How to Grow Natans
Natans
Potamogeton natans
aquatic plantNatans, or floating pondweed, is a submerged aquatic plant with floating heart-shaped leaves and rooted stems anchored to pond or stream bottoms. It thrives in freshwater environments and serves as an important oxygenator and habitat provider for aquatic ecosystems. The plant produces small reddish flowers on emergent spikes during summer months.
When should you plant Natans in your zone?
Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.
Example Natans timeline · Pittsburgh, PA (Zone 6b)
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Plant Natans
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Natans
Around Jun 16≈ 60 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Natans dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 3-9, cold-hardy and adaptable to temperate climates
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Get my Natans timeline →Growth Stages
Root Establishment
2-4 weeksRoots develop and anchor into pond substrate; initial submerged leaves emerge; plant is establishing nutrient uptake
Ensure roots are fully embedded in muddy substrate; maintain water quality; protect from disturbance
Vegetative Growth
4-6 weeksSubmerged stems elongate; heart-shaped floating leaves develop and reach water surface; plant expands laterally
Monitor stem growth; ensure adequate sunlight for floating leaves; thin if overcrowding occurs
Leaf Development
3-4 weeksMature floating leaves form distinctive heart or oval shape with reddish undersides; stems become woody and more robust
Remove damaged or decaying leaves; maintain water clarity; ensure floating leaves have air exposure
Flowering
4-8 weeksSmall reddish or greenish flowers emerge on spikes above water surface; typically occurs mid to late summer
Flowers attract pollinators; allow seed development if desired; deadhead to redirect energy to vegetative growth
Dormancy/Winter
4-5 monthsPlant enters dormancy in cold climates; growth slows; floating leaves may deteriorate; plant survives as rooted tubers or buds in substrate
In cold zones, ensure water doesn't freeze solid; allow sediment to protect roots; remove excessive debris
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Allow natural predation by fish; manual removal if excessive; maintain balanced ecosystem
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and
These are beneficial; predators help control other pests; encourage their presence
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Generally not problematic; maintain water quality; allow natural population balance
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Improve water circulation; ensure adequate aeration; remove decaying plant material promptly
Uses
Fish and Aquatic Habitat
WildlifeNatans provides shelter, spawning grounds, and shade for fish and aquatic invertebrates. The plant and surrounding stems create microhabitats for freshwater organisms essential to pond ecosystems. [source]
Water Oxygenation
HouseholdAs a submerged aquatic plant, Natans performs photosynthesis and releases oxygen into pond water, improving water quality and reducing algae growth. This makes it invaluable in maintaining healthy pond environments. [source]
Forage and Animal Feed
CulinaryIn some regions, Natans leaves and stems are harvested as supplemental feed for waterfowl, ducks, and aquatic livestock. The plant is nutritious and palatable to aquatic animals. [source]
Traditional Water Medicine
MedicinalIn traditional Asian medicine, certain Potamogeton species have been used to treat minor ailments and support aquatic ecosystem health. Properties are mild and primarily supportive. [source]
Pond Landscaping and Design
CraftNatans is used in decorative and functional pond design to create layered aquatic gardens. Its floating leaves add visual interest while maintaining ecological function. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Natans is not typically harvested for culinary use; however, portions can be thinned to prevent overgrowth. Remove excess stems and floating leaves to maintain pond balance and water clarity. Best done in late summer or early fall. Use prunings as natural pond debris; do not allow to accumulate in waterways beyond intended garden areas.
Fun Facts
- 🌱 Natans is one of the few pondweeds with both submerged and floating leaves, allowing it to adapt to varying water depths and light conditions.
- 🌱 The scientific name 'natans' comes from the Latin word meaning 'swimming' or 'floating,' perfectly describing the plant's characteristic growth habit.
- 🌱 In cold climates, Natans overwinters as specialized turions (buds) that sink to the pond bottom and remain dormant until spring when water warms.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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