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 vouchered herbarium specimen records 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.

Lesser Pondweed

Name: Pollinator Patch
Author: Pollinator Patch

Potamogeton pusillus

Last reviewed: August 2026

Toxicity unknown

Lesser Pondweed (Potamogeton pusillus) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

full sun

Water

high

Size

4"–24" H

Bloom

Jun, Jul, Aug, Sep

Native to

AL, AR, AZ, CA and 44 more states

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 459 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Picture natives in your own yard

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Browse plants for this ecoregion

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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 vouchered herbarium specimen records 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 vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

See all plant problem guides

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