I picked a camellia flower and put rooting solution on it and planted it; and to my amazement it took root. The next year the tiny thing was only 4 inches tall, but had another flower on it, 3 inches tall. I love it and think it may need a larger pot. It now has a beautiful flower on it and is about 3 feet tall. It is not very bushy, just tall. How do I safely put it into a larger pot? I am afraid to plant it in my yard, since I cover it when it freezes. I live in Atlanta.