Forest composition trees should be thought of in terms of triangle arrangements made up of interior triangle arrangements. Trees should also be placed close to one another and at mostly similar angles. The trees are spaced too evenly here, with regular spacing mostly separating them, as well as having apices that have no cohesive direction, they're all over the place. Forests typically don't have trees that point in all directions. Typically their environment determines the overall direction of growth...
Forests can be thought of as a single tree, or sets of groups of trees, with many trunks...and pruned accordingly. Choose a primary (larger trunk) tree or two (there are two thicker trunks in your forest), work with them first, placing secondary and tertiary trees in rough triangular arrangements.
A larger pot might help, but if you shorten the trees by a third (the lesser trunks by two thirds) and place them closer together in two cohesive groups
(or one, using the biggest as the focal point and using smaller trees receding away from it), this one can work. FWIW, sometimes you have to prune roots severely to get that closeness and effective nebari placement. The time to do that is at next years repotting.
Take a look through these and see how
trunks are placed closely together, and branches developed with an overall silhouette.
Truth is, this tree really needs no introduction, especially not from the likes of someone such as myself. Goshin is quite literally the most well-recognized Bo...
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