This will allow you to experience your garden design even before you actually create them. Some software will even allow you to see what the different type of lighting will do to your garden; it is like you are really there.
Once you are sure that you have something that would like, you show your friend and family what your ideas are. This come in handy if you are hiring anyone to do this work for you because you can show them exactly what you want with accurate dimension, scale and placement that are relative to your house and landscaping.
While all of this may sound as though it is difficult to do, most garden design software come with a wizard that can help you get start. The wizard will help you to quickly add house, deck, pond and everything else that you will need in order to complete your garden.
These are in the form of highly detail model instead of as a regular picture. This look very lifelike, even if you view them close-up.