How to Give Your Plants Phosphorus

Phosphorus is one of the three main elements plants need from soil to grow normally. Phosphorus needs to reach plants in steady streams for a plant to reach its full potential. Commercially available, phosphorus-rich fertilizers can provide exactly what your plant needs. However, some fertilizers contain significant amounts of other elements that may prove too much for your plant. Read the manufacturer's directions thoroughly before applying any fertilizer.

Things You'll Need

Gardening gloves

Watering can or hose with spray nozzle

Instructions

- 1
  Purchase a phosphorus-rich fertilizer from a home and garden warehouse or other retail outlet. Read the entire label to ensure the fertilizer is compatible with the type of plant you are growing. Some fertilizers are high in nitrogen, for example, and should not be used with plants that do not require high amounts of nitrogen. The wrong type of fertilizer will harm your plants more than it will help them.
- 2
  Put on gardening gloves. Open the bag of fertilizer and scoop out the manufacturer's recommended amount. The amount of fertilizer you need depends on the type of plant, the age of the plant and sometimes even the location of the plant. Follow the manufacturer's instructions to get the best results.
- 3
  Sprinkle the fertilizer around your plant according to the manufacturer's directions. Some fertilizers should be applied close to the plant's stem, stalk or trunk. However, others should be sprinkled up to a foot away. Read the label to ensure you apply the fertilizer correctly.
- 4
  Water the fertilizer immediately after application to soak it into the ground. After the water has soaked in, follow your normal watering schedule for the plant.

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