Hi-Yield Magnesium Sulfate is a granular, soluble source of magnesium for correcting chlorosis caused by magnesium deficiency in garden plants and shrubs. This 3.25 lb bag can be used as a foliage spray or soil treatment, including labeled use on palms and hydrangeas.
| Application | Label Rate |
|---|---|
| Foliage spray | 2 tbsp per 1 gal water |
| Soil application | 1 lb per 100 sq ft |
| Hydrangea bloom feeding | 1 lb per 100 sq ft |
