Egeria Densa

What is Egeria Densa?

Egeria Densa, also called Elodea Densa is often sold as waterweed. You probably know it from the fishbowl. This species is also called Brazilian waterweed. Its name comes from its origin, which is South America. Egeria Densa is actually not a true waterweed. Since there isn't really another category to which this oxygen plant belongs, it has been grouped under Elodea for convenience. This oxygen plant is very useful in a pond. It provides your pond with enough oxygen by producing green leaves. The green leaves produce oxygen through photosynthesis.

Because this species is a very fast grower, it absorbs a lot of nutrients. As a result, this oxygen plant competes with the algae in your pond. The latter therefore have less chance, keeping the water clearer. A big advantage over other water plants is that the waterweed species can get their nutrients directly from the water (just like Coarse Hornleaf and Fine Hornleaf). With this, they compete directly over nutrients with the algae. Indeed, in rooting species, nutrients must first be converted by soil processes. Your fish will be happy too; this aquatic plant is edible for them.

NOTE: This aquatic plant may no longer be sold in the Netherlands due to changed legislation. There are plenty of alternatives available on the webshop.

Frequently asked questions

What does egeria densa look like?

Brazilian waterweed has a dark green colour, which makes it somewhat similar to Broad Waterweed. However, instead of elongated, Egeria Densa has more line-shaped leaves. It is most likely to flower in July, when small whitish flowers are formed. This aquatic plant species is native to South America but also grows well in our climate. In summer, growth is exuberant, for the colder periods some kind of winter buds are created. As long as winters are not too severe, this oxygen plant can overwinter in your pond. In spring, it will then start growing again quickly once the days get longer and there is more light.

How to plant egeria densa?

Waterweed species are able to extract their nutrients directly from the water. Planting waterweed is therefore not necessarily necessary. However, these oxygen plants do produce roots when planted in a pond basket or in the soil. It is also easier to control and looks neater than free-floating plants in your pond. 

Buying Egeria Densa?

Egeria Densa is for sale through De Vijvermeester's webshop. Here you can find beautiful forests of high quality.