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Being evergreens doesn’t make lemon trees immune to seasonal leaf drop. Unlike deciduous trees that lose their leaves in fall, however, lemons typically shed theirs in late winter or early spring. Why? Because that’s when warming temperatures and increasing daylight hours where they grow in USDA plant hardiness zones 9 through 11 tell their new leaves to emerge!
So, as long as you see that replacements are on the way for the leaves Estimated Reading Time: 2 mins. Mar 17, The leaves of lemon trees can droop when introduced to hot or cold temperatures, or a change in light. You might also find that it is the young leaves or new growth are especially expressive in their drooping.
Often this is not cause for bushnotch.clubted Reading Time: 7 mins. Lemon trees (Citrus limonia) are thorny evergreen citrus trees with narrowly ovate light green leaves and purplish-tinted white flowers. While some leaf drop during winter and early spring is normal, there are several reasons for heavy leaf drop on lemon trees, including improper care, disease and bushnotch.clubg: Sanger TX. Sep 13, A: Citrus tend naturally to drop some leaves during blossoming and fruit formation, but the tree should not drop the majority of its leaves during this time.

Some common causes of leaf drop Estimated Reading Time: 3 mins.