African Violets and Gesneriads: Well I think That I am killing all My plants Slow, 1 by Dimmer

Dimmer wrote:
Well some are living some are dying and as of now I am so confused on what to do.
I have to keep my heat between 60 at night and 65 in the day and my heating bill is still 200.00 and if I keep it any higher my bill will get higher
I have them on heat mat and turn on the lites but I just think that they are either to hot or to cold. Then I will be on vacation off and on Maybe I just have to many plants and just not taking care of them right
Will just thought I whine aliitle and feel sorry for my poor plants That I sure I am killing I am going to send 2 picture this is my AV than I send a Sterp picture next
Dimmer