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Transplanting is not recommended for young plants, so you may want to consider that. Also, it would have been best to have a year’s lead time on the move. That way you could do root pruning to create a root ball, cutting off roots with a shovel in a circle around the plant. Then, after digging up, tie the root ball together for the move for best success. Azaleas should be transplanted in early spring or fall if the weather is mild, while the plant is dormant, but the ground is not yet frozen.