Thirsty Thursday


Beautiful water plant, isn’t it? But Pickeralweed, Pontederia cordata, also works hard in our suburban waters to filter out nitrogen, nitrates and other minerals. If these were left in the water, more algae would grow. That makes it what humans call a biological filter, and they like to plant it in their ponds that collect runoff water. It was one of the aquatic plants growing on that floating raft we showed you a few weeks ago.

This native plant of eastern North America, grows fast and in water a squirrel could wade in, to depths the geese like for poking about for food. You won’t see this old squirrel wading in for a bite, but ducks, geese and aquatic animals like muskrats like to eat the various parts of Pickeralweed.


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