Banana shrub

Question

Hi my banana shrub is about 18yrs old. Well established but this year a lot of leaves are turning brown and several limbs are drying out. No sign for bugs. Any ideas why it is turning brown?

Answer 1

The banana shrub is sensitive to salt buildup in soil, something that can cause brown leaves in many plants but especially this one:
https://www.gardeningknowhow.com/plant-problems/environmental/what-causes-brown-edges-on-leaves-of-plant.htm

If you think salt may be the problem, here's what to do:
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/reversing-soil-salinity.htm