Quote:
Originally Posted by tom499 I only use rainwater  My parents grow all sorts and try and be green.
The only thing i can think of atm is temp. the greenhouse is unheated so pretty much does what the sun says.
I bring them inside when it goes below 10c but then that means they have nights of 15c and go outside during the day when it may be 14c. |
That plant, with that parentage would be happy in 10-25C temps with phal to cattleya light. You probably are looking at too much heat, and the plant would be fine down to 2-3C, as long as it's leaves aren't wet and there is plenty of air flow to keep frost from settling.
-Cj