Why does your Philodendron hederaceum have fine webbing? Diagnose the cause and fix it with our step-by-step guide.
The presence of fine webbing is a classic diagnostic sign of a spider mite infestation. These microscopic arachnids feed on the sap of the Philodendron leaves, causing stippling and eventual leaf drop.
While webbing is almost always biological, extremely dry air can cause the plant's silk-producing pests to thrive or make the leaf surface more susceptible to damage. Philodendrons prefer humidity levels above 50%.
Your plant might also be experiencing one of these issues: