I've been growing my D. capensis alba for almost a year now. When I got it last July, I grew it outside and it grew like a weed. When winter came around and it started raining frequently, I moved it indoors for a few months. Temps were mid-50's to low 60's, but available light was low and it was growing towards the window (but growing quickly and the leaves were very dewy).
A month or so ago, the temperatures warmed up a bit, so I decided to put it back outside. We had a few cold nights in the low-30's, but the past couple of weeks haven't seen any temperatures below mid-40's. According to D'Amato in The Savage Garden, those temps should be fine (keep between 40-80 degrees F), but the plant does not seem to be doing well. Many of the older leaves have turned black, and some of the new leaves are turning black at the tip before they've fully developed.
So, should the plant go indoors or outdoors?