![]() Text or call our office at 80 if you think your tree has an iron problem one of our certified arborists can evaluate your plants and make recommendations for treatment.Sugar maples are one of the most commonly found trees in the entire North American subcontinent.Īccording to FDA reports for 2022, Wisconsin produced approximately 440,000 gallons of maple syrup, which means that the state also has a vibrant population of sugar maple trees.īut do you know that Wisconsin is also home to three other maple varieties? Iron chlorosis treatments are difficult to do properly they require careful training and a practiced hand, so only trust qualified experts like Stewart’s arborists to do them properly. We may also do this for trees that are located in parking strips and other areas where the roots are inaccessible. In these cases, we bypass the root system altogether and inject iron directly into the trunk. Spring and fall treatments provide a full year of nutrition for most plants.įor plants with severe iron chlorosis, deep root fertilizer treatments will not be enough to help the tree recover. Stewart’s deep root fertilizer treatments saturate the soil around your plants with chelated iron and other nutrients, providing an easy food source for your plants to absorb. Instead of surface-level iron fertilizers, Stewart’s uses a specific type of “smart iron” called chelated iron that is specially formulated to work in high PH soil without solidifying. This type of iron may be beneficial for plants in other states, but not in Utah. In this case, more iron just means more solid food in the soil that your plants can’t absorb. Keep in mind that most iron fertilizers in Utah’s stores won’t fix the problem. If the tree is in the late stages of iron chlorosis, it should be treated with injections of iron directly into the tree trunk. Trees develop iron chlorosis because they are not receiving iron from the soil, so in the early stages of iron chlorosis, soil treatments are recommended. Treating Iron Chlorosis Iron Chlorosis Before and After Treatmentįortunately, iron chlorosis is treatable. The roots have to compete with the heat radiating from the paved surfaces and the general lack of nutrients beneath roads. Trees in parking strips are especially susceptible to iron deficiencies because of their position between the sidewalk and the road. Some trees in the early stages of iron chlorosis have evenly dispersed, yellow-green leaves with brown, shriveled leaf edges. Often, trees affected by iron chlorosis still have green, healthy-looking sections along with the defoliated parts. Without treatment, the problem will progress to the point where the tree begins to lose limbs, and eventually, the entire plant may die. If the leaves remain deprived of chlorophyll, they eventually die and fall off the tree. In their weakened state, leaves may scorch in the summer heat, which curls and browns the edges. ![]() Early Stage Iron ChlorosisĮventually, the leaves will weaken and turn yellow. This is evidence of a lack of chlorophyll, the green pigment essential in photosynthesis. Early stages of iron chlorosis turn tree leaves light green with visible, dark green veins. Iron chlorosis is especially detrimental to Autumn Fantasy and Autumn Blaze Maple trees. ![]() In order to thrive, trees need their iron in a form that is easy to absorb. So, why do some tree roots struggle to soak it up? The answer is simple: Utah’s clay-like soil is alkaline (a pH level of 7 or higher), so chemical reactions in the soil cause the iron to harden, making it inaccessible to tree roots. This problem is common in Utah and develops when trees struggle to bring in essential nutrients from the soil. Iron chlorosis is a deficiency of the nutrient iron in trees-it’s kind of like having an anemic tree. Severe Iron Chlorosis Iron Chlorosis: Defined If your tree’s leaves are turning yellow or falling off prematurely, your tree might have iron chlorosis. ![]() Temperatures in August haven’t turned much cooler, yet some trees may look like fall is already here. ![]()
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