Divine Seeds Fractal grow on balcony

Fractal seems to be quite temperature-sensitive. Whilst the other varieties cope well with night temperatures between 8° and 10° C, all but one of the Fractal ladies seem to be offended. I will probably continue to work with the lady in picture two as a selection in the near future, as she has survived the temperatures and no burns on the leaves from too short a hardening off best. Overall, the Fractal Ladies are a little behind my other varieties, the leaves are smaller and the colour is light green. I assume that they will have a growth spurt in the next few days when the night temperatures rise to 12° C. and the day temperatures to 24° C.