Iron Chlorosis

Iron deficiency causes new foliage to be undersized and pale.  Fading appears first around leaf margins, then spreads inward until only the veins are green.  Brown spots between leaf veins can also develop and leaves may later dry and drop prematurely.  Iron is present in most soils; however, if the soil is alkaline iron is less available.  The plants are unable to absorb iron under these conditions.  Different methods are used to correct this deficiency depending on plant type and size.