A Rain Garden is a shallow depression in your yard that is planted with native wetland or wet prairie wildflowers and grasses. A rain garden is designed to naturally collect water that runs off from your roof or is discharged from your sump pump. Rain Gardens are gaining in popularity because they are low-maintenance and attract birds and butterflies while making good use of stormwater runoff. Learn to build your own rain garden
City of St. Charles Grass and Flower Seed Mix
In spring of 2017, the City of Saint Charles provided over 1000 seed packets to City residents. Beginning in March 2018, the City of Saint Charles Department of Engineering will once again provide (1) free packet of rain garden flower seeds to City residents. These seeds should to be planted in a low-lying area, which tends to stay damp throughout the growing season. The species in this mix will tolerate periodic flooding, as well as dry periods between rainstorms. Once established, these flowers are an excellent way for City residents to improve stormwater quality with native vegetation. This mix is not recommended for dry, sandy soils that drain rapidly and do not retain moisture. This mix is not meant to be planted in flower pots.
Rain garden flower seed packets are available at the following locations:
Department of Public Works 2871 Elm Point Industrial Dr. St. Charles, MO 63301 (636)949-3363
City Hall - Front Desk 200 North Second Street
St. Charles, MO 63301
Department of Engineering 200 North Second Street 2nd floor St. Charles, MO 63301 (636)949-3237
St. Charles Parks & Recreation 1900 W. Randolph St. St. Charles, MO 63301 (636)949-3372
St. Charles Senior Center 1455 Fairgrounds Rd St. Charles, MO 63301
Remove all existing growth, scatter seed evenly and compress into the soil. Do not cover. Fertilizers, and/or lime are unnecessary, as wildflowers are adaptable. Keep area moist until seedlings are 6-8” high; after flowers have been established, they require minimal care. Plant seeds in spring months (March – May) after the danger of frost.