Conway School of Landscape Design  
   Massachusetts based graduate program of environmentally sound site design and land use planning.
   http://www.csld.edu/

Sustainable Urban Landscape  
   Using the criteria of sustainability to develop landscapes to conserve resources, restrict chemical use and reduce labor inputs.
   http://www.sustland.umn.edu/index.html

Plants of Horticulture  
   Photos and text describing over 600 ornamental plants. A database from Ohio State University.
   http://www.hcs.ohio-state.edu/hort/plants.html

Landscape Design School  
   Home study course to help prepare the student for a career as a professional landscape designer.
   http://www.landscape-designer.co.nz

Wise Water-Use Landscape  
   Planning and designing an attractive, useful, and water efficient landscape.
   http://www.bae.ncsu.edu/programs/extension/publicat/wqwm/ag508_2.html

Landscaping for Energy Efficiency  
   Designing landscapes to reduce heating and cooling costs.
   http://www.eren.doe.gov/erec/factsheets/landscape.html

Basic Principles of Landscape Design  
   Essay explaining how to combine elements of art and science to create a functional, aesthetic landscape.
   http://edis.ifas.ufl.edu/scripts/htmlgen.exe?DOCUMENT_MG086

Landscaping to Attract Birds  
   Introduction and instructions on inviting birds into your landscape.
   http://www.bcpl.net/~tross/by/attract.html

IPM-Based Landscape Design  
   Discusses specific design and construction practices to help minimize the reliance on pesticides.
   http://www.efn.org/~ipmpa/des-cnsd.html

High Country Gardens Tips  
   Articles about planning and creating a drought tolerant and water-wise, easy-care garden.
   http://www.highcountrygardens.com/articles/

Less Lawn  
   More sensible landscaping for gardeners and nature lovers... practical steps to shrink your lawn and grow your pleasure.
   http://www.lesslawn.com

Ilona's Reflecting Pool Garden  
   Garden design ideas, with an emphasis on gardening in the Midwest region.
   http://www.geocities.com/reflectpool/gardening.html

Home Garden Design  
   Home Landscaping course. Optional assignments and award of merit available for a small fee.
   http://www.acsedu.co.uk/LdscDesign

Energy Savers: Landscaping  
   Information on using landscaping to reduce energy bills.
   http://www.eren.doe.gov/consumerinfo/energy_savers/landscaping.html

The Wise Gardener  
   Tropical gardening site originating in South Florida combining humor with information on palms, cacti and succulents; cooking with herbs and spices and garden decorating tips.
   http://www.thewisegardener.com/

Sustainable Trees and Shrubs  
   Provides information on tolerance, resistance, selection, and planting.
   http://www.uri.edu/research/sustland/

About Landscaping  
   Information for homeowners on hardscape and softscape elements in landscape design. Includes a chat room and forum.
   http://landscaping.about.com

Suite101: Designing Home Landscapes  
   Ongoing series of articles on a variety of home landscaping topics, from plant choice and designing around problems to tours of gardens around the world.
   http://www.suite101.com/welcome.cfm/17244