Does anybody in ontario willing to share or sell some dioscorea batatas (chinese Yam) or comfrey?

Hey all you awesome permies out there just asking if anyone is willing to sell some chinese yam aka dioscorea batatas or some comfrey bocking 14 or 4 to mee!!! lol i need to ramp up my numbers and ive managed to divide quite a few this year but would love some more comfrey and as far as the batatas goes i would love to have some for my deck to trail up the posts nothing beats perrenial food crops!!:) any feed back would be awesome