Yep! I'm not directly familiar with this particular spp. but the Phals I have had in past (I'm down to 2 now) I cut the spikes after blooming, let the leaves grow, as well as roots, then in fall when temps in window box naturally got cooler, they set new spikes. Now this year, one of the two remaining (most of my collection was descimated by hail last summer) Phals really wanted to set spikes badly as I cut off the old, it set a new one, I cut that one off, it set another, I cut that one off. Now it's growing new leaves (2 at same time.) So I hope for great things next spring or so.
As for repotting, I do this once each year to assure the medium stays open and free draining. Always after blooms quit or I cut the spikes.
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