The foliage of Hoya carmelae turns bright red in high light. Below I show the leaves of the plant when grown under relatively weak T-5 fluorescents lighting where the leaves are green. When the lighting is stepped up to high output LEDs the transformation is astounding.
![](https://i0.wp.com/vermonthoyas.com/vhwp/wp-content/uploads/2022/06/Hoya-carmelae-05172022a.jpg?resize=625%2C833&ssl=1)
![](https://i0.wp.com/vermonthoyas.com/vhwp/wp-content/uploads/2022/06/Hoya-carmelae-05172022c.jpg?resize=625%2C469&ssl=1)