Growing Yacon Ulluco and Oca tubers (Part 1)

 I will put a link to more info for each from the expert I bought them from.
Ulluco (Ullucus tuberosus), pronounced oo-YOO-ko
 https://www.cultivariable.com/instructions/how-to-grow-ulluco/
Yacon (also yacón or yakon, Smallanthus sonchifolius; previously Polymnia sonchifolia), pronounced yah-CONE
 https://www.cultivariable.com/instructions/how-to-grow-yacon/

Oca/ New Zealand Yam (Oxalis tuberosa) pronounced OH-kuh,
 https://www.cultivariable.com/instructions/how-to-grow-oca/