Slow Stormwater, Prevent Floods With Rain Friendly Landscaping
URBANA – Life does not exist without water. Gardens don’t grow without water. But what happens when there is too much of a good thing? Or when that good thing is mismanaged and becomes a misfortune. Or when there are prolonged periods of drought? “The tale of stormwater is more frequently a story of feast or famine,” says Emily Swihart, University of Illinois Extension horticulture educator. “Managing this resource onsite can have ripple effects downstream and throughout the watershed.” Rain gardens, bioswales, and permeable pavement, are all methods to slow stormwater and prevent floods. Before Illinois was settled, it was covered in diverse ecosystems of prairies, woodlands, and wetlands. These features were connected through a vast network of river valleys and stream corridors. When rain fell, nearly all the water was absorbed into the soil where it was available for plant use or slowly percolated into groundwater. Water that travels through
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