There are difficult Hoyas and then there extremely difficult Hoyas; Hoya undulata falls into the latter category. I failed with my first plant obtained from AH Hoyas in 2016, and on my second one in 2017. Below the foliage of the plant:
![](https://i1.wp.com/vermonthoyas.com/vhwp/wp-content/uploads/2020/05/Hoya-undulata-050520r-scaled.jpg?fit=625%2C469&ssl=1)
There are difficult Hoyas and then there extremely difficult Hoyas; Hoya undulata falls into the latter category. I failed with my first plant obtained from AH Hoyas in 2016, and on my second one in 2017. Below the foliage of the plant: