Hornwort

Botanical name:
Ceratophyllum demersum

Free floating plant with whorls of delicate forked leaves on slender stems. Can grow 12 - 24 in long. Will propagate through breaking of the stem. Simply place the plant in the pond to float freely and to offer shade, shelter, and spawning media for fish. Excellent oxygenator. Drops to pond bottom in winter.

Hardiness: USDA Zone 4
Height: 2'
Max. Water Over Pot: 1' - 4'
Exposure: Full / Part Sun