Specialist societies tend to be bursting with totally OOT enthusiasts and even more with detailed nowledge offered more than generously.
Somehow, there will be a way to ask if you cannot find answers to your questions, if not in "joining packs", there will be some way or another.
Nerines - quite popular in the UK - you should be fine.
They don't float my own boat especially, but there are lots of species, many available in cultivation, and almost beyond counting numbers of cultivars.