Pond Plants in Louisiana: A Simple Guide to Beautiful Water Lilies & Lotus
Growing pond plants in Louisiana is easier than most people think. Our long, warm season means water lilies and lotus can bloom for months. A few well-chosen plants keep a pond cooler, cleaner and full of life. This simple guide covers five easy picks and the basics of keeping them happy.
Why Add Pond Plants in Louisiana Water Gardens?
- Shade: Lily pads shade the water, which helps reduce algae.
- Cleaner water: Plants use up extra nutrients that would otherwise feed algae.
- Wildlife: Frogs, dragonflies and fish use plants for cover.
- Beauty: Few things look better than a lotus bloom on a summer morning.
5 Easy Pond Plants in Louisiana
1. Hardy Water Lilies
White and purple water lilies are the backbone of most ponds. They grow from a pot set on the pond floor, with pads and flowers floating on the surface. Give them at least six hours of sun for the best blooms. See our pond and water plants.
2. Lotus
Lotus sends tall leaves and large, fragrant flowers well above the water. Pink lotus is a showstopper. Plant it in a wide, shallow container, since lotus roots spread.
3. Horsetail Rush
This plant has upright, jointed green stems that add height and a modern look along the pond edge. Keep it in a pot so it doesn’t spread.
4. Louisiana Iris
Our native Louisiana irises love wet soil and shallow water. They bloom in spring in shades of purple, blue, red and yellow.
5. Pickerel Rush
A native marginal plant with spikes of blue-purple flowers through summer. Pollinators love it.
How to Plant Pond Plants in Louisiana
- Use heavy soil. Plant in clay-based garden soil, not potting mix, which floats away.
- Top with gravel. A layer of pea gravel keeps soil in place and fish from digging.
- Set the right depth. Most water lilies like 12 to 24 inches of water over the pot. Marginal plants like a few inches.
- Cover about half the surface. Aim for roughly 50–60% coverage to shade the water without choking it.
Common Problems with Pond Plants in Louisiana
Green, cloudy water
This is usually too much sun and too many nutrients. Add more floating cover like water lilies, avoid overfeeding fish and give the pond time to balance.
Yellowing lily pads
Older pads naturally yellow and die back. Snip them at the base. If new pads are pale, the plant may need an aquatic fertilizer tablet.
Mosquitoes
Moving water and small fish such as mosquito fish help keep larvae under control. Plants give those fish places to hide.
No Pond? Try a Container Water Garden
You don’t need a big backyard to enjoy pond plants in Louisiana. A large glazed pot or half whiskey barrel without drainage holes can hold a dwarf water lily, a small lotus or a clump of horsetail rush.
Place it where it gets at least six hours of sun, top it off with water during hot weather and enjoy blooms right on the patio.
Seasonal Care
Spring: Divide crowded pots and start feeding with aquatic fertilizer tablets once the water warms.
Summer: Remove yellow pads and spent flowers to keep the water clean.
Fall and winter: Trim back dead foliage. Hardy lilies and lotus go dormant and return in spring.
For more on native wetland plants and water quality, visit the LSU AgCenter.
At Slidell Nursery we carry water lilies, lotus and other pond plants in Louisiana-friendly varieties. Check our pond plant selection or text us to see what’s in stock.
Visit Slidell Nursery at 1605 Lawes St, Slidell, LA 70461 — open Tuesday, Thursday, Friday and Saturday from 10am to 2pm. Right now we are offering 20% off all in-store purchases. Questions? Call or text 504-475-8084.