Premature leaf drop and dieback of twigs and terminal leaves in a young sweetgum, Liquidambar styraciflua, due to a severe iron deficiency.

Various soil conditions are usually responsible for making iron unavailable to plants, including a soil pH above 7.0 and cold, wet, or poorly drained soils. Credit: Pamela M. Geisel, UCCE Fresno
Credit: Pamela M. Geisel, UCCE Fresno