Sketchup
http://sketchup.google.com/
*FREE*
Realtime Landscaping Plus
http://www.ideaspectrum.com/
$79.95
Home & Landscape Design
http://www.punchsoftware.com/index.htm
$49.99
Better Homes and Gardens Landscaping and Deck Designer
http://www.chiefarchitect.com/
$79.99
Turbo FLOOR PLAN Landscape & Deck
http://www.imsisoft.com/
$34.95
Total 3D Home & Landscape Design Suite
http://www.individualsoftware.com/
$34.99
Below is a list of free and pay options for landscaping software. Feel free to contribute in comments (especially free).
- Google sketchup
http://sketchup.google.com/
*FREE* - Realtime Landscaping Plus
http://www.ideaspectrum.com/
$79.95 - Home & Landscape Design
http://www.punchsoftware.com/
$49.99 - Better Homes and Gardens Landscaping and Deck Designer
http://www.chiefarchitect.com/
$79.99 - Turbo FLOOR PLAN Landscape & Deck
http://www.imsisoft.com/
$34.95 - Total 3D Home & Landscape Design Suite
http://www.individualsoftware.com/
$34.99