About once per week, when you notice your lemon tree has several.

Mar 29, Insects are another cause for premature fruit drop. For smaller trees, a strong water stream from a hose can dislodge insects from the tree.

Sudden changes in temperature, mainly when high temperatures occur at or shortly after fruit set, can cause fruit drop.

Larger trees may need insecticidal soaps or oil sprays to control adult insects. Correct pruning can also effect the production of shrubhauling.barted Reading Time: 2 mins. Apr 24, Unless premature fruit drop is excessive, though, these drops are not a cause for concern. In several cases, the Lemon tree fruit drop is due to environmental factors that you can’t control.

Sudden changes in temperature and heavy rains can cause premature fruit shrubhauling.barted Reading Time: 9 mins.

Apr 22, Depletions of nitrogen, magnesium, iron, zinc, and manganese may all play a hand in causing lemon tree leaf drop as well as reduction in size and general production of fruit. To maintain healthy trees, fertilize citrus every six weeks when the tree is under seven years old with a good citrus fertilizer - not fertilizer tree spikes.

Feb 02, Exposure to cold is a common reason for lemon trees to lose their blossoms without bearing fruit. Lemon trees do not tolerate much cold, and Estimated Reading Time: 8 mins.

Tucson Landscape Maintenance company, Landtamers Landscaping offers an Arbor division to help clients maintain healthy trees as part of their landscape maintenance program.

Dec 10, Pests may cause your citrus trees to lose their fruit. Mites and thrips are known pest causes of losing fruit. Insecticides may be needed, depending on the type of.