reprinted courtesy of ServiceMagic.com

The three most important words in developing a good landscaping strategy are plan, plan, plan! A good design is based not only on your personal tastes but also on the existing layout of your property and the limitations that exist in your region's climate. You can find landscaping advice or locate professional landscape designers through local nurseries or through cooperative extension or conservation services (often affiliated with state universities).
When planning a landscape, you need to:
English. The English Garden Style utilizes many shrubs and perennials in a design that complements the architectural style of your home.
Oriental. The Oriental Style uses water, rocks and evergreens with a variety of plants to create distinctive perspectives.
Woodland. The Woodland Style works best to blend your landscape with a wooded backyard and often incorporates waterfalls.
Formal. The Formal Style follows symmetrical patterns, straight lines and precise geometric shapes with orderly, well-pruned plants.
Informal. The Informal Style uses beds with curved edges. Plants are arranged in seemingly random patterns.
-- Tips courtesy of Service Magic