Craftycat
When I broke my foot (basically smashed it to bits) and was in a cast for 9 weeks, I hired a wheelchair from the Red Cross.
It meant DH could take me out when he was available, and I could self propel around the house.
The kitchen was a problem, but I learned to swing between units, so managed quite well.
Have you got a 'plaster of paris' cast, or a 'fibreglass' one? A fibreglass cast can be walked on as often as you want/need. It's tiring and balance is a slight problem, but it's much better, and a lot safer than using crutches on stairs!
If you want to weed the garden, only get down on a blanket if there's someone to help you back up, getting upright is a lot harder than you think if there's a non-bending ankle!