![]() Should we use a certain weed n feed on the lawn around it? You can get much more detail and benefits/downsides of each of these and other treatment options at Yes - iron injections into the trunk (tree service), drill holes into trunk and "implant" iron capsules or iron citrate (tree service), use of iron sucrate or chelated iron products in the soil, spraying leaves with iron compounds (messy, stains sidewalks, more difficult as trees grow). Note that your front yard tree is more yellow on the side where roots are nearer concrete (alkaline) and where soils are compacted, which exacerbates iron chlorosis.ฤก) Is there ANYTHING we can do to help this beautiful tree survive/get better? ![]() Your maples are not taking up enough iron to make chlorophyll, so leaves yellow and the tree declines (like your backyard maple) because it isn't making enough photosynthetic foods for itself. Plants must have iron to manufacture chlorophyll, the green, photosynthetically active pigment in leaves. In local alkaline (high pH), high-lime soils there may be plenty of iron but it in a form not usable by some plants. Iron chlorosis (the "plant equivalent" of anemia) is the result when a plant cannot take up sufficient iron from the soil. ![]() It is now proving to be just as prone to iron chlorosis as silver or red maple is locally. 25 years ago it was thought that 'Autumn Blaze', a hybrid of silver maple and red maple, would be a good replacement tree for silver maple, which often develops iron chlorosis in our alkaline, high-lime soils.
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