What Is Wrong with My Petunias

Petunia wilting problems can also be a sign of insect or fungal issues: Aphids, budworms, and slugs like to eat petunias, opening up sores in the leaves that allow disease in. … Certain diseases like white mold, gray mold, black root rot, and verticillium wilt can all lead to wilting leaves.

What do petunias look like when they are overwatered?

1 – Petunias Look Wilted Despite Soil Being Wet The most common sign that you’re overwatering your petunias is wilting. Typically, you’d expect to see a plant start wilting when you haven’t been watering it enough, but when your plant is wilting despite the soil being wet, it’s obvious that you’re overwatering it.

Why are the leaves of my petunias turning brown?

Brown leaves. This is most likely from the plant drying out in between waterings, although splashing of the foliage with water can also cause such browning. … In general, water such containers well in the morning, tucking the hose or can just over the rim so that the water runs into the pot but not on the leaves.