It's a process. You wait until the stem gets long enough that you can cut it, root it and put the rooted cutting back in with the mother plant. When you cut it, new growth will pop out closer to the pot. My 'Minibelle' has only 3 plants in the pot - I started out with one cutting in 2006 and this is what it looks like today:

I'm also growing some in hydroton that came off of this. It's bloomed several times. I have a lot of affection for the long-leaved Hoyas!

Denise in Omaha

That's a minibelle?! Its magnificent, I mean I really like that a lot. The leaves look so big to be a minibelle.. I'm very excited now thank you for your response.