Ornithogalum Dubium

[cockatiel]

I have found the orange version of chincherinchee in garden centres in Norfolk. I have brought it back to Devon with the hope of gowing it again the following season, but in spite of following instructions, I have never had any success with it. I wondered if anyone else has tried to regrow it and what I should do to encourage it to produce some shoots. Also I would like to know if anyone who lives in the West Country knows where I could get it in this area