Outdoor Conservation Rain barrel and cistern sellers Phone numbers and other contact information for organizations/ companies that sell rain barrels and/or cisterns locally and in the region. More details...   An introduction to water-efficient landscaping Principles of water-efficient landscaping, including soil testing and preparation, site planning, plant selection and maintenance. More details...   What are the best ways to conserve water outdoors? Information on outdoor conservation methods such as choosing alternatives to cold season grasses, practicing smart irrigation, etc. More details...   Websites about waterwise landscaping, etc. Links to websites of the North Carolina Botanical Garden, NC Cooperative Extension Service, etc. The "Xeriscape North Carolina" electronic booklet is an overview of waterwise landscaping principles such as site planning and preparation, plant selection, irrigation, maintenance and care, etc. More details...