Chelated Iron (Concentrated Iron Fertilizer)

$ 119.80 + FREE SHIPPING

Product Details

This nourishing liquid mineral supplement provides a form of iron required to prevent or cure iron chlorosis in turf, ornamental shrubs and trees. This versatile concentrate is easily absorbed and can be applied or injected into the soil, or sprayed directly onto foliage.

For Use On:

  • Trees
  • Turf
  • Athletic fields
  • Golf courses


  • Reverses or reduces the pale green or yellow discoloration associated with chlorosis.
  • Provides iron in a form that is immediately available to vegetation.
  • Remains in the soil for extended feeding.
  • Compatible with tanks mixes of most fertilizers, insecticides, fungicides and penetrating aids.


  • Turf: Dilute 5-10 gals with sufficient water to cover 1 acre, or 8 oz with sufficient water to cover 1000 square ft.
  • Trees & shrubs: For root feeding, use 4 oz per inch of trunk diameter diluted with 5 to 10 gals of water.

If an adequate amount of iron is not available to plants, iron deficiency (iron chlorosis) will result. This condition may be recognized by the nature of deficiency symptoms. The symptoms of iron deficiency appear on the youngest, newest leaves. The area between the leaf veins becomes pale yellow or white (this is called interveinal chlorosis). No noticeable physical deformity occurs, but in severe cases the youngest leaves may be entirely white and stunted. Note that it may be difficult to distinguish iron deficiency symptoms from those of other nutrients, particularly zinc, on some plants.

Susceptibility to iron deficiency varies greatly between plants. Desert plants are less susceptible to iron deficiency because they have mechanisms that enable them to solubilize and absorb iron from high pH soils. Plants from regions with acidic soils do not have this ability. Most humid tropical and subtropical regions fall into this category and therefore many of the ornamental and crop plants we have imported from these areas are susceptible to iron deficiency. Examples include citrus, rose, gardenia, crepe myrtle, and many others. Members of the Ericaceae or Heath family such as azaleas, rhododendrons, and blueberries are extremely susceptible to iron deficiency.

There are several methods for correcting iron deficiency once it is identified. Chelated iron fertilizers, in which the iron is combined with a chemical called a chelate that helps keep the iron in a plant available form, are most appropriate for application to the soil. Treatment may have to be repeated approximately monthly during the growing season. Frequency will depend on soil and plant properties, and is best gauged by observing plant performance.

The chelated iron discussed above is man-made. Natural chelates can be found in soil organic matter. Practices that increase levels of soil organic matter, such as adding manure to soil, can help maintain iron in a plant-available state.

Product Label
Technical Data Sheet

Part# 133

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