Hi Becky, good to see you here in the Sempervivum Forum.
5.)
@webesemps could give you advice on which ones might be best in the frames. Goldfinch4 (Chris) has done a number of the wreathes, she would have great suggestions on which ones might do best for that project.
Let me get back to you on the other questions. I have to make a trip to town. Be back soon.