Kristine,
I can almost guarantee that you will grow multiples of Quietness. It is THAT good of a rose.
Remember to grow/prune it as you would a hybrid tea. If you let it go "bush," like a Knock Out, it will be a jumbled, sprawling mess of a rose with small blooms. I know it is classed as a shrub, as all of Dr. Buck's roses are, but it is not a shrub rose. I have seen it growing in a public garden, shrub method, and it is pitiful grown that way.
Moses
Q
Ideas for ways to help me recreate my bouquet every year
Q