There is nothing at all wrong with this and it is something that I do, however, it may take venturing a little farther afield to find inspiration beyond just looking over the fence at what your neighbors are doing.
Gardening might be a top hobby in communities but it is probably considered so on the basis of having a few petunias in one corner of the lawn and setting out a few tomato plants in the backyard for most residents who make the claim. There is nothing at all wrong with this and it is something that I do, however, it may take venturing a little farther afield to find inspiration beyond just looking over the fence at what your neighbors are doing. I know that this is true in my neighborhood ;).