Can Mandevilla Flowers Change Colors

Question

My mandevilla flowers changed colors from yellow to red

Answer 1

The yellow flowering vines marketed as mandevilla technically are not. They are Urichtes lutea or Pentilinon luteum. It is possible for some flowers to change color. The soil acidity, climatic conditions, and other factors can play a part. Color also can mutate. These articles should help:

https://www.gardeningknowhow.com/ornamental/flowers/fgen/flowers-that-change-color.htm

https://www.gardeningknowhow.com/garden-how-to/info/what-is-plant-mutation.htm