| I should point out that the temperature info system used on the internet orchid encyclopedia cited above is problematic. If you look at the key that explains the temperature ranges, you'll see a number of problems:
1) No symbol exists nor is a range given for orchids growing with night time temps between 60-68F. What's up with that? Are there no orchids that grow in this range?
2) An orchid which has a night time minimum of 60F is categorized as a cool growing orchid? I don't think so. That's right in the heart of the intermediate growing range.
3) No intermediate growing range is given (the range in which the vast majority of home grown orchids grow)
4) In general the ranges given are off.
Here are the traditionally accepted night time minimums for the temp categories:
Cold - 50F or below (10C or below) minimum temp
Cool - 50-55F (10-13C) minimum temp
Intermediate - 55-65F (13-18C) minimum temp
Warm - 65-70F (18-21C) minimum temp
Hot - above 70C (above 21C) minimum temp
So I'd keep looking for info on your Diplocalobium as I don't think the info on the internet orchid encyclopedia is reliable.
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