I have to bring all of my tropical plants in. Some winters we get down to 5-10 degrees. My white pudica stayed alive all winter in the basement and kept on blooming inside.
When it gets crazy here, and I have no time, I'm a slinger and tosser of the fertilizer. I'm glad I found the mix I mentioned above. I've made a note about it in my plumeria info.
I hope your pink pudica does well for you. If I remember correctly, my white and pink pudicas took to longest to start growing, compared to the other plumerias that I planted in 2011.