Have your pruned your fruit trees yet? It should be done after they have lost all their leaves.
If lighting bonfires is allowed in your region they are a viable alternative to composting your garden waste.
Paths in your garden should be kept clean from weeds and moss, especially before snow is falling.
Check your stored fruits for any signs of rot and decay on a regular basis.
If the ground is not frozen, there is still a last minute chance to plant hardy plants.
Alpine plants need protection from cold and wet, glass or garden cloche will do the trick mos of the time.
Outdoor taps should be covered in bubble wrap, this will prevent them from freezing solid.
Spinach or endive should be covered with some sort of net or cloche to protect them from animals feeding on them.
Remember to drain all the fuel from your lawnmower before you store it away for winter.