The Q&A Archives: Brown/black spots

Question: i have an indoor plant that known as a

Answer: If you can wash the substance off, I think it is either bug poop (such as fly spots) or the excretement of sucking insect pests such as scale or mealybugs. When pests such as these feed, the excrete a sticky substance which eventually turns black or brown. Carefully inspect your plant for colonies of feeding insects. Sometimes you can pick or peel them off, or wash them off with a strong stream of water. In the case of mealybugs or scale insects, you can dab them with a cotton swab dipped in rubbing alcohol. Good luck with your corn plant.

« Click to go to the homepage

» Ask a question of your own

Q&A Library Searching Tips

  • When singular and plural spellings differ, as in peony and peonies, try both.
  • Search terms are not case sensitive.

Today's site banner is by plantmanager and is called "Captivating Caladiums"