Yes we do. But haven't figured it completely out yet. High desert is different kind of gardening than sea level.
You can grow new plants from cuttings by simply placing cuttings in soil and watering, however a rooting medium works best. Follow directions on the package
Here are some sites to get you started!
If they are already planted, then don’t water them at night. Water them in the morning, only. Watch out for signs of rust, which is a fungal infection.
When you cut them cut them back to a Bud point, not a flower bud, but a growth bud.
In the winter, I would cut them back to about no larger than 12 inches tall and mulch around the base.