rosa Ragusa roses are an excellent source of rose hips if a person is planning for a source of Vitamin C. Considered an invasive species in many places, quite a few people will protest their introduction in those areas.
Another great thing about them is that they are one of the thorny roses, and are very hardy. They are one component of my favorite living barrier fence, along with thorny blackberry brambles and close spaced honey locust trees. Once established, the living barrier fence is nearly impenetrable to anything much larger than a rabbit, including stock animals and wild animals. Great around garden plots and as part of a defensive landscaping plan.
Just my opinion.