Originally Posted by Linda_GER

I don`t know if all forms of BOP need the same cold period. All I can say is that my S. reginae plants produce blooms regularly after they have been exposed to temperatures below 10°C for some weeks. Sorry, but I don`t know if S. nicolai needs exactly the same procedure to bloom. I`m sure that an expert from Sayers Strelitzia Nursery will answer your question.