My friends bought a little kiddie pool and keep it filled with a few inches of water to cool off their dogs. Maybe just giving them a better place to cool off than the garden might work.
Hmmm the wire thing sounds promising also. With wire, rocks and a small fence, and a nice place somewhere else to lay, maybe I will break them of the habit...
Invisable fence. I have installed one around our property and a ring around my garden. Keeps my dogs on my property and out of my garden. Works extremely well.
Yep. Invisible, no wire fencing helps me keep the dogs and their digging in the more harmless areas of the yard. Now I'm fencing my garden also, with solar powered electric wire, as my youngest dog likes to eat all my veggies and the older dog likes to dig a hole and lie in it....even though she already has numerous, lovely holes under the shade trees!
I will be planting my flowers in an area in which they cannot roam due to their electric boundary.
I, too, have had some success laying down chicken wire and pinning it to the ground with metal pins....and the dog will move to the edge of that wire and dig there! As they are stealthy and never, ever dig when I am present, I can't correct this behavior like I would any other.