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Top Questions About Oak Trees

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Questions About Oak Trees

  • Answered by
    Alisma on
    November 17, 2016
    Certified Expert
    A.

    I think this is actually an oak tree, and that what appear to be fruit are actually galls, or abnoral growths caused by an insect infestation. The tree might be a Holm oak. I'm not sure what species, but the galls are probably caused by a wasp which lays its eggs in the tree. Here is an article about them:
    https://entomology.ca.uky.edu/ef408

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  • Answered by
    BXF on
    November 17, 2016
    A.

    Very interesting!

    Having now looked at various online images of galls, I can see that there is quite a similarity between some of those and "mine".

    Thanks very much for solving the mystery.

    Cheers.

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  • Answered by
    Downtoearthdigs on
    January 20, 2017
    A.

    Here is a link with information on growing a Willow Oak.
    https://www.gardeningknowhow.com/ornamental/trees/oak/willow-oak-trees.htm

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  • Answered by
    JeffreyGardener on
    January 20, 2017
    A.

    Willow oaks drop their acorns every two years.

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  • Answered by
    Downtoearthdigs on
    March 9, 2017
    A.

    These links will help you with the timing and with the nutrient needs of Red Oak Trees.

    https://www.bartlett.com/resources/Plant-Health-Care-Recommendations-for-Red-Oak.pdf

    https://www.gardeningknowhow.com/ornamental/trees/oak/red-oak-tree-information.htm

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  • Answered by
    Alisma on
    March 28, 2017
    Certified Expert
    A.

    It's best not to prune pin oaks during the spring, except to remove dead branches. It sounds like your trees' branches are most likely alive, and they will probably produce leaves later on, so the best thing to do is wait and see. They might be late in getting started this spring since they were recently planted.

    If you do suspect that a particular branch is dead, you can use this test to see:
    https://www.gardeningknowhow.com/ornamental/trees/tgen/tree-scratch-test.htm

    http://web.extension.illinois.edu/askextension/thisQuestion.cfm?ThreadID=12020

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  • Answered by
    Downtoearthdigs on
    May 2, 2017
    A.

    You would need to plant out the seedling, though you could place it into a nursery pot for temporary growing.

    https://www.gardeningknowhow.com/ornamental/trees/oak/how-to-grow-an-oak-tree.htm

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  • Answered by
    biz on
    May 17, 2017
    A.

    I've seen that filling with hole with some expanding foam, like I'd use for a hole in the wall of my home, would that be beneficial for my concern?

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  • Answered by
    Downtoearthdigs on
    May 17, 2017
    A.

    This article will help you.

    https://www.gardeningknowhow.com/ornamental/trees/tgen/patching-tree-hole.htm

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  • Answered by
    Downtoearthdigs on
    June 11, 2017
    A.

    This is a Gypsum based product and is recommended you apply to lawns and garden beds and light dig in. You may want to use this to amend your clay soil, but it is not a mulch.

    There are many types of mulch to use under trees.

    https://www.gardeningknowhow.com/garden-how-to/mulch/bark-mulch-in-gardens.htm

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