Iron chlorosis

IRON CHLOROSIS
Iron chlorosis is an iron deficiency within plants resulting in yellowing and possible death of plant tissue, usually leaves. Symptoms of iron chlorosis on leaves include dark green veins, but yellow leaf tissue.

Iron chlorosis can turn aspen trees and other plants yellow due to high pH soils (alkaline soil). Though Colorado soils normally contain adequate amounts of iron, a high pH makes that iron unavailable to the plant.

Iron chlorosis in trees
Iron chlorosis is a term describing leaf yellowing (lack of chlorophyll) due to insufficient iron. Iron is a mineral essential for plants to make chlorophyll, in turn needed for photosynthesis.

iron chlorosis
A yellowing of the leaves caused by the plant getting too little iron.
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Iron chlorosis is different from other types of chlorosis; it affects young, new leaves first. Other forms of chlorosis often affect older foliage initially. Leaf color of plants with chlorosis ranges from yellow-green to almost white.

They are difficult to grow in heavy soils, because they are susceptible to root rot and iron chlorosis. They must have adequate drainage.

Indications of underfertilizing include yellowing leaves; iron chlorosis; less, smaller new growth; failure to bloom; and flower bud drop.

Keep an eye out for yellow or pale leaves with green ribs -- a sign of iron chlorosis. Apply chelated iron according to package directions.
Clean up fallen fruit from citrus, peaches, pears, apples, and other fruit trees.
Keep mowing regularly.

If the pH gets too high around these plants, they will show signs of iron chlorosis, just like azaleas. This can be prevented by maintaining an acid pH, or corrected with iron chelate.

Iron deficiency, also called iron chlorosis or lime chlorosis, starts with a yellowing of the leaves in between the dark green veins, resulting in a spidery look. Read on to find out how to diagnose and treat iron deficiency in garden plants.

They produce well on a wide variety of soils as long as drainage is good. Soils with a pH near or above 8.0 can cause serious problems with iron chlorosis.

Spider mites, aphids, mealy bugs and scale.
It can also be susceptible to iron chlorosis (yellowing leaves with dark green veins) which can be corrected by adding chelated iron to the fertilizer when needed.

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This condition usually means the plant needs iron. Yellow leaves and green veins are often the result of iron chlorosis. This is the result of either an iron deficiency or iron unavailable for plant uptake.

See also: Chlorosis, Plant, Soil, Shrub, High