If you believe the original rose literature, then you shouldn't be able to breed with Dr. Huey. However, being triploid does not mean "sterile". There are a number of fertile triploids which have provided some really interesting results. I have raised hybrids from R. Minutifolia, R. Stellata mirifica, R. Hugonis using triploid minis. If you are interested in attempting breeding with Dr. Huey, try it. Huey does set self set seeds and they do germinate. I have raised self set seedlings out of curiosity. I've not retained any as they weren't things I sought. Give it a try. You might be surprised!

The short answer is, YES,,,

Roses break genetic rules quite often.

Triploids are often fertile, but not always, more easily as pollen parent. Ploidy is quite an interesting topic.

For most answers regarding this and other rose breeding queries visit RHA Forum and take advantage of their database.

Best wishes, Robert

Its possible. It just might be a bit more difficult/unreliable. Some triploids are very fertile like Blue For You but others are often more stubborn and may be better used for pollen (given the millions+ pollen produced, theres a higher chance some of those will be fertile).

The other aspect is climate, Iceberg is a triploid that produces fertile seed in some climates but none in others. But the climate aspect is likely to vary from one rose to another.

If it werent for fertility in triploids we wouldnt have modern roses which stem (many generations back) from crosses between european tetraploids and asian diploid roses.