There are two main ways through which you can get your design of landscape right.
In the first instance, you can undertake landscape design research, read as much as you can about the subject, and put the ideas you learn into practice, to end up with decently executed landscape design. In most public libraries, you will tend to find sections with lots of books on landscape design, and as long as you have the educational background that can enable you to benefit from this information, you will find most of those books quite useful. The internet is another resource you can check for information on landscape design. There are lots of tutorials, stand-alone articles and forum discussion threads on design of landscape that you may find beneficial.
There is an upside and a downside to that DIY approach to landscape design. Starting with the upside, you come to realize that it is a very cheap way to get design done, compared to paying a design professional to do it for you. We are looking at a situation where a typical design professional could charge you thousands of dollars for an average project, those being sums of money you get to save when you opt to walk this path. Then again, as long as you can internalize the ideas you learn effectively, you can come to a position where you can be in a position to do the landscape design (and subsequent landscaping) to your full liking, which would have been quite difficult to achieve were you to leave the design to someone else.
The downside to DIY landscape design is that it is, for one, time consuming. Researching to establish all the design of landscape principles well is bound to take you a lot of time. Since you are not a professional in the area, chances are that you won’t be in a position to get your design as well done as a professional designer would. The end result may be sub-standard landscaping work.
The second option, in terms of ways through which you can get your design of landscape right, would by paying a design professional to do it for you, telling them where you want landscaping done and what you want in terms of results – and leaving it upon them to come up with a complete plan. There is an upside and a downside to this approach, as well.
Starting with the upside, it is undeniable that (provided it is a well qualified design professional you task it to), the design of landscape would tend to get better done this way. You simply can’t even start comparing a professionally done landscape design with a ‘home-made’ one. Still on the upside, contracting the whole design of landscape job to a professional is what you need to do, if you are keen on saving time. But there is a downside as well. For one, most of these design professional will tend to charge what can only be termed as a premium for their services. And secondly, when you task someone to do your design of landscape for you, it may not get done exactly to your liking.