Caring for roses in the summer month of July

As unpredictable as the weather has been lately, one thing we can plan historically is periods of intense heat in coming months. We had some samplings in recent weeks. We experienced temperatures in the 90s, pushing 100 in June.

As summer brings drier, hotter temperatures, roses will struggle to maintain hydration. This year, we have an added obstacle: severe water use restrictions due to a fourth year drought in California. It seems to me there has been more wind adding to the problem. I've noticed that my vegetable garden dries out quickly requiring added water. (It is not easy to mulch vege...