Horned-pondweed

Zannichellia palustris

Zannichellia

Potamogetonaceae

Native Plants

Zone 4–9

🐾 Pet-Safe

Horned-pondweed is a fully submerged aquatic plant that grows naturally in ponds, slow streams, and wetland margins. It provides important habitat and oxygenation for aquatic ecosystems and is a food source for waterfowl. Best suited for water gardens or restoration projects rather than traditional home gardening.

Care Requirements

Care Level

High

Sun

Partial Sun

Water

Moderate

Growth Rate

Moderate

Mature Height

12″ – 36″

Soil

loam

Life Cycle

Perennial

Spacing

6″

Watering Schedule

Continuously Submerged • Plant Must Remain Fully Submerged In Fresh, Brackish, Or Slow-Moving Water At All Times

Soil pH

5.5 – 6.5

Temperature

-25° – 85°F

Mature Spread

up to 24″

Root Depth

Medium

Foliage

Medium

Propagation: Seed

Ecology & Origin

Native to

Afghanistan

Alabama

Alaska

Albania

Alberta

Algeria

Altay

Argentina Northeast

Argentina Northwest

Argentina South

Arizona

Arkansas

Assam

Austria

Baleares

Baltic States

Bangladesh

Belarus

Belgium

Bolivia

Attracts

🐝 Birds

Sources

Data: trefle, usda

Image: trefle.io — Taken Feb 21, 2021 by Sylvain Piry (cc-by-sa)

Hardiness Zones

Check your zone:

Available From (0)

No nurseries currently have this species in stock.