Hello everyone! We've had our lemon tree for about two years now. It initially lost its leaves quickly due to underwatering but bounced back beautifully the next season. However, we soon discovered caterpillars munching on the leaves, which we removed, and we treated the tree with Yates Ready To Use Nature's Way Citrus and Ornamental Spray. Shortly after, we noticed a significant amount of leaf drop, with leaves falling off easily in the wind or when watered. We were watering the tree once a week (or when the soil felt dry). Interestingly, only a few leaves turned yellow before dropping; most remained green and appeared healthy. A few months ago, we noticed many of the branches had turned brown or black and seemed dead, so we pruned them, leaving only the green branches (hence why so many branches are missing in the photo).Currently, the only new growth is at the bottom of the tree (pre pruning as well), but leaves are still dropping despite regular watering. We also use Scott's Osmocote every 6 months. This has been happening for about a year now. Is there any way to revive our tree?
Also, since it's not looking its best and is in a prime spot in the backyard, could we repot this tree and replace it with another one? Any advice would be greatly appreciated!
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