as well as in Hispaniola and parts of South America

Other Names

Common Names: Threadleaf Pondweed, Northern Pondweed, Slender-Leaf Pondweed, Thread-Leaved Pondweed, Alpine Thread-Leaved Pondweed, Slender-Leaved Pondweed, Fine-Leaved Pondweed, Northern Slender Pondweed

Scientific Names: Stuckenia filiformis, Coleogeton filiformis, Coleogeton filiformis subsp. alpinus, Coleogeton filiformis subsp. occidentalis, Potamogeton applanatus, Potamogeton aulacophyllus, Potamogeton austrosibiricus, Potamogeton austrosibiricus, Potamogeton fasciculatus

GBIF Accepted Name: Stuckenia filiformis