These are, for the most part, submerged plants. They are very useful in supplying cover for aquatic insects and lavae and because they are fast growing will take up alot of nutrients from the water, thereby reducing algal growth.

They produce oxygen during daylight hours but as they take oxygen out of the water at night they should not be planted too densely.

Some oxygenators are not advised for large earth ponds as they can become invasive.


Callitriche autumnalis "Crystalwort, hermaphroditica" Native

Ceratophyllum demersum Hornwort Native

Eleocharis acicularis "Dwarf hairgrass, Needle spikerush" Native

Elodea canadensis "Anacharis, Canadian pondweed"

Fontinalis antipyretica Willow moss Native

Hippuris vulgaris Mare's tail Native

Hottonia palustris Water violet Native

Hydrocotyle nova zealand Miniature Pennywort

Marsilea quadrifolia Water clover

Myriophyllum brasiliensis 'Red Stem' Red stem parrots feather

Myriophyllum spicatum Spiked water milfoil

Pilularia globulifera Pepper grass

Potamogetum crispus Curly pond weed Native

Ranunculus aquatilis Water crowsfoot Native

Scirpus cernuus Fibre optic plant

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Plant of the month

Caltha Palustris (Marsh Marigold or King Cup)

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