If you prune the top the roots will still continue to grow.* It's like giving a haircut to an adolescent who still continues to grow their hair and bones.* :)* In your zone the best time to move them would be in the fall just after leaf drop.* They will be dormant then.* If you are serious about roses, the old fashioned ones are the most carefree.* I can try and help you with that.* Consider the sun tolerant varieties of Camellia with their shallow roots, if you can find one.* This site has some recommendations for Florida.*
Northern Florida has hardiness zones 8 and 9.
Here's more camellia info.* For this first site most of what will be useful for you is in the first half.
A wealth of Camellia info and this nursery is in NC.* They have an excellent rating at Garden Watchdog.* They also sell other shrubs, trees and plants and might be able to help you make a selection.* I don't know how close to you they are.* At this time of the year I think you need to make an appointment to go there, especially if it's a weekday.
I can't remember if I gave you this site or not.* You can check references for mail order nurseries, search by state or by plant material.* Hold on to this one.
Found this article on this site about Camellias.* Unfortunately, Roslyn Nursery, listed at the bottom of the article went out of business just a couple of weeks ago.* It was a fantastic nursery and I've ordered from them.* They had great plant material and the service was excellent.* They have retired.* :(
Here's some info on the rugosa roses.
When weeding, the best way to make sure you are removing a weed and not a valuable plant is to pull on it. If it comes out of the ground easily, it is a valuable plant.