Planning a trip to the garden store this weekend? Finding native or non-invasive water garden plants can be tricky, especially when the plant’s common name is all you have to go on. This Louisiana iris, for example, could be one of five species sold under that name. Fortunately, none are invasive in Illinois and Indiana. 

The easiest way to avoid accidentally buying an invasive plant is to know it’s scientific name. Our list of non-invasive alternatives can also help you find out which species can be safely used in your region.