what next?

Norway Spruce sowed on 12/31/2021. The New Years babies seem to be coming in nicely, but this is where I started to go downhill last time with some root rot. I think I have a good handle on watering appropriately. Let me know if you think otherwise. My question is, what do I do next? Too soon...

I have this Escambron I recently got from Puerto Rico and could use some advice. I like the general shape of the tree, but I think it could be better. My biggest issue is the main lowest branch as it just seems like a jumbled mess with the primary branch being too long and not bendable. Thoughts...