This has made all the difference with my citrus.
Feb 02, The shock of cold weather, which for lemon trees is generally around and below 30 degrees Fahrenheit, can commonly cause a blooming lemon tree to suddenly drop its blossoms. If temperatures are recovered quickly, the tree will recover and soon begin to bloom again.
However, prolonged cold exposure can cause leaf drop, wood damage, and even bushmulch.clubted Reading Time: 8 mins. Dec 10, If you experience a long period of high temperatures, coupled with heavy rains, you citrus trees may develop citrus canker. While it usually does not cause the tree to drop its fruit, if the. It blooms and fruits during both"seasons" and both times they drop. It usually produces about 20+ fruit.
I have some idea's as to why this happens but not sure. I am thinking that the fruits drop because it's not fertilized so it doesn't have the nutrients to support them. Apr 22, A number of pests may also be responsible for lemon tree leaf drop.
Asian citrus psyllid produces honeydew, which leads to sooty mold as well as causing damage and leaf drop due to the feeding on of the young citrus leaves. Oil sprays can control this pest when applied frequently. Citrus leaf miners are also an intrepid pest assailing lemon tree leaves.
Barely noticeable to the naked eye, leaf.