The three numbers on fertilizer represents the value of the three macro-nutrients used by plants.
These macro-nutrients are nitrogen (N), phosphorus (P), and potassium (K), or NPK for short.
Nitrogen stimulates the production of chlorophyll, which helps plants absorb light and transfer it to energy that helps them grow.
Phosphorus is a fortifier; it promotes the hardy development of a plant's roots, stems, leaves and blossoms.
NPK 19-19-19 can be used on all varieties of potted plants
NPK 19-19-19 ratios are balance and better fertilizer ratio for all kinds of plant.
It controlled release fertilizer is engineered to help deliver bigger, greener plants.
