How to Fix Magnesium Deficiency in Plants

Leaf tomato deficiency nutrient

How to Fix Magnesium Deficiency in Plants

Applications of rich, organic compost made annually are the first step in giving plants magnesium. Compost helps prevent nutrient loss after prolonged periods of rainfall by preserving moisture. Magnesium is another element abundant in organic compost, which will be an excellent supply for plants.

Spraying the plant’s leaves with a solution containing magnesium, such as Epsom salt diluted in water, is one technique to address a plant’s lack of magnesium. Another approach is to incorporate compost, Epsom salt, or another source of magnesium right into the soil.

The most noticeable sign is chlorosis because magnesium is a part of chlorophyll (yellowing of the leaves). Alternatively, interveinal chlorosis causes the leaf to yellow while the veins continue to be green.

How to Fix Magnesium Deficiency in Plants

The first step in solving a magnesium deficiency in plants is identifying the problem. Magnesium is a component of chlorophyll. Therefore, if a plant’s leaves become yellow, it indicates that it lacks magnesium. Another sign is the yellowing of the interveinal veins of the leaf, which is a common sign of other nutrient deficiencies.

Epsom Salts

You can use Epsom salts to fix magnesium deficiency in plants in several ways. One way is to use it as a regular fertilizer in the soil. This doesn’t require dilution, so that you can apply it straight to the soil. Another method is to use it as a leaf fertilizer. This method is perfect for houseplants because they can absorb the minerals in the leaves.

However, it would help if you didn’t rely on Epsom salts to fix magnesium deficiency in plants. Soil testing is necessary to determine if your soil is magnesium deficient. You can ask your cooperative extension service to help you do this. Also, if your soil has enough magnesium, adding Epsom salts could harm your plants and contaminate the soil.

One common symptom of magnesium deficiency in plants is the yellowing of the leaves. This is a sign that your plants are not getting enough magnesium. However, you should note that Epsom salts can also turn yellowing leaves green. Again, this indicates that they are not receiving enough nutrients from their roots.

Another common symptom is yellowing leaves, which may indicate root rot. Plants may also display chlorosis or brown spots. While most plants won’t suffer from magnesium deficiency, tomatoes can show symptoms of this issue. In addition, you should be sure that the plants are receiving enough calcium to thrive.

Epsom salt is another common remedy for magnesium deficiency in plants. Its sulfur and magnesium content will help the plants form proteins. The two nutrients aren’t required in high concentrations, but they can be helpful to plants when they’re in need. Moreover, it won’t affect other nutrients essential for good growth.

Dolomite Limestone

Dolomite lime is a natural product that is used for a variety of reasons. It is a source of magnesium and calcium and can provide valuable nutrients to plants. It is also helpful in raising soil pH levels, which is essential for plant growth. Dolomite lime is available in various forms, including fine and coarse granules, prills, and pellets.

The mineral is also used as an organic fertilizer in agriculture. It provides plants with 20-30% magnesium and 10-20% calcium and helps adjust soil pH levels to meet plant needs. In addition, it improves soil microbial life and promotes the production of humic acids, a critical component of plant nutrition.

Mg increases sugar transport from leaves to roots, favoring the growth of roots. It also modifies the root-to-stem ratio, which improves water absorption. In addition to improving root growth, plants with high Mg content are more resistant to high temperatures and light intensities.

If magnesium levels in the soil are too low, dolomite limestone is a good solution. This mineral can be added quickly to the soil or over time to correct the pH levels. However, when using this method, it is essential to remember that too much magnesium can block the absorption of other nutrients, including potassium and calcium.

Limestone also helps to correct the soil’s pH level, improving nutrient absorption and water retention. It also prevents the accumulation of harmful nutrients. This helps herbicides and other weed killers to work more effectively when pH levels are neutral. In addition, limestone raises the calcium level of the soil to a level that benefits plants.


The symptoms of a Cal-Mag deficiency in plants include yellowing and browning leaf tips and leaf centers. Older leaves will also curl or have brown spots. If you suspect your plants may lack the mineral, you should consider adding a diluted solution of Cal-Mag to their watering schedule. Then, monitor the plants for a week or two to see if they show signs of recovery.

Mixing the Cal-Mag solution with water is simple. Add it to a garden sprayer, watering can, or 1-gallon jug. Once a week, apply the solution to the growing medium of your plants. Be careful not to spray the solution onto the plant’s foliage or flowers.

If you suspect that your plants lack magnesium, take the time to test your soil to see if you need to supplement with Cal-Mag. New growth will appear within two weeks if the plant has a magnesium deficiency. In some cases, plants will even bloom! However, it’s essential to remember that plants need the correct ratio of all nutrients.

To supplement with Cal-Mag, mix the calcium nitrate or Epsom salts in a gallon of water and add them to your plants’ growing medium. However, it would help if you didn’t use the solution more than once a week. Then, you can discontinue using Cal-Mag when the symptoms disappear, and your plant starts to grow normally.

Cal-Mag is one of the many supplements available for plants. However, it’s essential to read the label when you buy it. Ensure you’re buying a high-quality, non-aggressive solution because you don’t want to overfeed your plants.


When plants lack magnesium, it can cause yellowing between the veins of leaves. The leaves may also turn red or brown. Often the leaves will fall off early in the summer. Unfortunately, they may also have poor flowering and a short life span. Tomatoes, apples, grape vines, and roses are particularly susceptible. Luckily, magnesium supplements can help remedy this problem.

It’s essential to keep your soil’s pH level between 6.5 and 7.5. If the pH level is too acidic, your plants may struggle to take magnesium. Luckily, magnesium and calcium supplements are available in many brands. The right balance of all nutrients is essential for a plant’s healthy growth.

When it comes to fertilizers, magnesium-rich Epsom salts are an excellent option. You can also use synthetic fertilizers that contain magnesium. As with any supplement, maintain stable conditions for your plants. The temperature and humidity levels in the pot should remain stable. This way, magnesium supplementation won’t cause any adverse effects.

Many plants with magnesium deficiencies also have poor soil conditions. Too much rainfall, for example, can wash the magnesium out of the soil and make it unavailable to plants. Cold soil also hinders the absorption of magnesium. Plants may also suffer from magnesium deficiency or have a late frost when planted too early in the year.

Magnesium sulfate supplements are another effective way to address magnesium deficiencies in plants. These supplements are fast-acting and highly soluble. They can be applied directly to the roots or as a foliar spray. However, it would help if you were sure to dilute them thoroughly before applying fertilizers to your plants. This way, you can be sure they won’t interfere with flowering.


When plants don’t get enough magnesium in the soil, they display symptoms like yellowing leaves with green veins and stunted growth. If you notice these symptoms in your plants, you can use a magnesium fertilizer to correct the problem. Depending on the type of plant, you can use magnesium sulfate, Epsom salt, or a combination of both.

Fertilizers that are high in potassium and magnesium can help correct the problem. Soybean meal is a good source of magnesium, but it has a higher potassium content than magnesium, so you need to be careful with the amount you add. Also, you should test your soil after adding the fertilizer to see if it works.

How to Fix Magnesium Deficiency in Plants

A magnesium sulfate solution is another easy-to-use solution for magnesium-deficient plants. You can apply this solution to plants as a side dressing or drip system. Apply about 60ppm to your plants, but dilute it in water before applying.

Magnesium deficiency in plants is most apparent when the leaves start turning yellow. This problem usually affects older leaves first. It may also cause your leaves to curl and have burnt edges. In severe cases, your plants may even drop their leaves.

Plants need magnesium for cell division, protein formation, and plant respiration. It’s a vital part of chlorophyll, which helps the plant metabolize carbohydrates and photosynthesis. In addition, magnesium also contributes to stabilizing cell membranes. Plants get their source of magnesium in the soil. However, different types of soils have different amounts of magnesium. The source rock material, degree of weathering in a particular area, and climate will affect the amount of magnesium in a given soil.

A magnesium deficiency in plants can lead to poor crop production and interveinal chlorosis, yellow or purple leaves, and lower leaves that die off. Magnesium deficiency can lead to a lower crop yield in extreme cases. Fertilizers can help fix magnesium deficiency in plants and keep them healthy.