This six-hour course explores the functions and benefits (environmental and landowner) of rain gardens, and dives deep into their siting, sizing, design, plant selection, amenities, and maintenance.

You will explore the historical context of stormwater management, examining how green infrastructure practices like rain gardens emerged as a crucial solution to the impacts of urbanization. The course meticulously covers the quantitative aspects of rain garden design, offering practical methodologies for siting and sizing these versatile systems.

Key topics include:

• In-depth analysis of rain garden functions, environmental advantages, and landowner benefits.
• Detailed procedures for calculating the amount of water to be drained and sizing rain gardens for both lot-scale and site-scale projects.
• Considerations for topography, soil characteristics, and proximity to structures to ensure optimal placement and performance.
• Guidance on plant selection, emphasizing native species, moisture and sunlight tolerance, aesthetic appeal, and pollinator support.
• Methods for integrating amenities like pathways, seating, and artistic elements to enhance the functionality and beauty of rain gardens.
• Essential maintenance practices, including watering, replanting, mulching, weeding, and inspecting for common issues, to ensure long-term effectiveness and vitality.

Furthermore, the course introduces advanced hydrological modeling tools like EPA's SWMM, providing insights into how these complex simulations offer a more detailed understanding of rain garden performance and potential cost savings in larger projects. By the end of this course, you will possess the knowledge and practical skills to design, construct, and maintain effective rain gardens that contribute to sustainable water management and vibrant community spaces.