LawnStar
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Revitalize your lawn, plants, flowers, shrubs and trees
Restores a deep, healthy green vibrancy
Strengthens root development and plant stress tolerance
Fully stable in high alkaline soils, up to 9.5pH
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In continental US
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4.7/5
1123
Total Reviews
Elizabeth Foss
03/13/2022
Easy to use and apply.Roses are coming out with great color.All other plants and bushes have a healthy green color.
Kevin Llanos
03/07/2022
The best product on the market!!!
Scott Kunugi
02/28/2022
So far so good. Trees seem healthier.
Claire Rhodes
02/27/2022
We used the liquid iron on our lawn and for some household plants. It really helped to improve the health of our lawn and green color too.
Kurt Buzzo
02/21/2022
I use the Lawnstar liquid iron in the spring for a quicker green up from winter. I also apply it in the fall because it helps maintain some greenness even in the cold winter months in Northern Utah.
Package Dimensions
7.3 x 5.2 x 2.3 inches
Item Weight
2.50 pounds
Shipping Weight
2.50 pounds
Safety Data Sheet
Click here to downloadUsage Instructions
You should expect to see results within 48—72 hours after application. Maintenance applications are usually repeated on a monthly basis (or once the color begins to fade).
Correction rates are usually only applied once (as the initial treatment), or if there is a severe soil deficiency which requires the higher rates.
Liquid Iron products can severely stain concrete, clothing, and other surfaces. Wear gloves and apply with caution.
Iron deficiency can be a symptom of high pH soil media. If yellowing persists, or returns quickly following treatment with LawnStar Chelated Liquid Iron, soil pH should be checked and corrected.
For Lawns and Turf
Iron Deficiency Correction: Mix 4 to 8 oz. of LawnStar Chelated Liquid Iron per 1,000 sq. ft. Premix at a rate of 2oz per gallon of water.
Maintenance: Mix 1.5 to 3 oz. of LawnStar Chelated Liquid Iron per 1,000 sq. ft. Premix at a rate of 2oz per gallon of water.
For Ornamentals
Iron Deficiency Correction: Mix 0.5 to 3 oz. of LawnStar Chelated Liquid Iron per gallon of water. Apply generously, drenching foliage and surrounding root zone.
Maintenance: Mix 0.25 to 0.5 oz. of LawnStar Chelated Liquid Iron per gallon of water. Apply generously, drenching foliage and surrounding root zone.
For Shrubs and Small Trees
Mix 0.6 to 1.2 oz. of LawnStar Chelated Liquid Iron per gallon of water. Create a trench around shrub/small tree. Apply solution to trench until saturated.
For Large Trees
Mix 0.6 oz. of LawnStar Chelated Liquid Iron per gallon of water. Dig holes 3 to 5 inches deep along the drip line of the tree. The larger diameter the tree, the more holes in soil required along drip line. Apply solution into the holes along the drip line until saturated.
Foliar Spray
Mix 0.6 oz. of LawnStar Chelated Liquid Iron per gallon of water. Apply a light mist over foliage of plants. Do not oversaturate. Apply product in the evening or on a cool cloudy day to reduce foliar burn.
Warranty & Support
Covered by the Evergreen Guarantee: If you aren’t satisfied with the results you get from trying any one of our products, contact us within 30 days of your order date and we will arrange a no-questions-asked return plus refund.
Support Email: [email protected]
Safety Information: Even though CLI utilizes a safer, sugar-based chelating method, it is important to treat it carefully as you would any other lawn and garden product. Keep out of reach of children. Do not ingest. Detailed safety information can be found on the backside of the product label, or by clicking on the Specification tab and reviewing the Safety Data Sheet.
If you can spot yellow leaves, they may be suffering from iron deficiency.
Lawns with a yellowish, mottled appearance may also be suffering from iron deficiency.
Iron is an essential nutrient that plants need to survive. Plants depend on it for use in numerous core processes, to name a few:
You should already be able to see why without an adequate supply of iron, your plants aren’t able to perform vital functions properly…
Meaning: regardless of what you do or how hard you work, your lawn simply won’t be able to thrive.
As you may know, yellowing of plants can also signal nitrogen deficiency. There are a few subtle differences between iron and nitrogen deficiencies, but it’s important to avoid misdiagnosing the two. Treating an iron deficiency with nitrogen only makes things worse. There are a few tell-tale signs of iron deficiency. Remember these so you never misdiagnose again:
If you’re still unsure whether your plants are suffering from iron deficiency or nitrogen deficiency, it may be a good idea to go and check now using the tips above. If you realise you actually have a nitrogen deficiency, LawnStar® 16-4-8 NPK is the perfect product for your needs. Click here to read more about LawnStar® 16-4-8 NPK…
But if it is iron chlorosis that is damaging your yard, you may want to keep reading…
Chelated Liquid Iron is water soluble iron, supplied as a liquid that the plants in your yard can easily and effectively make use of.
Since our iron comes supplied as a liquid, LawnStar® CLI maintains a few unique benefits:
It’s all in the soil! But not the soil itself, because typically soil contains plenty of iron. Various soil conditions prevent plants from making use of all that iron in the soil, such as:
And unfortunately for you, abnormal soil conditions can be incredibly hard (if not impossible) to change, and difficult to manage at best.
Here at LawnStar, we are constantly pushing boundaries. There are different grades of Iron for plants, ranging from the poorest (Grade E) to the highest quality (Grade A). It goes like this:
LawnStar® CLI utilises sodium glucoheptonate, a sugar-based chelating agent in lieu of EDTA or other traditional chelating agents, making for industry leading product safety and environmental friendliness, while ensuring peak stability up to a pH level of 9.5 (full stability in highly alkaline soils, the most common cause of iron chlorosis).
It’s not your fault that some plants in your yard are suffering from iron deficiency. When it comes to soil conditions, there’s not much you can do without spending hundreds, if not thousands.
LawnStar® Premium CLI is the all-in-one solution to yellowing lawns and shrubbery. Our 4-step process to bringing a deeper, greener vibrancy to plants couldn’t be more simple:
Combats Yellowing
EDTA Free
Stable Up To 9.5pH
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4.7/5
1123
Total Reviews
Elizabeth Foss
03/13/2022
Easy to use and apply.Roses are coming out with great color.All other plants and bushes have a healthy green color.
Kevin Llanos
03/07/2022
The best product on the market!!!
Scott Kunugi
02/28/2022
So far so good. Trees seem healthier.
Claire Rhodes
02/27/2022
We used the liquid iron on our lawn and for some household plants. It really helped to improve the health of our lawn and green color too.
Kurt Buzzo
02/21/2022
I use the Lawnstar liquid iron in the spring for a quicker green up from winter. I also apply it in the fall because it helps maintain some greenness even in the cold winter months in Northern Utah.
Tom Kirincic
02/17/2022
easy directions, easy application!
Terre Schill
02/15/2022
I think it works fine, dissolves easily, but just have to wait for growing season to see how much difference it makes.
Steve Schaetz
02/15/2022
I have a silver maple that needs chelated iron every year. It needs to be applied in late February or early March. The Lawnstar product does the trick and is available when I need it.
Susan Lyle
02/13/2022
My landscape architect recommend this to me as he has used it for years. I just added to my lemon tree and a few plants. It is starting to work already!
Gary Richards
02/12/2022
Product was delivered in the expected time. Sprayed liquid iron in mid November and had the a nice green lawn going into winter. Then reapplied before Christmas and having my best winter lawn ever. Thanks for a great product.
Package Dimensions
7.3 x 5.2 x 2.3 inches
Item Weight
2.50 pounds
Shipping Weight
2.50 pounds
Safety Data Sheet
Click here to downloadUsage Instructions
You should expect to see results within 48—72 hours after application. Maintenance applications are usually repeated on a monthly basis (or once the color begins to fade).
Correction rates are usually only applied once (as the initial treatment), or if there is a severe soil deficiency which requires the higher rates.
Liquid Iron products can severely stain concrete, clothing, and other surfaces. Wear gloves and apply with caution.
Iron deficiency can be a symptom of high pH soil media. If yellowing persists, or returns quickly following treatment with LawnStar Chelated Liquid Iron, soil pH should be checked and corrected.
For Lawns and Turf
Iron Deficiency Correction: Mix 4 to 8 oz. of LawnStar Chelated Liquid Iron per 1,000 sq. ft. Premix at a rate of 2oz per gallon of water.
Maintenance: Mix 1.5 to 3 oz. of LawnStar Chelated Liquid Iron per 1,000 sq. ft. Premix at a rate of 2oz per gallon of water.
For Ornamentals
Iron Deficiency Correction: Mix 0.5 to 3 oz. of LawnStar Chelated Liquid Iron per gallon of water. Apply generously, drenching foliage and surrounding root zone.
Maintenance: Mix 0.25 to 0.5 oz. of LawnStar Chelated Liquid Iron per gallon of water. Apply generously, drenching foliage and surrounding root zone.
For Shrubs and Small Trees
Mix 0.6 to 1.2 oz. of LawnStar Chelated Liquid Iron per gallon of water. Create a trench around shrub/small tree. Apply solution to trench until saturated.
For Large Trees
Mix 0.6 oz. of LawnStar Chelated Liquid Iron per gallon of water. Dig holes 3 to 5 inches deep along the drip line of the tree. The larger diameter the tree, the more holes in soil required along drip line. Apply solution into the holes along the drip line until saturated.
Foliar Spray
Mix 0.6 oz. of LawnStar Chelated Liquid Iron per gallon of water. Apply a light mist over foliage of plants. Do not oversaturate. Apply product in the evening or on a cool cloudy day to reduce foliar burn.
Warranty & Support
Covered by the Evergreen Guarantee: If you aren’t satisfied with the results you get from trying any one of our products, contact us within 30 days of your order date and we will arrange a no-questions-asked return plus refund.
Support Email: [email protected]
Safety Information: Even though CLI utilizes a safer, sugar-based chelating method, it is important to treat it carefully as you would any other lawn and garden product. Keep out of reach of children. Do not ingest. Detailed safety information can be found on the backside of the product label, or by clicking on the Specification tab and reviewing the Safety Data Sheet.