Brand Name: Hi-Yield
*Sub Brand: Magnesium Sulfate
*Product Form: Powder
*Product Type: Plant Food
*Container Size: 4 lb.
*Plant Type: Hydrangeas
*Coverage Area: 400 sq. ft.
*Packaging Type: Bagged
*Fertilizer Analysis (N-P-K): 0-0-0
*Concentrated: No
*Indoor or Outdoor: Outdoor
*Can be used as a foliage spray or soil treatment
*Also known as epsom salt