Dogs AND a garden?

If you have dogs you really need the space in the garden for them.

Why not look at planning some raised beds maybe about 3 foot high. These can be built with old scaffolding planks and painted a suitable colour. The dogs will rarely jump into these and can be trained easily not to. Plant anything you like then whether it be flowers or vegetables. The rest of the ground can be covered in decorative stones but you may need to prepare the ground with hardcore first and depending on levels you might need to dig out soil which can be used to fill the raised beds. Overall it should not be too expensive and you will get rid of the muck!