Hello,
The best way to present landscape illustration is by using Photoshop tools, the software allows you to control the colors and shapes of your trees shrubs etc… you can add filters to your objects in the drawing and actually do every thing you need in order to present your ideas as you want, you can do it by using the basic tools of Photoshop
Please visit our website to learn more about it:
http://www.2d-landscapearchitecture.com/index.html
Best regards
Dori
