answersLogoWhite

0

it is caused by a fungus,spread by water and insects. use a product that is used for blackspot.

User Avatar

Wiki User

12y ago

What else can I help you with?

Related Questions

Are black spots on mint leaves safe to eat?

Black spots on mint leaves are typically caused by a fungal infection and are not safe to eat. It is best to discard any leaves with black spots to avoid potential health risks.


Are black spots on sage leaves safe to eat?

Black spots on sage leaves are typically caused by a fungal disease and are not safe to eat. It is recommended to discard any sage leaves with black spots to avoid potential health risks.


Why are the leaves on your fig tree turning yellow?

black spots on the leaves?


How can I effectively treat black spots on basil leaves?

To effectively treat black spots on basil leaves, you can try removing the affected leaves, ensuring proper air circulation, avoiding overhead watering, and applying a fungicide if necessary.


What causes black spots to appear on golden retriever's tongues?

The black spots on dogs' tongues are just birth marks.


What are the possible causes and solutions for basil plants developing black spots on their leaves?

Possible causes of black spots on basil leaves include fungal diseases like downy mildew or bacterial infections. Solutions include improving air circulation around the plant, avoiding overhead watering, and applying fungicides or bactericides as needed. Proper spacing, watering at the base of the plant, and removing infected leaves can also help prevent the spread of the disease.


What causes brown spots on Magnolia leaves?

Magnolias unlike many trees lose their leaves in the springtime. This year my magnolia started to drop leaves in the first week of May when the weather got warmer. black spots on the underside of the leaves can also be seen. Magnolias like lime free soil, so a lime free compost is best.


Why do ferns received in a flower basket grown black spots on the underside of the leaves?

It is possible that the black spots are caused by the fern leaves resting on the pot. It is also possible that a certain species of butterfly has laid her eggs on the underside of the plant leaves.


Why does cold water make spots on African violets?

Cold water kills the leaves of African Violets. Where the water touches, it causes dead spots on the leaves. Room temperature water will not cause these dead spots.


How can I effectively get rid of black spots on strawberry leaves?

To effectively get rid of black spots on strawberry leaves, you can try removing and disposing of infected leaves, ensuring good air circulation around the plants, avoiding overhead watering, and applying fungicides if necessary.


How can I effectively treat black spots on palm leaves?

To effectively treat black spots on palm leaves, you can try removing the affected leaves, improving air circulation around the plant, avoiding overhead watering, and applying a fungicide specifically designed for palm trees.


What causes black spots on face and hands?

Due to Sun rays