Lantana Plant Leaves Turning Brown

You should treat this disease with a fungicide that contains fenhexamid or chlorothalonil.

Lantana plant leaves turning brown. You have an infestation of lantana lace bug. These spots spread quickly from leaf to leaf by water and insects so treat the infection as soon as you notice it to prevent the spots from infecting the entire plant. Plant the lantana in flowerbeds or as border plants around the garden. Browning usually occurs on the old leaves first.

Lace bugs feed on the leaves causing the leaves to become yellow and develop brown margins or become a mottled gray and brown. Phosphorus deficient plants may develop dead patches along leaf margins. At least once a month water deeply enough to leach or push salts well below the root zone. With consistent application and clean bursts of water the plant should return to its robust.

If you cover the crown of the. Lace bugs are a serious pest problem for lantanas. Lantana plants that have wet roots all of the time will end up experiencing the onset of diseases and pests. When planting gently coax the roots out of the transplant pot and place them in a prepared hole.

When leaves brown around the edges in the desert the problem is often salt burn. If your lantana has botrytis blight you ll see wet brown spots on the leaves that soon get covered over by gray mold. While lantana plants can grow in many conditions including near drought and thick soil they are susceptible to black or brown leaf spots caused by fungus or bacteria. The leaves should be washed clean and sprayed with horticultural soap to deter these flying pests.

The plants were full of blooms but now lots of leaves are turning a grayish brown and crispy. A calcium deficiency can cause the tips of lantana leaves to turn brown then black as well as leaf curling or distortion. Common causes of lantana plant wilting pests. This is common in our area with low rainfall alkaline soil and water high in salts.

These small insects roost on the backside of leaves and suck sap from them. They leave a sticky substance called honeydew which promotes the formation of sooty mold on leaves. Cover the roots with soil but make sure you don t cover the crown of the plant. Whiteflies are common pests on lantana.

If the plant s leaves are sticky or have blackish gray fungal growth on them this could be the cause of wilting. Treat lace bugs with a mild pesticide spray and follow all directions on the package. Phosphorus deficient plants may develop dead patches along leaf margins and older leaves on phosphorus deficient plants develop a purple tinge. A calcium deficiency can cause the tips of lantana leaves to turn brown then black as well as leaf curling or distortion.

Pinch off severely damaged leaves to prevent them from hosting diseases. The leaves look peppered on the underside. This excess salt accumulates in the leaf edges where it kills the tissue and the leaf dries out and turns brown. It s important to water deeply slowly and usually infrequently.