Slime Mold Recurrence in MA: Harmless, Blast With Water

Same as TN Case

Yellow mounds on mulch, black powder (spores) on flowers after hosing. New mounds appearing.

Action

• Blast with hose immediately when seen—before spores mature.
• Don't worry about spreading spores. Few germinate; just blast new ones too.
• Common on new mulch. Decomposing wood fuels it.

No Chemicals Needed

Harmless to plants. Cosmetic only.