Similar to how a house requires a solid, firm foundation, at the core of any properly executed landscaping endeavor should be good drainage solutions. After a spell of heavy rainfall, evaluate your yard to see just how well it is currently draining. If you have lots of pooling areas and puddles forming, some drainage lines might be in order.
There are many different types of drainage solutions available, depending on your needs and the layout of your landscape. The simplest of these is simple underground pipes that carry excess water to the street and release it.
Channel drains are another option, perfect for preventing roof runoff from flooding the landscape below. These drains are installed into the concrete, channeling water away from the home into a pipe below the level of the concrete. Normally the top portion of the channel drain has a protective grate that keeps out debris and prevents clogging. The channel connects to another pipe, which leads water away from the house.
In areas with sensitive plants such as raised planters, making use of a French drains are excellent drainage solutions. A French drain is nothing more than a perforated drainage pipe wrapped in landscape fabric that will allow water to pass through into the pipe to be diverted away, but soil, roots and other debris will not be able to pass through into the pipe.