Best Plants for Ducks: What to Grow Round a Pond

Pond notes, late spring.

If you have a pond and want ducks to stay rather than visit, the plants matter more than the water does. Ducks need three things from vegetation: something to eat (duckweed, wild celery, smartweed), something to hide ducklings in (cattails, bulrush, sedges), and something to nest on a hummock between (tussock sedge, marsh fern). Get those three layers right and a mallard pair will quietly decide your pond is theirs.

Why the plants matter

Wild ducks need a calorie-dense diet roughly equal parts plant matter and aquatic invertebrates - and the invertebrates only exist in numbers when the right plants are present. The submerged stems of pondweed and wild celery host the freshwater shrimp, snails, and midge larvae that a hen mallard needs to lay a clutch.

So when we talk about “plants for ducks”, we’re really talking about plants that build a small functioning wetland - one that grows duck food and the underwater livestock duck food depends on.

The other thing plants do, the one most people miss, is cover for ducklings. A clutch of mallard ducklings in open water lasts about three days before a heron, a pike, or a snapping turtle finds them. Dense marginal vegetation gives them somewhere to disappear when a shadow passes overhead. If your pond has clean banks of mown grass straight down to the water, you have a beautiful pond and an empty one.

The four plants ducks actually eat

Of all the plants written about as “duck food”, only a handful are taken in significant volume. These are the ones we’ve found, after years of pond-watching, actually get eaten.

• Duckweed (Lemna minor) - the small floating leaves that carpet still water. Dabbling ducks scoop it up by the bill-full; it’s roughly 40% protein and grows back faster than they can clear it. Don’t fight it. A duck pond should have duckweed.
• Wild celery (Vallisneria americana) - submerged ribbon-leaves rooted in the mud. The seeds, leaves, and underground tubers are all eaten. Canvasback ducks are named after their appetite for it.
• Smartweed (Persicaria species) - emergent stems with pink flower spikes. Mallards, teal and wood ducks all eat the small dark seeds in autumn.
• Pondweed (Potamogeton species) - submerged rooted plants whose seeds and leaves feed nearly every dabbling and diving duck in North America and Europe.

If you plant nothing else, plant smartweed and pondweed. They are the workhorses.

The four cover plants that keep ducklings alive

The food plants attract adults. The cover plants are what makes ducklings survive long enough to fledge. These all grow in the wet edge - the band of mud and saturated ground 30-60cm from open water.

• Cattail (Typha latifolia) - the bulrush you already picture. Dense stand of vertical stems, perfect duckling hideout. Aggressive; needs containment in small ponds.
• Bulrush (Schoenoplectus species) - finer-stemmed, more graceful. Same cover purpose.
• Tussock sedge (Carex stricta) - forms raised hummocks above the water. Hen ducks nest on the hummock and rear ducklings in the surrounding sedge.
• Marsh fern (Thelypteris palustris) - soft horizontal cover at the wet edge, lovely visually, and surprisingly used as duckling cover.

How to plant it

The trick is zones. Ducks need different plants at different depths, and the way you lay them out matters more than how many you put in.

Working from the bank inward:

1. Upland edge (dry ground) - leave a 1-2 metre band of unmown grass, marsh fern, or sedge. Acts as a buffer and a slow approach for the ducks.
2. Wet edge (saturated soil) - tussock sedge, marsh fern, bulrush. This is the nursery layer.
3. Shallow water (0-30cm) - cattail, smartweed, arrowhead. Dense cover. Where mallards loaf.
4. Deep water (30cm+) - wild celery, pondweed, water lilies. Submerged feeding grounds.

If your pond banks are currently mown lawn down to the water, you’ll get the biggest improvement in duck activity by simply stopping mowing the last metre of bank and letting native sedges colonise it. We’ve watched a pair of mallards adopt a pond inside a single season just from that one change.

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What NOT to plant

There are a few plants sold for ponds that are catastrophically bad for ducks and the wider ecosystem. Avoid:

• Parrot’s feather (Myriophyllum aquaticum) - invasive, smothers everything else
• Water hyacinth (Eichhornia crassipes) - beautiful, illegal in most of the UK and EU, choke-out invasive
• Yellow flag iris, if you live in North America - invasive there; fine in its native UK range
• Any “pond plant mix” sold without species labels - these often contain banned species

If you can’t get a Latin name from the seller, don’t buy it.

FAQ

Will planting these attract too many ducks? No. Ducks will find their carrying capacity for the water available and self-regulate. A small pond holds a pair; a larger one might hold several.

Do I need an aerator or filter? Not for ducks. Wild ponds work fine. Add an aerator if you have decorative fish that need oxygenation.

How long until ducks notice? Mallards routinely find new vegetated water within a season - sometimes the same week. Wood ducks and teal take longer; they require established cover before they’ll stay.

Will the ducks ruin my plants? Slightly. Healthy pond plants regenerate faster than ducks can eat them. Newly planted plugs benefit from a few weeks behind a temporary mesh cage so ducks don’t pull them up.

The bottom line

A duck-friendly pond isn’t really about ducks. It’s about the layered band of vegetation that turns a body of water into a wetland - food at the bottom, cover at the edge, nesting hummocks just above. Get the layers right and the ducks arrive on their own.

For more on the layered approach to wetland habitat, see our notes on what makes a wetland a wetland and our guide to protecting ducks from the predators that find them anyway.