Black Spots On Back Of Hibiscus Plant Leaves Where The Leaf And Stem Meet.

Question

There are black spots on the back of the hibiscus plant leaves where the leaf and stem meet as shown in the photos. What are these and how to get rid of them?

• 
• 
• 
• 
• 

Answer 1

That would be sooty mold. This happens from aphid infestations. Here are some articles that will help:

https://www.gardeningknowhow.com/plant-problems/pests/insects/homemade-aphid-control.htm

https://www.gardeningknowhow.com/plant-problems/disease/how-to-get-rid-of-sooty-mold.htm

https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/how-to-care-for-hibiscus-plants.htm