I am an absolute beginner with roses and have only ever had short stems on my bushes. how do I get longer stems off the bushes?
I have the hybrid varieties
Stem length is one of the characteristics that are bred into some roses. Long-stem roses generally come from hybrid tea roses. Common shrub roses will not have long stems with an elegant single bloom. Here is a rundown on rose types: https://www.gardeningknowhow.com/ornamental/flowers/roses/different-types-of-roses.htm