Hibiscus Doctor

Special thanks to Hidden Valley Hibiscus for allowing us to use their information regarding diseases and problems associated with our plants. 

 

Click here for the Hibiscus Doctor link on Hidden Valley Hibiscus.

Symptoms
 Cause

White Spots or patches on leaves
 


Brown edges on leaves
 


Buds discolor and fall off before blooming



 


 

Buds turn bright yellow while still tiny and fall off before blooming




  
 



Scratch marks on flower petals
 


 Thrips
 


Leaves stipple, turn yellow, & fall off
 


Tiny webs on stems & tip
 


Leaves turn yellow and fall off until plant is defoliated, soil is neither too wet nor too dry
 


White cottony mess on leaves
 



Tiny bright white insects fly out of hibiscus when leaves are shaken
 


Black, white, yellow, brown, or green insects on buds, flowers or leaves
 


Black, white, yellow, brown, or green insects on buds, flowers or leaves
 
 


Small, white cottony spots on leaves
 


Tiny, bright white spots on bark
 


Tiny, black flying gnats around plant



 


One wilted branch on an otherwise healthy plant



 


Plant defoliating from tip, moving down stem while rest of plant is healthy
 


Entire plant suddenly wilts soil is very dry
 


Entire plant suddenly wilts soil is wet
 


Black spots on leaves
 


Oldest leaves turn yellow with dark green veins, Young leaves stay green



Youngest leaves turn yellow with dark green veins, Older leaves stay green