Here are questions related to Preventing a Sweetgum Tree From Making Balls.
What is the capsule called you put in the drilled holes so they don't produce sweet gum balls or fruit?
How can I prevent sugar gum tree balls?
By Bob from Magnolia, TX
About the only thing I can think of is to remove the tree. You could call your ag. extension service, but I don't know that you can prevent an existing flowering plant from making seeds. There may or may not be varieties that do not make the balls, but what you have is what you've got right now.
How do I get rid of gumballs?
Hardiness Zone: 6a
By Linda from IL
By Carla Jean P.03/18/2013
I have a whole big pile of sweet gumballs inback of my shed here in Springfield, Missouri. Anyone that wants them is welcome to them. Just email me and I will tell you where I live. cjpage1954 AT gmail.com
How can I keep my sweet gums from making balls?
By Wyatt from Sallisaw, OK
Seriously? You navigate the frozen tundra your driveway has become for nearly 3 weeks, then nearly bust your butt on a spiney ball!
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