Why do I grow 95% of my Hoyas upright? I grow them that way because I can fit far more plants into a given space than with hanging baskets. Also, hanging baskets for the most part work poorly underneath plant lights (The lights are in the way of the hangers). I have just completed the first Hoya trellising video titled: Hoya Trellising 101 Part One: Bamboo Hoops. The link can be found here:
Here is the second installment of my Hoya trellising workshop entitled: Hoya Trellising 101 Part Two: Working with Wire
Here is the final installment of my Hoya trellising workshop entitled: Hoya Trellising 101 Part Three: The best of the Rest