Best Floating Aquarium Plants: Easy Floating Plants for Any Tank
Floating plants are some of the easiest, most rewarding plants you can add to a freshwater aquarium. They drift at the surface, pull their nutrients straight from the water column, and grow fast, which means they help control algae, shade the tank, and give fish and shrimp a place to feel safe. Best of all, most of them need no CO2 and no special equipment. Here are our favorite floating plants for beginners, why they're worth adding, and how to keep them thriving.
Why Add Floating Plants to Your Aquarium?
Floating plants do a lot of quiet work. Because they take nutrients directly from the water, they compete with algae for the nitrates and phosphates that fuel it, which often means a cleaner-looking tank. Their trailing roots and surface coverage give fish, fry, and shrimp somewhere to shelter, and the shade they cast softens bright lighting for species that prefer dimmer conditions. They also help calm the water surface, which fish like bettas and gouramis appreciate.
The one thing to watch is coverage. Fast growers can blanket the surface and block light to the plants below, so plan to scoop out and thin them regularly.
Best Floating Plants for Beginners
Every plant below is beginner-friendly and available at our store. Click any name to see current availability.
Red Root Floater (Phyllanthus fluitans) — A compact, beautiful floater whose undersides turn deep red under strong light. It stays small, making it a great choice for nano tanks and aquascapes.
Amazon Frogbit (Limnobium spongia) — A classic large-leaved floater with long, dangling roots that make excellent cover for fry and shrimp. Fast-growing and forgiving.
American Frogbit — Similar to Amazon frogbit, with rounded leaves and dense roots. A hardy, easy pick for surface shade and natural filtration.
Salvinia and Salvinia minima — Small, fast-spreading floaters that form a dense mat. Outstanding at nutrient export, and their fuzzy leaves shed water well.
Water Hyacinth (Eichhornia crassipes) — A large floater with impressive nutrient uptake, great for bigger tanks and ponds where you want serious water-cleaning power.
Azolla caroliniana — A tiny, fast-multiplying floater that quickly shades the surface. Works in both aquariums and ponds.
Hornwort and Anacharis — Technically stem plants, but both thrive left floating and are two of the best beginner plants around. They grow quickly, soak up excess nutrients, and make ideal cover for baby fish and shrimp. Float them or plant them, either works.
How to Care for Floating Plants
The good news: floating plant care is simple. Most do perfectly well under standard aquarium lighting and don't need CO2 injection. The most common cause of trouble is water splashing directly onto the leaves. Hang-on-back filters and strong surface spray can cause some floaters (especially Salvinia and frogbit) to melt, so aim for gentle surface movement rather than heavy splashing.
Thin your floaters whenever they cover more than about two-thirds of the surface, so light still reaches the plants and fish below. If your tank runs low on nutrients, a liquid fertilizer will keep growth lush; our Aquarium Substrate collection and plant care supplies can help round out a healthy planted setup.
Common Problems and Easy Fixes
Melting after arrival. New plants sometimes drop older leaves as they adjust. Give them a week or two of stable conditions and healthy new growth will follow.
Roots getting pulled into the filter. Position floaters away from the intake, or use a surface skimmer guard, so their roots aren't constantly sucked in.
Taking over the surface. This is normal for healthy floaters. Scoop out the excess regularly and share or compost the rest.
Hitchhiking pests. New plants can carry snails or other pests. A quick plant dip is cheap insurance, our guide on dipping aquarium plants in alum walks you through it safely.
Where to Buy Healthy Floating Plants
We keep a rotating selection of healthy, aquarium-ready floating plants in stock. Browse the full Floating Aquarium Plants collection online, or stop by our store in Cheyenne, Wyoming to pick yours in person.
Looking to plant the rest of your tank too? Explore our Low Light Aquarium Plants and Live Aquatic Plants collections for easy, beginner-friendly options.