You'll have more luck with rooting Early Spring stems. In the Fall, the stems are all Floral initiated - It is like trying to root a vase of roses - ain't gonna happen . . .

If you mother plants are conditioned properly, you don't really need rooting hormone. They should start rooting within 10 days if you have everything right.
At GLH, I start with just a bud in tissue culture and build my stock blocks from there. I have quite a few propagation pics posted at our site. Regards . . .