Why does your Mentha spicata have sticky leaves? Diagnose the cause and fix it with our step-by-step guide.
Pet FriendlyAphids are sap-sucking insects that inject saliva into the mint's tender stems and leaves; as they feed, they excrete a sugary substance known as honeydew.
Scale insects attach themselves to the mint stems and pierce the plant tissue to feed on sap, leaving behind a sticky residue as they process nutrients.
These pests produce honeydew and are often accompanied by a white, cottony waxy coating on the leaf axils of the mint plant.
Whiteflies congregate on the underside of mint leaves and excrete large amounts of honeydew, which can lead to secondary growth of sooty mold.
Your plant might also be experiencing one of these issues:
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