I think they need more heat temperature. I researched the plant at the Japanese web site in Japanese, They don't grow in Hokkaido / northern Japan...
I look for vermiculite too. I live in Surrey. I found a supplier in Chilliwack. Little bit too far away for me. Valley Indoor Hydroponics...
Hi David, I have some Oca. I have to check how many. If you want some, let me know.
Hi Vicky zz, unfortunately I failed to keep yacon crowns 2 years ago. all died. I'm looking for them now. I may get some this year. when I...
I plant yacon from 5 years ago in Surrey BC.