Why does your Brassica Songbird F1 Round Pink have sticky leaves? Diagnose the cause and fix it with our step-by-step guide.
Aphids are common pests for Brassicas that suck sap from the tender leaves, excreting a sugary substance called honeydew. This honeydew creates the characteristic sticky residue on the leaf surfaces.
Scale insects attach themselves to the stems and leaves of ornamental kale and secrete honeydew as they feed on plant fluids. Unlike aphids, these pests often look like small, stationary bumps or bumps on the plant surface.
Whiteflies feed on the underside of Brassica leaves, leaving behind sticky honeydew that can eventually lead to sooty mold growth. They are often seen as a small cloud of white insects when the plant is disturbed.
While not the primary cause of stickiness, sooty mold is a black fungus that grows specifically on the honeydew left by insects. It covers the leaves in a dark, powdery film which can reduce photosynthesis in your kale.
Your plant might also be experiencing one of these issues:
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