Why does your Brassica oleracea acephala f.tricolor have sticky leaves? Diagnose the cause and fix it with our step-by-step guide.
Pet FriendlyAphids are common pests on ornamental kale that suck sap from the tender leaves, excreting a sugary substance known as honeydew. This honeydew is the primary cause of the sticky residue found on the leaf surfaces.
Scale insects attach themselves to the stems and leaves of Brassica species to feed on sap, leaving behind sticky honeydew as a byproduct. They are often harder to see than aphids because they resemble small bumps or bumps on the plant surface.
Whiteflies congregate on the undersides of kale leaves and excrete honeydew, which can cause a sticky film. A sudden cloud of tiny white insects may emerge when the plant is disturbed.
Your plant might also be experiencing one of these issues: