Why do my geranium leaves have spots?
Spots on geranium leaves can be indicative of edema, botrytis, geranium rust, alternaria leaf spot, or just be spots caused by the 4-lined plant bug feeding on your geranium leaves.
How do you get rid of brown spots on geraniums?
Reddish-brown pustules develop on the underside of leaves with yellow areas forming directly over the pustules on the leaf’s surface. The removal of infected leaves and an application of fungicide is the best means of treating a sick geranium afflicted with rust.
Why does my geranium have brown spots?
The leaves also have brown spots. What should I do to prevent this problem? It sounds as though your geraniums are infected with botrytis blight, or gray mold. This fungal disease attacks many plants, especially during cool, wet weather.
What are the black spots on my geranium leaves?
Dark spots on the underside of a leaf surrounded by concentric rings are the rust fungus. Spider mites feeding on leaves can cause a speckled surface. Stem rot shows as a dark spot at ground level or where a branch joins the stem. Any unnatural spot is a sign a plant needs help.
What do Overwatered geraniums look like?
Generally, on overwatered plants, the bottom portions of geraniums have yellow leaves. They may also develop pale looking water spots. If this is the case, you should immediately stop watering and allow the plants to dry out. Remember, geraniums are drought-tolerant plants and they do not like too much water.
What do you spray on geraniums?
Spray your geraniums with insecticidal soap every other day as long as you see signs of pests, covering the tops and bottoms of the leaves. This helps control several pests, including aphids. The soap kills greenhouse whiteflies, which you can spot as tiny white dots on the bottom of leaves.
Should you water geraniums every day?
Watering Geraniums and Pelargoniums All types of geranium require excellent drainage. That is, you shouldn’t rush to irrigate these plants every day, since they grow better when their soil dries out between waterings. Pelargoniums like the soil to dry out a bit before you add more water.
How do you fix Overwatered geraniums?
What does brown spots on leaves mean?
Dry spots on leaf edges Underwatering, overwatering and lack of humidity can cause dry brown spots, especially along the edges of leaves or on leaf tips. Solution: Stick a finger in the soil. If it feels bone dry, you’re probably underwatering. If it feels soggy, you’re likely overwatering.
Can I spray soapy water on my geraniums?
The trick is to use a gentle soap such as pure castile, mix the insecticide in proper proportions and test the mixture on a small area of the geranium before spraying the plant. Mix 2 tablespoons of liquid castile, baby shampoo or other additive-free soap product with 1 gallon of water.
