As others have said, don’t worry about cats and clematis. My cat walks past our neighbours monster clematis everytime I let him out and in for the last fifteen years.
Generally speaking, animals are not stupid when it comes to eating things that will make them sick unless they are desperate.
Posts
https://www.sarahraven.com/flowers/plants/climbers/akebia-quinata.htm?gclsrc=aw.ds&&gclid=EAIaIQobChMIytCcosyH8AIVs2LmCh1J3QNyEAAYASAAEgL0ZvD_BwE
Hope that helps
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.
Generally speaking, animals are
not stupid when it comes to eating things that will make them sick unless they are desperate.