Australian and New Zealand Gardening: Advice on Giant Bird of Paradise, 3 by petesyard

petesyard wrote:
Hi folks -
I have these 2 trees amongst 5 giant bird of paradise in my backyard.
These 2 trees in the back are pretty brown and dry (the stem is), looking for advices on how to best treat them? Are these 2 trees dead (should I cut them off) or prune the leaves and fertilise and feed again.
Also, what is the best way to fertilise these trees? I bought the Organic fertiliser but looking for how to fertilise them.
Thank you
Pete