Knowledgebase
Ninebark shrubs have very small leaves, and fewer that last year. #933185
Asked May 27, 2026, 4:53 PM EDT
Hennepin County Minnesota
Expert Response
https://extension.umn.edu/managing-soil-and-nutrients/soil-testing-lawns-and-gardens
Have neighboring trees grown and are now providing more shade. Has more road salt landed on the shrub than in previous years? Inspect the stems. Any animal damage to the bark?
The following web pages give the growing characteristics for this plant. If your plant does not match up, that may point to a cause.
https://trees.umn.edu/little-devil-ninebark-physocarpus-opulifolius-donna-may
https://plants.ces.ncsu.edu/plants/physocarpus-opulifolius/
https://web.extension.illinois.edu/shrubselector/detail_plant.cfm?PlantID=354