Hetty, you are so fortunate to live in a part of the state where you can grow Hoya's outside year round! I have to bring mine in for a few weeks when we have cold winters. I look forward to seeing photo's when your blooms open ... I will try to remember to take pictures of mine when they open too. Mine bloomed off and on last year.
These are photo's of the above two plants from last summer.
This one was labeled H. pubicalyx 'Royal Hawaiian Purple' but I was told it may be 'Red Buttons'. As you can see by the photo's in my earlier post, the foliage changes when grown in higher light:
Also from my earlier post, this is H. pubicalyx 'Pink Silver':
