Where can I get a cherry blossom tree during January?
Join an on line seed/plant swap. I am sure there are people that may have what you want, and would be willing to trade for some other seeds or plants you may have. I don’t know what your growing zone is, but possibly there is some one in your state you can trade with. I have trades with many people both plants and seeds on line. The plants have came through the shipping well. This applies if you live in a warm zone. Some trees handle both warm and winter conditions well. If you are in winter like conditions you may have to wait it out. Or have some one ship you one from a warm zone and grow your tree as bonsai until you can plant out side.