Chelsea Gold Medal winners for Aquatic Plants 2011 - 2017
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Oxygenating plants

Oxygenator pond plants to submerge under water for water health & clarity

Oxygenating pond plants can be placed in shelf depths <p>Suitable for shelf depth 14-22cm (approx 6-9”)</p>  or <p>Suitable for shelf depth 23-44cm (approx 10-17”)</p><p>Suitable for shelf depth 45cm+ (approx 18”+)</p>. Hover over/touch the symbol to see each plants requirements.

Allow two portions of oxygenating plants per square metre of surface area.

Oxygenators photosynthesize to produce oxygen during daylight hours which keeps the water fresh.

Submerged oxygenators are also vital in the pond as they use dissolved nitrates and mineral salts from the water. This competes with the algae growth. Some varieties will also shade the water, depriving the algae cells of sunlight.

Submerged oxygenators need to be maintained on a regular basis so that they do not fill more than 30% of the volume of the pond or container pond.

We send some submerged oxygenating pond plants as bareroot portions (loose) as the plant floats freely in the water (Ceratophyllum demersum - Hornwort). These can be dropped into the pond and will find their own depth. No weighting is required.

Other submerged oxygenating plants are sent as a weighted bunch per portion (Myriophyllum spicatum and Potamogeton crispus).

Dependant on their availability or season of activity, some oxygenating plants will come either bunched or ready potted in aquatic compost and so can be placed down on a shelf in the pond (Callitriche palustris and Ranunculus aquatilis).

Some oxygenating plants have two types of foliage - one submersed below the water surface and the other on or above the water surface (Ranunculus aquatilis). The foliage will change between the two as the season progresses.

Read more about Oxygenating plants