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I live in Idaho in USDA zone 5a. I want to try growing Sclerocactus outside in the ground. I think some species from north eastern Utah and Colorado have a fair chance of surviving Winter. However, I haven't found a nursery that sells them. Anyone know where I can get some? I read they aren't easy to grow from seed. If I can get a plant maybe I'll try grafting a couple tubercles to Pereskiopsis before putting a plant in the ground.

I ordered an S. parviflorus from Mesa Garden to try but it is from northern AZ. I prefer a Sclero. that originated from a colder place.

My order from Mesa Garden arrived but it didn't include S. parviflorus. MG ran out of that one so I'm still looking.