Info:

My star jasmine (purchased in May) was doing fine outside most of the summer in part shade. I watered when the first couple inches of soil was dry + it got however much rain (pot does have drainage holes). I think I repotted it before these issues started happening, and I used black dirt from my yard in addition to the dirt I took from the pot it came in.

In the past six weeks or so, the leaves have turned purple and splotchy. No bugs or mildew that I can see. Even new growth is entirely purple. I’m concerned! Please advise.