North America Native Plant

Pondweed

Botanical name: Potamogeton ×mysticus

USDA symbol: POMY

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Pondweed: A Native Aquatic Plant for Specialized Water Gardens If you’re looking to add authentic native character to your water garden or pond, you might want to consider pondweed (Potamogeton ×mysticus). This lesser-known aquatic perennial represents a fascinating piece of our native plant heritage, though it’s definitely not your typical ...

Pondweed: A Native Aquatic Plant for Specialized Water Gardens

If you’re looking to add authentic native character to your water garden or pond, you might want to consider pondweed (Potamogeton ×mysticus). This lesser-known aquatic perennial represents a fascinating piece of our native plant heritage, though it’s definitely not your typical garden center find.

What Makes This Pondweed Special?

Potamogeton ×mysticus is a native hybrid pondweed that calls the northeastern United States home. As a true native species to the lower 48 states, it has evolved alongside local ecosystems and wildlife. The × in its scientific name tells us this is a natural hybrid – essentially nature’s own plant breeding experiment!

This perennial operates as what botanists call a forb – basically a soft-stemmed plant without woody growth above ground. Think of it as the aquatic equivalent of your favorite wildflowers, just adapted for life in the water.

Where You’ll Find It Growing Wild

This pondweed has a relatively limited native range, naturally occurring in Maine, Maryland, Massachusetts, North Carolina, and Vermont. Its distribution suggests it’s adapted to the climate conditions of the northeastern coastal and inland regions.

Living Life in the Water

Here’s where things get interesting – this pondweed is what we call an obligate wetland plant. In plain English, that means it almost always lives in wetlands, ponds, or other aquatic environments. It’s not just water-tolerant; it actually needs those soggy conditions to thrive.

Should You Grow It in Your Garden?

The honest answer? It depends on what kind of gardener you are. This pondweed isn’t for everyone, and here’s why:

  • Specialized needs: You’ll need a pond, water garden, or wetland area
  • Limited availability: As a native hybrid, it’s not commonly available in nurseries
  • Niche appeal: Best suited for native plant enthusiasts and aquatic gardeners

The Perfect Spot for Pondweed

If you do decide to seek out this native aquatic plant, it belongs in:

  • Natural or naturalized ponds
  • Constructed wetlands
  • Rain gardens with standing water
  • Native plant water gardens
  • Restoration projects in appropriate regions

Growing Conditions and Care

Since this is an obligate wetland plant, your growing conditions are pretty straightforward – it needs water, and lots of it. Unfortunately, specific care information for this particular hybrid is limited, which is common for specialized native hybrids that aren’t widely cultivated.

If you’re determined to grow native pondweeds, your best bet is to:

  • Contact native plant societies in the regions where it naturally occurs
  • Work with specialists in aquatic native plants
  • Consider other more readily available native Potamogeton species

The Bottom Line

Potamogeton ×mysticus represents the fascinating diversity of our native aquatic flora, but it’s definitely a plant for specialized situations and dedicated native plant enthusiasts. If you’re just starting with water gardening or looking for easy-to-find aquatic plants, you might want to begin with other native water plants that are more readily available.

However, if you’re passionate about preserving rare native genetics and have the right aquatic conditions, this pondweed could be a meaningful addition to a specialized native water garden. Just remember – with any uncommon native plant, always source responsibly and work with reputable native plant specialists.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Atlantic and Gulf Coastal Plain

OBL

Obligate Wetland - Plants with this status almost always occurs in wetlands

Northcentral & Northeast

OBL

Obligate Wetland - Plants with this status almost always occurs in wetlands

Pondweed

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Alismatidae

Order

Najadales

Family

Potamogetonaceae Bercht. & J. Presl - Pondweed family

Genus

Potamogeton L. - pondweed

Species

Potamogeton ×mysticus Morong (pro sp.) [perfoliatus × pusillus] - pondweed

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA