I am new to bonsai and found a local nursery owner who has a large number of old variegated junipers. They have beautiful trunks and nice curves, but they were crowded in together and have long spindly branches. The issue is that I don't know how hard it will be to get back budding. How long would it take and is it possible to get these full enough to cut them back to a nice size? I have purchased two of them. Are these good bonsai material and should I buy more? Any suggestions on increasing vigor and causing back budding would be greatly appreciated.
Also, are variegated Junipers desirable and how much would these trees be worth in their current state?
I didn't find the right solution from the Internet.