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Bring ground cover roses, they will reach out and grow well. I would leave a good three feet clearance between plantings. They may still meet up with on another but should do so in a beautiful manner as her growth habit is listed as 3 feet. Enjoy!

Yes it is. You will need a spot with good sunshine or perhaps a grow light over them. Many mini-roses do well in pots. https://www.gardeningknowhow.com/ornamental/flowers/roses/miniature-roses-containers.htm

It sounds like you have a night feeding beetle problem. Some beetles have long snouts that they use to poke into leaves/foliage of rosebushes and suck the juices out. I recommend either spraying all the rosebushes with a good insecticide or giving them a treatment or two of Bayer Tree & Shrub as per the label instructions. The Bayer also gives them some fertilizer to help deal with the stresses the bush may be going through due to the insects attack upon it.

The spots you describe could be a fungus attacking the foliage or could be insect damage if the spots are actually little holes or skeletonized areas on the leaves. It does not sound like a water on foliage related problem. I would recommend spraying them with an earth friendly fungicide such as one named Green Cure, mixed at the Cure Rate listed on the label. If the spots continue to appear, then a good insecticide application may be in order. If you see tiny webs on or around the foliage, it could be a spider mite problem which will require the application of a miticide as insecticides will not kill them.

The virus that caused the witches broom should not cause any harm to the Azelias or any other plants. You could also replant a rosebush there if you change out the soils in the area removing all the root material you can.

Hello Sally. Here is a link to an article I wrote on this subject that should be of help to you: https://www.gardeningknowhow.com/ornamental/flowers/roses/no-blooms-on-roses.htm