Gardening in raised beds has been a common practice for centuries. "Raised" means the soil level in the bed is higher than its surrounding, and "bed" implies it is small enough to work from the walkways.
This publication provides basic advice on a wide range of gardening topics, including composting, container gardens, fall/winter gardens, fertilizing, insect pests, plant diseases, planting guidelines, raised beds, site selection, slugs, ...
Digging in the dirt gives youth a feeling of accomplishment
Try to imagine using garden tools out in the garden and yard if you couldn't see well.
Volunteers give back by educating the public
Water-wise gardening conserves water and helps protect the environment. A xeriscape is a “dry scene” that uses very little water, but a water-wise garden includes any style that is designed to conserve water.