The National Gardening Association, www.assoc.garden.org, where you can subscribe to free, biweekly regional reports with gardening tips for your area.
Green Landscaping With Native Plants, at the U.S. Environmental Protection Agency’s website (www.epa.gov/greenacres/resources.html), includes landscaping hints and a guide to getting started.
The American Society of Landscape Architects has good general information, along with links to their chapters in each state (www.asla.org).
The DIY network’s website has links for landscaping and gardening tips for home owners, www.diynetwork.com.
For general information and links, the American Horticultural Society, www.ahs.org.
For gardener-to-gardener discussion forums on dozens of subjects, iVillage Garden Web, www.gardenweb.com.
Other
Visit your local botanical garden for a firsthand look at what flourishes in your region. Their websites will also provide great local resources.
Call the U.S. Botanic Garden’s plant hotline with questions at 202-226-4785, or use the e-mail form at www.usbg.gov/contact-us/horticultural-hotline.cfm.