Significance

• Rose of Sharon shrubs may take several seasons to reach maturity and bloom. Some develop promising buds that drop shortly after their appearance. Branches that experience bud drop should be pruned to provide for new growth, because rose of Sharon blooms after new growth occurs.
  
  

Possible Causes

• Extreme temperatures, too much water and insect infestation are common reasons for a lack of blooms on a rose of Sharon shrub. Heavy winds and incorrect amounts of fertilizer also prevent rose of Sharon buds from blossoming.
  
  

Solutions

• Rose of Sharon requires moist, well-draining soil and full sunlight. Careful attention to the manufacturer's instructions on fertilizer is required to ensure against overfertilizing the shrub. Ongoing care is necessary to identify and eliminate pests.