If it were planted by humans, it definitely wouldn't be on these mountains with wild spirit beasts.
Apart from soil issues, there are also other factors such as temperature, the timing for fertilization, and balancing tree vigor that needs human attention.
There's also the technique of "topping" to promote branching and flowering.
The Tree berries mainly seek to spread their branches and leaves widely, as berries produced this way are more abundant and easier to pick.
"Topping" is done to achieve this goal.
It involves suppressing the growth at the tree's top to redirect nutrients to other branches, promoting sprouting elsewhere, thus ensuring ideal berry growth.
Ordinary berry trees require attention to so many details, and berry trees that contain energy need even more careful cultivation.
They wouldn't be planted so casually on mountains where anyone can come and go