Thank you both so much for your speedy replies. I will do as you suggest straight away and then keep my fingers crossed!

Urgent help needed to save dying (?) Cordyline Australis tree. We bought a house one year ago which had two large coryline australis trees. One of the trees looked in poor shape, with half of its branches just bald stumps. Now, a year on, it looks to me, entirely dead (picture A). The second Cordyli...