This pass thru stormwater bioswale planter serves a number of functions for the Audubon Society of Portland. Firstly, it filters the rain barrel overflow coming from the roof. This assures that the water is clean before it runs out to the wild hillside. Secondly, the plants were specifically chosen to serve as food for the birds and insects found in the area. Thirdly, this bioswale acts as an educational demonstration...
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