How can you propagate a rose bush?
How Can You Propagate a Rose Bush?
Certified GKH Gardening Expert
Those articles will help, but also I wish to add, do not get frustrated if it take a while to get the hang of doing this. Some roses are easier to propagate than others and things have to be just right to get them to take off well. Then getting a strong and hardy rose of your own can take time as well.