So sorry to hear that...It is a terrible feeling when these things happen and one blames themselves for not being more aware of the situation. Rest assured though that many of us also have had this experience and if one positive can come out of this is "vigilance" ... I had some Cypripediums once and no matter what I did they just turned up their toes in our climate here. At least yours grew for you, and that is a positive thing!
My thoughts are, start again... you obviously know what you are doing with these little gems so that is awesome. Perhaps when you have another go you can teach us down here how to even get them growing....