Why does your Rosa Mini Cherry Ricco Amorina have sticky leaves? Diagnose the cause and fix it with our step-by-step guide.
Aphids are small, soft-bodied insects that pierce the tender new growth of miniature roses to suck sap, excreting a sugary substance known as honeydew. This honeydew creates the characteristic sticky residue on the leaves and stems.
Scale insects attach themselves to the stems and leaves of 'Cherry Ricco Amorina', feeding on plant fluids and producing honeydew as a byproduct. Because they are stationary, they can be harder to spot than aphids.
These pests produce a sticky honeydew while feeding on the rose's nutrient reserves. They are often accompanied by a white, cottony substance found in the crevices of the plant.
While not a direct cause of stickiness, sooty mold is a black fungus that grows specifically on the layer of honeydew left by sucking insects. This can make the leaves appear dark, dirty, and coated in a film.
Your plant might also be experiencing one of these issues: