Jackfruit tree is growing very fast but only vertically. What should I do?

Question

The tree is about 1-1/2 to 2 years old. It’s probably 8ft tall and 1 1/2 inches at the base. It isn’t putting out any horizontal limbs at all – only leaves.

Answer 1

Here are month to month instructions for its care. If you are not fertilizing, here are exact instructions when and with what to fertilize, which may get growth going.

https://edis.ifas.ufl.edu/pdffiles/MG/MG37000.pdf
https://www.gardeningknowhow.com/edible/fruits/jackfruit-trees/growing-jackfruit-trees.htm