Brand
ICL
Blue Max Coated Aluminum Sulfate 2-3M - 50 lb Bag
Blue Max Coated Aluminum Sulfate is a fertilizer that provides the aluminum sulfate necessary for hydrangea flowers to obtain their blue color. It also reduces the amount of repeated applications needed for maintenance.
- Safe and consistent release eliminates need to reapply
- Lower phytotoxicity risk than drenches
- 100% resin-coated cores prevent overdoses and minimize root burn