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Where To Buy Gypsum For Lawns

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How Does Gypsum Work

What is Gypsum and How Does It Help My Lawn and Garden?

When applied to alkaline soils, as many clay soils are, gypsum helps to improve the physical structure of the soil and helps to reduce the pH.

In other words, the addition of gypsum helps to break up the soil into smaller, crumblier pieces.

This not only makes the soil easier to work with but also helps to improve the drainage of heavy clay soils.

This is particularly important because heavy clay soils can become quite waterlogged and the clay can often bind the nutrients in the soil, making them unavailable to plants.

As an added bonus, gypsum also adds nutrients such as calcium and sulphur to the soil.

Usa Gypsum Comes In Various Forms And Sizes To Meet Your Needs:

Pulverized Gypsum

  • Variable particle sizes deliver extended release
  • Broadcast with vicon style spreaders or drop spreaders designed for powder
  • Free flowing, low dust, slower release
  • Broadcast with any style fertilizer spreader
  • Fastest acting form of gypsum
  • Low dust, free flowing
  • Broadcast with any fertilizer spreader
  • Care must be taken to keep completely dry until applied
  • Mined gypsum produced without heat or additives as required by USDA & OMRI
  • Broadcast with lime or fertilizer spreaders

Learn More Buy Now

What Are The Benefits Of Gypsum

Using gypsum can improve soil structure, decrease soil compaction, decrease acidity, prevent water run-off, increase airflow and dislodge salt. It is a source of calcium and sulfur, which are essential for healthy plant growth. Its natural and non-toxic, so its pet-safe and safe for you to handle without protective equipment like masks or gloves.

Gypsum contains calcium, which helps to improve soil structure. It aids in the flocculation process, which groups soil particles into clusters and improves air and water movement through the soil for healthy root growth.

Ice-melting chemicals such as salt damage lawns because they displace other elements necessary to a lawns health. Salt can prevent plants from absorbing the water they need and create drought-like effects in a lawn even when significant moisture is present. Gypsum can help to leach salt from the soil. Leaching is a process that uses water to drain salt from the root layer of a lawn to deeper layers of soil that do not interfere with plant growth.

Gypsum supplies calcium to the soil. The calcium displaces sodium so it can be leached with rainfall or irrigation water. The best way to use gypsum for the leaching process is to apply it after lawn aeration. Aeration creates small holes that make it easier for gypsum to enter and work within the soil.

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Why Do You Add Gypsum To Soil

Improving soil structure helps farmers with some common agricultural problems. Adding gypsum to the soil reduces erosion by increasing the ability of soil to soak up water after precipitation, thus reducing runoff. Gypsum application also improves soil aeration and water percolation through the soil profile.

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Do I Need A Lime Or Gypsum Lawn Treatment In Cincinnati Dayton Oh Or Northern Kentucky

Pennington Fast Acting Gypsum 30

6 min read

When it comes to your lawn care and the treatments you may need, you need a professional you can trust. The average person doesnt know much about the chemistry of lawn care and must often put their trust in a lawn care professionals hands. But knowing who you can trust may be an intimidating decision.

Unfortunately, there are some companies in the lawn care profession who have taken advantage of the situation. Recommendations for more applications than are truly needed or even products that are unnecessary are justified concerns.

Two lawn care products that we get a lot of questions about are lime and gypsum. While lime lawn treatments and gypsum lawn treatments are commonly touted as helpful, the truth is they are rarely needed in our region.

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How Gypsum Helps Improve Soil Structure

Gypsum is a soft white-grey mineral known as a clay breaker because it helps to improve the physical condition of heavy clay soils. In laymans terms, if you look at compacted soils under a microscope they look like a jar full of sand. If you mix gypsum with the soils it will then look like a jar full of marbles, with air pockets around them. The result of this occurring is to allow better water and root penetration. Root development and the intake of other essential nutrients are assisted as well by the calcium content of gypsum.

How To Use Gypsum On Clay Soil

Gypsum is a mineral that helps to improve the physical structure of the soil and reduce the pH.

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For those gardeners who are used to working with clay soils, theres no need to tell you about the virtues of gypsum.

However, if youre new to gardening with clay soil, you might be wondering what gypsum is and why its such a good addition to your heavy clay soil.

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How Much Gypsum Can You Add To Soil

Most farmers and gardeners resort to using gypsum to salvage Alkali soils. Aside from it, home gardeners also faced hardpan types of soil or clay soil which is not suitable for plant growth. Gypsum for soil remedies this problem by breaking down compacted soil to allow good drainage and nutrient absorption, essential in plant growth.

However, applying too much gypsum in the soil may also mean eliminating essential nutrients from the soils such as aluminum, iron, and manganese. Removal of these nutrients may lead to poor plant growth. Therefore, it is vital to exactly know how much gypsum to add to the soil.

How Often Should I Apply Gypsum To My Lawn

Stop Applying Gypsum For Clay Soil & Lawns – Lawn Care How To

For lawns, use a lighter hand. Existing lawns need only 40 pounds per 1,000 square feet. Apply gypsum just once a year, but keep in mind that gypsum works slowly and youll need to repeat the application for multiple years. Gypsum wont work in every garden. It doesnt convert clay into compost, and it isnt a panacea for all your gardens ills.

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Should I Use Lime Or Gypsum

When determining if you should use lime or gypsum, its crucial to test the pH levels of your soil.

Measuring the pH level will help you determine if you should apply gypsum to your soil and how much you should use. If the pH level is less than seven, the soil is acidic. If the pH level is higher than seven, the soil is alkaline. If your soils pH is under seven, lime can help balance the pH levels and make your soil less acidic.

Gypsum can add calcium and sulfur to your soil while removing sodium, but it cant increase the pH of your soil.

Leaching, erosion and decomposition can cause high soil acidity, significantly damaging plants and crops. Adding lime to your soil can reduce its acidity, allowing it to produce healthy crops and plant growth.

How Do I Add Gypsum To My Vegetable Garden

  • Plant vegetable gardens if it has 100 square feet of surface area.
  • 2 cups may be applied at planting and reapplied when setting tomatoes, peppers and eggplant.
  • To achieve an ideal weight of 120-160 lbs per 1000 square feet, apply 120-160 lbs per 1000 square feet on heavy clay soils.
  • Compost should be sprayed with 2-3 cups when added to the pile each cubic yard.
  • Read Also: Why Put Lime On Lawn

    How Does Gypsum Help In Plant And Soil Health

    Here are some of the benefits of using gypsum for our garden:

    1. It is a Good Source of Sulfur and Calcium.

    Gypsum is a good source of calcium and sulfur which is essential for improved plant growth. As time passes, plants are having less amount of sulfur which is essential in plant nutrition and enhancing crop harvest. Even the soil is not giving enough of it, thus applying gypsum will boost the amount of sulfur in the soil to provide to the plants. Calcium also helps speed up root growth thus allowing more nutrients to be absorbed by the plants.

    2. Improves the Structure of the Soil

    The calcium in Gypsum improves flocculation or soil aggregation. Flocculation is vital to allow water and air movement and root growth in the soil.

    3. Reduce Aluminum Toxicity

    Gypsum helps treat aluminum toxicity which often goes together with soil acidity in subsoils. With this, it allows deeper rooting of plants that proves to be beneficial to the crops.

    4. Enhances Water Access

    Applying gypsum in the soil enhances the water permeation of the soil due to swelling clay and increased amounts of sodium, thus allowing water to have access and move in the soil making our crops go well. This also improves the chance of the crops to survive drought as it improves the structural properties of the soil that allows the positive soil-water relations to take place.

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    Plants Lacking In Essential Calcium Exhibit Symptoms Such As:

    Espoma Garden Gypsum 36 lb.
    • Discolored patches on fruits, such as blossom end rot on tomato plants, peppers, melons or squash
    • Dead buds and root tips
    • Shedding of blossoms or buds prematurely
    • Weak stems
    • Abnormal dark green leaves
    • Burnt tips on the young leaves of celery, lettuce or cabbage

    In most areas, calcium deficiency is the result of high levels of rainfall, acidic soil levels, or both. Regions that receive more than 40 inches of rainfall per year are particularly prone to calcium deficiency, including regions of the Pacific Northwest that are west of the Cascade Mountains and areas east of the Mississippi River.

    Gypsum, made up of 21% calcium and 17% sulfate, is one of the best sources of calcium for every plant in your garden. While many gardeners tend to rely on limestone to provide a rich source of calcium, limestone is not water soluble and must come into contact with soil acids before the calcium ions are released to plant roots. Limestone also does not migrate well in soil, and often doesnt reach the depth needed in order for it to be available to plant roots where it is needed most. Limestone also raises soil pH, which may not be needed or desirable.

    Gypsum, however, requires moisture to dissolve and the form of gypsum mentioned previously also affects availability and moves quickly from the surface of the soil to the roots below. Gypsum also has no measurable effect on soil pH.

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    Improve Water Penetration In Your Lawn

    If your lawn happens to have dense clay soil or compact soil, water might be having a hard time penetrating deep enough to the root zone. Poor water absorption may lead to stagnant water, which can exacerbate root diseases and nutritional deficiencies over time.

    Adding gypsum to your lawn soil will improve water absorption and increase sodium levels, thus enabling water to seep through the soil, allowing your grass to thrive.

    This also increases the chances of grass surviving even in dry seasons by improving the soil structural components that allow favorable soil-water interactions.

    See also: What happens if grass gets too much nitrogen?

    Using A Hybrid Approach For Best Results

    For best results it is a good idea to consider using both liquid and powdered gypsum, but at different times.

    For fast results ensure the initial application of gypsum is in liquid form. This way you will see benefits in the soil very quickly without having to wait several months. Within days the liquid gypsum will have had a positive effect on the soil and in conjunction with aeration the soil should be in fairly good shape.

    Then, for your yearly application, revert to a powdered form of gypsum.

    At this point the soil will not need the fast acting results offered by a liquid solution. By applying the gypsum in a powder form you will get all the positive long term benefits without the short-term financial pain of using liquid gypsum again.

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    Benefits Of Using Liquid Gypsum

    • Softens hard & clay soils
    • Helps roots grow deep & healthy
    • See results in as little as 7 days
    • Environmentally friendly
    • Easy to apply
    • 1 quart = 200 lbs of Dry Gypsum*

    *The amount of usable calcium in one quart of Liquid “Gypsum” is equivalent to 200 pounds of dry gypsum.Non toxic. Safe for use on all grasses, plants, trees and orchards.Refill quarts and gallons available.

    Gypsum Helps Plants Absorb Nutrients

    Fertilizing Your Lawn & Applying Gypsum

    Calcium, which is supplied in gypsum, is essential to the biochemical mechanisms by which most plant nutrients are absorbed by their roots. Without adequate calcium, nutrient uptake mechanisms fail. Essential nutrients like nitrogen, phosphorus, and potassium stick to clay particles in the soil and the plants roots cant access them.Gypsum loosens these nutrients.

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    Gypsum Has A Higher Content Of Sulfur And Calcium

    It is a good source of both sulfur and calcium, both of which are necessary for healthy lawn growth. With time you will notice your lawn grass looking weak and pale. This is usually due to your soil losing sulfur and calcium, which are vital for your soil nutrition and grass growth.

    Proper application of gypsum can be all your lawn needs to spring back to life .both sulfur and calcium work by releasing unavailable nutrients to your lawn soil, allowing the grassroots to ingest them.

    Plus, calcium also speeds up the growth rate of grassroots, thus enabling grass to suck up more nutrients.

    Understanding Lime And Gypsum

    Adding lime to soil raises the pH, which lowers the acidity. Gypsum helps correct compacted soil as well as counteracts excessive saline levels.

    Do I Need Lime?

    • The best way to determine whether your soil needs liming is to test its pH. Since the most fertile gardens and lawns are those with a proper pH balance, having your soil tested every few years is highly beneficial. You can purchase a soil test kit or contact your local Cooperative Extension Service for a low-cost test.
    • The target pH level of turf grass is between 6.2 and 6.5, so if your soil has a lower pH, it will likely benefit from the addition of lime.
    • Remember, though, too much lime can be as harmful to your lawn as too little, so always test the soil and read the instructions on the lime package before application.

    Do I Need Gypsum?

    • Soils in the Southeastern U.S. tend to be clay and gypsum application will help improve the structure of clay soils. To determine if your soil can benefit from gypsum, test saline amounts or simply observe if you are working with soil that is heavy with clay or hard to break up.

    Tip: Lower soil acidity can help increase vegetable production in the garden and enhance the appearance of your lawn.

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    Lime And Gypsum Fertilizer Applications

    Lime and gypsum are easily applied using a drop spreader or broadcast spreader. As with all fertilizers, apply lime and gypsum as the label directs.

    Both lime and gypsum are non-toxic. Since lime is insoluble, it tends to stay exactly where it is spread, so spreaders ensure uniform coverage. Gypsum does not change the pH of your soil, so you can use it around acid-loving plants such as rhododendrons, azaleas and blueberries to provide extra calcium.

    Although best applied in the fall, lime can be applied at any time of the year.

    For even coverage, apply half the lime in one direction and the rest in a crisscross pattern.

    Apply lime and fertilizer at least two weeks apart to avoid damaging plants.

    Both lime and gypsum can be easily applied using lawn spreaders.

    Lime can burn a lawn if misapplied, but gypsum will not.

    When to apply gypsum:

    • Any time of the year


    • Established lawns: 40 to 50 lbs. per 1,000 sq. ft.
    • New lawns with heavy clay: 300 lbs. per 1,000 sq. ft.
    • Gardens: 20 to 30 lbs. per 100 sq. ft.
    • Roses: 1 lb. per bush Shrubs: 2 lbs. per shrub
    • Evergreens: 2 to 3 lbs.per evergreen


    • Twice per year


    • You do not have to work gypsum into the soil simply use a spreader to distribute it over the surface of your lawn or garden.
    • For garden application, also mix in compost or organic matter.
    • Water immediately after application.

    The Myth Of Using Gypsum For Lawns To Raise Soil Ph

    Pelletized Gypsum

    Myth #3: Gypsum for lawns is a great liming material and will effectively raise soil pH.

    While gypsum is useful in many ways, this gypsum myth applies only to gypsum as a soil acid neutralizer. While there are reports of gypsum raising pH, this is mainly restricted to agriculture and not so much for lawns. I talk to people all the time who use gypsum in an attempt to neutralize acidic soil, not realizing it will not raise the soil pH at all.

    Gypsum is a great product and a good soil conditioner, but there are no miracle cures. It is great for adding calcium and for solving some problems lime alone can’t do. These are explained below.

    At times the benefits of applying gypsum for lawns can be countered by a few disadvantages. Some of the possible disadvantages is nutrient leaching leading possibly to nutrientdeficiencies. Before adding anything to the soil, it is always advisable to make sure it is needed first.

    Gypsum is a great product and a good soil conditioner, but there are no miracle cures. It is great for adding calcium and for solving some problems lime alone can’t do. These are explained below.

    At times the benefits of applying gypsum for lawns can be countered by a few disadvantages. Some of the possible disadvantages is nutrient leaching leading possibly to nutrientdeficiencies. Before adding anything to the soil, it is always advisable to make sure it is needed first.

    What is Gypsum for Lawns?

    What is Gypsum for Lawns Used For?

    Another misconception About Gypsum

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