News Flash

In The News

Posted on: March 22, 2018

Planting for Clean Water

New England Aster

Article and photo by the Minnehaha Creek Watershed District

It’s officially spring, and we are ready to hear the birds singing, see buds swelling on tree branches and watch refreshing rains that wash away the salt and grit from the landscape. But the salt and grit that has accumulated on roads, sidewalks and parking lots these last few months are a major source of pollution in our lakes and streams. Some simple steps you can take to reduce runoff are to install a rain barrel and redirect downspouts away from driveways and sidewalks so they drain to a lawn or a nearby garden. You can also incorporate native plants into your landscaping and provide areas for water to infiltrate into the ground.

“Native plants” are plants that have been in this region for hundreds of years and have evolved to withstand the local climate and ecological pressures. In general, native plants have long roots that can find water deep underground, prevent erosion, decrease soil compaction, and filter out pollutants. Because they are well adapted to our climate and soil, they typically need little water and no fertilizer or pesticides. And they add beauty and habitat and food for wildlife and pollinators.New England Aster

If you would like to add native plants to your landscape, your first step is to determine where you’d like to plant them. Ideal locations are along shorelines, slopes, depressions, and areas where turf grass doesn’t grow well. Then you will need to consider the soil type and sun exposure in those spots as these factors will influence which native plants will grow best. Also consider any local regulations that may affect what you can plant where, and what will be amenable to your neighbors. Lastly, determine what kind of plants you like – do you prefer colorful flowers that bloom throughout the year, or do you like grasses or low-growing shrubs? There are a lot of native plant guides out there, and a great resource is www.blue-thumb.org, which is a partnership of local government units (including Minnehaha Creek Watershed District), non-profits, and private companies working toward clean water goals.

Another way to incorporate native plants into your yard is to build a rain garden. A rain garden is a bowl-shaped garden of native plants that captures runoff and allows the water to soak into the ground. The water is filtered to remove sediment and pollutants, which keeps polluted water from running off the landscape and polluting local lakes and streams. Rain gardens also add beauty to your yard, support pollinators and birds, and may even inspire your neighbors to install one too!

If you are ready to help clean water in your neighborhood by planting native plants or a rain garden, check out the workshops Minnehaha Creek Watershed District is hosting in partnership with Metro Blooms in April: www.minnehahacreek.org/education. Happy spring and happy planting!

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