www.lsuagcenter.com/lyn. Louisiana Yards and Neighborhoods. Reduce Stormwater Runoff. Stormwater runoff Definition Problems Solutions. Best Management Practices (BMPs) Prevent runoff Vegetative cover Alternatives Groundcovers Reduce pollutants Fertilizer Pesticides.
plants release water into the atmosphere
Intensity of land use
Amount of impervious surfaces
Water quality degradation
Nonpoint source pollution Sources of pollution that cannot be pinpointed to any single cause. Usually associated with trash, car oil, chemical lawn products and other residues that are easily carried away by flowing water.
According to the EPA, polluted runoff is the #1 water quality issue in Louisiana
Photo courtesy of NEMO
Lowered water quality
Regardless of the type of property you own, you can help preserve Louisiana’s natural resources by:
Keep rain and irrigation water on your property and out of storm drains.
for walkways, patios and driveways
If downspouts drain to planted areas, be sure to select plants adapted to periodic flooding.
Use a rain barrel or a cistern to collect and store runoff for irrigation purposes.
If your property is sloped, you may want to make minor grade changes to divert runoff. This can be accomplished with terraces.
Terracing can be an attractive design element in your yard.
Creating swales (low areas) and berms (raised earthen areas) will help to catch, hold and filter storm water.
Elevations and depressions as small as 3-6 inches can make a huge difference.
Planting groundcovers on slopes is an excellent way to:
Turf grass is a versatile groundcover that is effective at filtering nutrients.
Ipomea batatas ‘Margarita’
The following factors should also be taken into account, when choosing the right plant for the right place…
Periwinkle Catharanthus roseus ‘Diva’
For Shaded Areas
LilyturfLiriope muscari (USDA Zone 6-11)
Cast Iron Plant Aspidistra elatior (USDA Zone 8-11)
Periwinkle Vinca major (USDA Zone 8-11)
Beach Sunflower Helianthus debilis (USDA Zone 8B-11)
Clover Trifolium repens (USDA Zone 5-11)
Perennial Peanut Arachis glabrata (USDA Zone 8-11)
For Sunny Areas
Asiatic Jasmine (USDA Zone 8-11)Trachelospermum asiaticum
Junipers (USDA Zone 8-11)Juniperus spp.
Incorporate trees in the landscape
Because water can wash off our yards, it is important to reduce the amount of pollutants on our property.
It is unrealistic, even unwise, to strive for an insect, disease and weed-free yard. Instead:
If applied improperly, excess fertilizers can run off our yards into waterways or leach into groundwater.