Draw attention to an accent such as an ornamental tree by setting it apart from other plantings. Colors, plant materials and arrangements benefit from repetition . Resist growing one of everything. Whether you hire the professionals or create your own simple design, nothing beats a little pre-planning. Once you know what you want, it will be a lot easier to make your dream garden a reality.
Many designers use the color wheel to help with flower placement.
Complementary colors are opposite on the color wheel. Analagous colors adjoin one another and blend well together.