How can you kill a sweetgum plant?

Roundup will also kill sweet gum trees.

Make 2 to 3 1/4 inch holes around the trunk. Fill them with roundup. The sapling will begin to die at the top, and then continue to the roots. They rot much faster once they are dead than normal. It works well on large sweetgum tree.

How do you remove a stump from a gum tree? Start by drilling holes at least 8 inches in depth across the stump. Fill the holes with Epsom salts, rock salts, and seal them with melted candle wax.

Also asked, do sweetgum trees have deep roots?

Trees should be planted 8-10 feet from curbs. Some communities have large amounts of Sweetgum that are planted as street tree. Although the root system is often shallow, especially in its moist habitat, there are deep roots beneath the trunk in well-drained soils.

How long can a sweetgum tree survive?

150 years