If the leaves of your trees or shrubs are turning pale green, yellow, or white, but have much darker green veins, they may be experiencing iron chlorosis. Iron is a necessary element for the development of chlorophyll. Chlorophyll is what gives leaves their green color and is the source for the plant’s food and energy. When iron is insufficient for normal growth, yellowing leaves may occur. These symptoms may appear over the entire tree, on one side only, or be limited to an individual branch. Iron chlorosis is common in pin oak, white oak, silver maple, crabapple, white pine, magnolia, holly, sweet gum, dogwood, azalea and rhododendron. Continue reading →
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