Your mangroves look great! Brackish or full salinity? Do you have much flow in there?That little branch is now 21 inches and a major branch come off of the main trunk. It is bout 1/3 inches thick.
Spring also bring on a batch of flowers. I was not able to get seed last year due to the plant needs a specific pollinator. I have not read closely into this to see if I can acts as the pollinator
I always baby this plant, now it come to the point that I must prune it to keep it manageable.