POND PLANTS - KEEPING IT ALL BALANCED! Aquatic plants are key to maintaining a healthy eco-system in your pond:
They shade the water surface
Help keep the water clean and clear
Discourage the growth of algae
Provide shelter for fish (and tadpoles!)
To have a balanced ecosystem, it’s important to have a mix of the following:
Submerged: though not the prettiest, these are the hardest workers in the pond. Stems and leaves are submerged in the deepest part of the pond. They oxygenate and filter the water and reduce algae. Hornwort and Water Lilies. Floating: These plants are not anchored and simply float about the surface of the pond. They have well developed root systems that remove nutrients and minerals from the water. Floaters shade the water surface and deprive algae of the sunlight necessary to develop.Parrot Feather, Salvinia, Water Hyacinth, Water Lettuce.
Marginal: These pond plants grow on the ledges of the pond in pots. They add interest, colour and integrate the pond design with the surrounding garden. Marsh Marigold, Pickerel Rush, Canna, Iris.
Deep water: Deep water plants are rooted in pots and tubs at a depth of 2.5 – 3 ft, though they can be elevated as long as their roots and stems are submerged (think water lilies). They provide surface shade and keep the water cool. Hardy Waterlilies.