University of Maryland Extension Agency is a great resource for the home gardener. We have included two of their most popular pages. Below is a link to their website for more information.
Specs and Supplies for Small Water Catchment System
This single-plot water catchment system was designed and built for GCGC by Steve Wade, who also created a schematic and materials list for any other gardeners who want to build their own.
Vegetable Planting Calendar for Central Maryland
https://extension.umd.edu/resource/vegetable-planting-calendar
Yard and Garden Resources
https://extension.umd.edu/resources#!/category/3
More Resources