Why can't I walk in the Garden Maze?

Hint 1 of 8:

Because you don't want to ruin the grass for the tourist season.

Hint 2 of 8:

Therefore, you may not walk on the grass.  Find another way.

Hint 3 of 8:

Have you been to the garage?

Hint 4 of 8:

Can you work the Garden Roller?

Hint 5 of 8:

Enter the Roller, turn it on, now just give compass directions.

Hint 6 of 8:

You can ride the Roller into the maze.

Hint 7 of 8:

You need to find a way in there.