Calamus, Acorus Calamus | The indispensable riparian plant for ponds
Calamus, or Acorus Calamus is a marsh plant that is seen by many pond owners as an indispensable pond plant. This is due to the fresh appearance that the plant gives to the pond and by the valuable addition that the pond plant to the pond. Want to know more about this indispensable pond plant? Then read on quickly.
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All about calamus
- What kind of aquatic plant is calamus?
- Why is calamus an asset to the pond?
- Where does calamus grow?
- How should calamus be planted?
What kind of aquatic plant is calamus?
Calamus is a popular marsh plant often used in ponds because of its ornamental appearance and easy care. This aquatic plant, also known as Acorus calamus, has long, narrow leaves on which small flowers grow in the spring when the plant is in bloom.
Why is calamus an asset to the pond?
One of the benefits of adding calamus to a pond is that it helps filter the water. The roots of the plant absorb nutrients from the water, which helps to improve water quality and thus the water values improve and reduce the algae growth reduce. The calamus is a marsh plant which means it does best in shallow water, plant the calamus for this reason no deeper than 20 centimeters. Because if the pond plant is submerged, it will not grow as well. In addition to its functional properties, calamus is also a beautiful addition to any pond. The long, graceful leaves create beautiful texture and movement in the water, and the flowers add a splash of color. Moreover, calamus also attracts different types of animals, such as butterflies and dragonflies, which bring life to the pond.
Where does calamus grow?
Calamus, also known as Acorus calamus, grows naturally in moist environments such as marshes, river banks and along the edges of lakes and ponds. The aquatic plant is native to Asia, but is now found in many parts of the world, including Europe, North America and parts of Africa. Calamus can be planted in both sun and partial shade and needs moist soil to grow.
How should calamus be planted?
Calamus is a strong aquatic plant that can survive the winter and grow up to 80 centimeters tall! You can plant it at a depth of up to 20 centimeters below the water surface. Be sure not to plant the calamus deeper as it will not grow as well.
Frequently asked questions about calamus
Calamus can be bought in per 4 or per 30 pieces at water plant nursery; van der Velde Waterplants, a bunch of 4 pieces of calamus costs only 14,95,-.
You buy calamus at water plant nursery; van der Velde Waterplanten. We grow all our plants ourselves in a natural way. We always pack our plants well and safely so that they arrive nicely at the customer. We also give a 100% growth and flowering guarantee on our plants!

Simon van der Velde
Pond specialist and aquatic plant grower since 1986
Simon's vision is to let nature do its work in your pond. No need to buy all kinds of measuring equipment and water improvers. If the fish are swimming nicely and the plants are growing well, then the water in the pond is of good quality. With a good planting plan and the right approach, you can save a lot of money and maintenance, and ensure a clear, biologically balanced pond that becomes more beautiful every year.