I need a landscape

Hello, friends,
I was working as a teacher for the last 20 years. Last year, I resigned from my job. Eventually, I got interested in gardening. When I was working, I didn't get enough time to feed my pets and care about my garden plants. I need to do something interesting and refreshing. I chose gardening. Now I had a wide collection of flowers like Foxglove, Pinks, and Chrysanthemum. Many of my friends suggested that if my garden has a landscape, it will be more attractive. Now I am planning to arrange landscapes in my house. They also suggested landscaping services that are available in Mississauga. But they are not aware of its costs. Can we get workers to arrange landscapes?
I searched for several landscape models, I am confused by the ideas of landscapes. Is there anyone having landscapes in your yard? If yes, please post some pictures. I don't know whether my yard has appropriate places to set a landscape. Are there any disadvantages in setting landscapes?