[Cynthia, Prescott, AZ]

Ogus, Phals can adapt to lower humidity. We have plenty of home Phal growers here in dry Arizona, with typical humidity around 20% or less before air conditioning. So, moving the plants outside sounds like a good idea just for the convenience of it, but you may want to consider some change come winter if these don't bloom by late winter. For blooming, many Phals are intermediate growers, and expect a night time drop in temp in winter (60F, or a little lower), and a shortening of the day length, which I wonder if you are going to get much of. Why don't you up date your profile with your location, and maybe your latitude embedded in the location. Some of the warmer Phal species will bloom without these ques.

Your Phal pulcherima X Buddha's Treasure has a name. It is P. Laurel Lea Baldan. This plant has a summer blooming habit because of the pulcherima in it.