I know that I never paired these two plants together before as the last time I flowered Hoya serpens, I did not even own Hoya undulata.
![](https://i0.wp.com/vermonthoyas.com/vhwp/wp-content/uploads/2023/02/Hoya-undulata-and-Hoya-serpens-02112023.jpg?resize=625%2C833&ssl=1)
I know that I never paired these two plants together before as the last time I flowered Hoya serpens, I did not even own Hoya undulata.