How to revive a dead olive tree Do you have an olive tree that looks spindly with bare branches and peacock spot on the leaves? You can bring it back, this is how. Number one, it needs a really good prune, you might think the best thing is to leave it alone but that’s not going to help. Number two, watering, this is where lots of people go wrong. Yes they’re drought tolerant plants but if you want them to look their best they need a good soaking at least once a week through through the growing s