Can You Stop Sweet Gum Balls? Hormone Treatments and Reality

No Proven Hormone for Sweet Gum

While growth regulators like ethephon reduce fruit in olives and some orchard trees, none are registered or effective for sweet gum (Liquidambar styraciflua). The spiky "button balls" are a genetic trait of the species.

Management Options

• Accept the mess: Rake or blow balls regularly; they make good mulch in natural areas.
• Plant male cultivars: 'Rotundiloba' is fruitless but harder to find and less cold-hardy.
• Replace the tree: If the nuisance outweighs the shade and fall color, choose a clean alternative (e.g., maple, oak, tupelo).

Wildlife Value

Sweet gum seeds feed goldfinches, squirrels, and other wildlife. The tree supports numerous moth and butterfly larvae.