Q.Mandivilla plant is yellow.
My plant looks terrible. Pictures are below. I have the same plant that gets the same sun and water and looks gorgeous!
Help!
I do feed them with Miracle Gro.
Thanks,
Angie

I'm not able to see the photo you uploaded, unfortunately. But here are some possibilities for what might be going on:
https://www.gardeningknowhow.com/ornamental/vines/mandevilla/yellow-leaves-on-mandevilla.htm
https://www.gardeningknowhow.com/plant-problems/environmental/plant-leaves-turn-yellow.htm