How to Grow Peppers With Magnesium

Magnesium reacts with potassium and plays a key role in the uptake and transport of nutrients in plants, including pepper plants. It is also the central atom in chlorophyll, making it necessary for photosynthesis. A magnesium deficiency typically presents with yellowing between the veins of older leaves. Leaf borders may turn bronze or purple and eventually die if the deficiency is not corrected. Linda Chalker-Scott, master gardener editor from Washington State University, questions the usefulness of supplemental magnesium to garden vegetables, but does agree that when a deficiency exists, adding magnesium to the soil will improve the uptake and usage of nutrients.

Soil test
Magnesium sulfate
Quart jar
Teaspoon
Sprayer or sprinkling can

Instructions

- 1
  Test your soil to determine if a magnesium deficiency exists. Your local extension office provides soil testing services for a minimal fee and can advise you of the magnesium level in your soil. Adding magnesium to your soil when a deficiency does not exist is not recommended and will not promote lush growth.
- 2
  Mix 1 tsp. of magnesium sulfate --- commonly known as Epsom Salt --- in 1 quart of lukewarm water. Stir to thoroughly dissolve the crystals.
- 3
  Apply the solution to the foliage of your pepper plants at blooming time. Because magnesium sulfate is a foliar feeder, nutrients are absorbed through the leaves. Any excess solution drains into the soil, where it is absorbed by the roots.
- 4
  Apply the magnesium solution again in 10 days. According to Beth R. Jarvis of the University of Minnesota Extension Service, magnesium promotes good fruit set.

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