Hi All, I need help to revive my lemon tree. I live in London and have a potted lemon tree indoors. This is its first winter in my flat. The flat has huge windows and the tree gets light (when there is any). Symptoms: Falling leaves. Drooping leaves. Few leaves have black edges. Fine white web formation at join of stem and branch. I water the tree about once a week. I used miracle gro in the summer, but the new leaves seemed to be much larger than the old ones and also a lighter green that has not darkened even 4-6 months later. So I haven't used any sort of fertilizer for a while now. I am providing a link for the photos: https://picasaweb.google.com/minette.dlima/LemonTree?authkey=Gv1sRgCN7JiJOqlpj85QE&feat=directlink Questions: Is there a pest infestation? Is it root rot? Too much water? Not enough water? Needs fertilizer? Please help. It breaks my heart to see the leaves on the floor everyday. Thanks. Minette
The droopiness in the leaves is likely caused by a combination of mite activity and a lack of moisture in the soil which appears to be clay-like and compacted. Such a medium does not allow for proper drainage and root aeration. One that is porous, possibly consisting of bark chips, peat moss, and perlite, would be a much better choice. The tree should also be fertilized on a regular basis. Choose a fertilizer that approximates a 5-1-3 ratio and contains micronutrients. Water not on a schedule but as needed which means allowing the medium to dry somewhat between applications.
