Lantana Plant Leaves Turning Brown

They leave a sticky substance called honeydew which promotes the formation of sooty mold on leaves.

Lantana plant leaves turning brown. The plants were full of blooms but now lots of leaves are turning a grayish brown and crispy. 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. It s important to water deeply slowly and usually infrequently. These small insects roost on the backside of leaves and suck sap from them.

Powdery mildew leaves a white powdery coating of fungal spores on lantana leaves. Plant the lantana in flowerbeds or as border plants around the garden. With consistent application and clean bursts of water the plant should return to its robust. You have an infestation of lantana lace bug.

Treat lace bugs with a mild pesticide spray and follow all directions on the package. Lace bugs are a serious pest problem for lantanas. When leaves brown around the edges in the desert the problem is often salt burn. Lace bugs feed on the leaves causing the leaves to become yellow and develop brown margins or become a mottled gray and brown.

A calcium deficiency can cause the tips of lantana leaves to turn brown then black as well as leaf curling or distortion. Serious infestations lead to premature defoliation of the lantanas which stunts the plants growth and may prevent the flowers from blooming. Browning usually occurs on the old leaves first. The leaves look peppered on the underside.

If the plant s leaves are sticky or have blackish gray fungal growth on them this could be the cause of wilting. At least once a month water deeply enough to leach or push salts well below the root zone. This excess salt accumulates in the leaf edges where it kills the tissue and the leaf dries out and turns brown. When planting gently coax the roots out of the transplant pot and place them in a prepared hole.

You should treat this disease with a fungicide that contains fenhexamid or chlorothalonil. This is common in our area with low rainfall alkaline soil and water high in salts. Phosphorus deficient plants may develop dead patches along leaf margins and older leaves on phosphorus deficient plants develop a purple tinge. Cover the roots with soil but make sure you don t cover the crown of the plant.

Phosphorus deficient plants may develop dead patches along leaf margins. Whiteflies are common pests on lantana. If you cover the crown of the. Pinch off severely damaged leaves to prevent them from hosting diseases.

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. The moldy spots can range in color from yellow to purple and affect entire leaves and can also appear on other. If your lantana has botrytis blight you ll see wet brown spots on the leaves that soon get covered over by gray mold.