Hoya-yvesrocheri was never a great grower, and by that I mean that it has a tendency to have leaves yellow and fall off, which always makes me crazy. It was not near as vigorous as stenophylla, but it still grew steadily. It developed its first peduncle at about 2 years of age, but there was no signs of it ever wanting to bud up even after it had 20 peduncles. Below the plant as it looks now: