Free Options

Showoff Home Design is a free program that lets you envision a new garden by adding plants, furniture and other features to your digital photos. The program includes images of hundreds of plants divided by hardiness zone and type. It even shows how the landscape will mature over the next five years. Users complain that the plant options are limited, and the system requires some advance knowledge. It doesn't hold your hand through the process of choosing plants.

 

Other free programs include the very basic Garden Planner Online. It is a simple and user-friendly way to create a really rough sketch of a landscape design, but it doesn't let you save your designs without downloading the program.