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Top Questions About Sweetgum Trees

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Questions About Sweetgum Trees

  • Answered by
    GKH_Susan on
    May 26, 2020
    Certified Expert
    A.

    When lichens and moss are found growing prolifically on a plant that also has lots of dead twigs and branches and that produces few, undersized or off color leaves, it is usually a sign that something serious is wrong. In most cases, the tree's problem is in its root system.
    I would suggest you have a qualified arborist in to examine the tree or your local cooperative extension agent.

    https://www.gardeningknowhow.com/ornamental/trees/tgen/tree-leafing-problems.htm

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  • Answered by
    GKH_Susan on
    May 24, 2021
    Certified Expert
    A.

    If the mulch is excessively deep, more than 3 or 4 inches, it can smother the roots. Sweetgum trees usually drop seed balls heavily in alternating years.

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  • Answered by
    GKH_Susan on
    July 6, 2022
    Certified Expert
    A.

    I suggest getting a soil test done to see what might be lacking in the soil. Then you will know what to treat it with. The other plants don't seem to be thriving either.

    You can see some of the leaves are yellow with green veins. That indicates chlorosis, or an iron deficiency.

    Brown edges on leaves usually means a moisture problem - too much or too little.

    I hope you got a fruitless sweet gum tree. If you didn't, I would consider replacing it. They drop large amounts of thorny seed balls that are hard to rake (they catch in the tines) and are hard on lawn mowers. When you step on them accidentally, ouch! I had two at my last house and was so glad to leave them behind when we moved.

    I also see yours is planted near a building. Trees should be planted 10 to 15 feet from structures. And sweet gum has shallow roots that can be problematic.

    https://www.gardeningknowhow.com/ornamental/trees/sweetgum/sweetgum-tree-info.htm

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