What is a garden?

Goodness knows!
You've got a garden,
I suppose:
					
To one it is a piece of ground
For which some gravel must be found.
To some, those seeds that must be sown,
To some a lawn that must be mown.
To some a ton of Cheddar rocks;
To some it means a window-box;
To some, who dare not pick a flower-
A man, at three-and-six an hour.
To some, it is a silly jest
About the latest garden pest;
To some, a haven where they find
Forgetfulness and peace of mind....
					
What is a garden?
Large or small,
'Tis just a garden,
After all.