Asked April 15, 2021, 12:15 PM EDT
What would you plant in a "floating island" type macrophyte filter that would do well in Washington County? Also, any recommendations for underwater plants would be helpful. We are a student group that is trying to solve a high nitrogen problem in a water body. We have found that the plants typically recommended for this type of planting are not native or even invasive. Any information would be helpful.
Washington County Oregon