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Lesser Pondweed

Potamogeton pusillus

Last reviewed: June 2026

Lesser Pondweed (Potamogeton pusillus)
Photo: Pieters, A. J. / Wikimedia Commons (Public domain)

Light

full sun

Water

high

Size

4"–24" H

Bloom

Jun, Jul, Aug, Sep

Native to

AL, AR, AZ, CA and 44 more states

Lesser pondweed is a submerged aquatic plant that grows entirely underwater in ponds, lakes, and slow-moving streams. It produces small floating flower spikes above the water surface during summer months. This plant requires permanent standing water to survive.

In an HOA neighborhood

Lesser Pondweed takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

  • Requires permanent water body
  • Not suitable for typical residential landscaping
  • Only appropriate for pond or water garden features

Wildlife value

Provides important habitat and food for waterfowl, fish, and aquatic invertebrates. The submerged foliage offers shelter for small fish and amphibians.

Common questions

How much sun does Lesser Pondweed need?
Lesser Pondweed grows best in full sun conditions.
When does Lesser Pondweed bloom?
Lesser Pondweed blooms in June, July, August, and September.
Where is Lesser Pondweed native?
Lesser Pondweed (Potamogeton pusillus) is native to AL, AR, AZ, CA and 44 more states, per the USDA PLANTS Database and regional native plant society lists.
Is Lesser Pondweed HOA-friendly?
Lesser Pondweed takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Lesser Pondweed? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Not sure where to start? Take the 2-minute yard quiz