After you have had a perfect landscape design done or did it yourself, you should not stop with just that as the landscape usually also need maintenance afterwards to not lose its original look. The amount of maintenance needed can be decreased with adding edges or other kind of boundaries to avoid plants and flowers of spreading where they should not.
Landscape maintenance basically means that to have the landscape looking good, the basic tool is the lawn mower as it can be used to take care of the biggest areas in your landscape.
If you decide to plant flowers or other kinds of beauty plants, you should take into consideration that they need a lot more care than just ordinary grass. The basic thing is to look that there is no weed in the flower beds as even just one weed can ruin the whole look of the composition. When you have decided to plant trees or bushes into your landscape consider whether they need special maintenance, like border their growing branches.
So to conclude, when you think about making your landscape, also think about how much time you can spend on your landscape and landscape maintenance it needs.