Troubleshooting
Lemon tree problems — and how to fix them
Lemon tree (Citrus limon) is generally forgiving once you match its basics, but a few issues come up again and again. Here is what each one looks like, why it happens, and the fix.
Leaf drop after a move
Citrus dislikes sudden change in light or temperature; allow 3-4 weeks to acclimate.
Yellow leaves
Magnesium or iron deficiency, or overwatering.
Flower drop
Stress from under-watering, temperature swings, or dry air.
Scale insects
Sticky residue on leaves; treat with horticultural oil.
Spider mites
Dry indoor air; rinse and raise humidity.
Prevent lemon tree problems before they start
Most lemon tree issues are care-mismatch, not bad luck. Dial in the basics:
Lemon tree problems — FAQ
Why is my lemon tree leaf drop after a move?
Citrus dislikes sudden change in light or temperature; allow 3-4 weeks to acclimate.
Why is my lemon tree yellow leaves?
Magnesium or iron deficiency, or overwatering.
Why is my lemon tree flower drop?
Stress from under-watering, temperature swings, or dry air.
Why is my lemon tree scale insects?
Sticky residue on leaves; treat with horticultural oil.
Why is my lemon tree spider mites?
Dry indoor air; rinse and raise humidity.