Filed under: garden, Minnesota, pond, water garden | Tags: broad leaf arrowhead, garden, Minnesota, plants, pond, water garden, water hyacinth, water lettuce
My pond has been overrun by floaters this year and something has to be done.
I took half a wheel borrow full of floaters to the compost pile earlier this week and the floaters filled the cleared spot up the next day. All of this green is from 10 small plants purchased in early June.
The floaters in my pond are water lettuce (Pistia stratiotes) and water hyacinth (Eichhoria crassipes). They are just leaves and roots. So far neither of these plants have bloomed for me.
The roots on the water lettuce are about 8 inches long on mature plants. The plants send out side shoots with smaller plants on them. As the plant gets bigger, it also sends out more babies. They continue to grow as long as they can reach water.
Water hyacinth are much like the water lettuce in that they are just green plant and roots, and they send out shoots to produce more plants. The hyacinth have bladders to help keep them afloat. In southern states they are considered invasive. Some places in Africa and Asia they will heap hyacinth together to make floating islands where people will live. Here in Minnesota both plants will freeze off as winter nears. Then I just net them up and add them to the compost pile.
If you look at the bottom of the picture you can see the newest addition to the pond, sagittaria latifolia. Sagittaria latifolia is a plant found in shallow wetlands and is sometimes known as broadleaf arrowhead, duck potato, Indian potato, or wapato. This plant produces edible tubers that were extensively used by the Indigenous peoples of the Americas.
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