Q.Live In Illinois..just Bought Dipladenia Plants To Pot In A Week , Maybe Depending On Weather. Sitting Outside. What Temperature
at night can thet tolerate and still remain healthy or should I bring them in garage at night??.
Certified GKH Gardening Expert
I should not fall below 65 at night. Any lower than this, and it will risk the health of the plant.
Here is an article that will help you with their care: