Plant supplements consist of specific nutrients designed to keep your plants healthy and thriving. Just like humans take vitamin supplements to fill gaps their food can’t fill, plant supplements provide supplemental nutrition to the plant the soil doesn’t supply.
What supplements to give plants?
Nitrogen, phosphorus and potassium are the best vitamins for plants, and you can see them on fertilizers labeled with the letters “NPK.”
What are plant vitamins?
The micronutrients boron, manganese, copper, zinc, chlorine, nickel, cobalt and molybdenum are required in such minute amounts for plant growth that lack is not particularly a problem. The best way to ensure a good supply of these plant vitamins is to feed your soil with manure or other organic material.