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MONTEREY

Monterey Turf Booster 18-2-2 Plus Iron Fertilizer

Monterey Turf Booster 18-2-2 Plus Iron Fertilizer is a powerful liquid fertilizer solution that provides essential nutrients to help lawns thrive and enhance its color, growth, and overall health. 

As low as $17.24
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Monterey Turf Booster 18-2-2 Plus Iron Fertilizer Product Page
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Price as of
04/21/26
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Monterey Turf Booster 18-2-2 Plus Iron Fertilizer, manufactured by Monterey, is a carefully balanced lawn fertilizer that delivers all the essential nutrients your grass needs for a lush, green coloration and optimal health. 

This fast-acting fertilizer contains 3 nitrogen forms, helping keep the turf's vibrant color, resulting in a deeper, richer green. With its other nutrients, phosphorous and potassium, this product will establish a strong foundation for long-term growth and enhance the grass's ability to withstand heat, drought, and disease stress. 

Easy-to-apply and rapid-acting Monterey Turf Booster 18-2-2 Plus Iron Fertilizer helps transform dull lawns into healthy, colorful landscapes. 

Tools Needed

It may be applied with a handheld pump sprayer, hose-end sprayer, or backpack sprayer. 

How to Use

spraying lawn selective herbicide

  • Step 1: Determine how much Monterey Turf Booster 18-2-2 Plus Iron Fertilizer to use by measuring the square footage of the treatment area. Measure the treatment area's length and width in feet, then multiply them together (length X width = square footage). Apply 4 fl. oz. (8 Tbsp.) of Monterey Turf Booster 18-2-2 Plus Iron Fertilizer in one gallon of water to treat 1,000 sq. ft. of turf. 
  • Step 2: If you are using a hose-end sprayer, the concentrate will automatically mix with water as you spray. Check the hose-end sprayer’s manual instructions to ensure proper calibration. For a more controlled application, you can use a tank sprayer. Pour half the amount of water into the tank and add the measured amount of product. Next, pour in the remaining half of water and shake until the solution is evenly mixed. 
  • Step 3: Once the product is mixed, it is time to apply it to your turf. Walk steadily across the lawn, making sure to cover the entire area evenly. Be careful not to over-apply more than the recommended rate, which can lead to plant burn. Do not water for at least 24 hours to avoid washing off fertilizer. This allows the uptake of nutrients into the leaf. 

Where to Use

Monterey Turf Booster 18-2-2 Plus Iron Fertilizer can be used on lawns and turf. 

Do not apply near water, storm drains, or drainage ditches. 

When to Use

Apply in the early morning or late evening when the turf is actively growing. 

Do not apply if heavy rain is expected. 

Safety Information

Monterey Turf Booster 18-2-2 Plus Iron Fertilizer is safe to use around children and pets when applied according to the product label instructions. Always wear the proper personal protective equipment (PPE) when mixing and applying this product. 

Keep out of reach of children and pets. 

Special Considerations

This product may stain. Keep spray off areas such as: sidewalks, patios, driveways, fences, and painted areas. As a precaution, rinse off these areas with water after applying.

More Information
Restricted Use No
Availability Online
Signal Word WARNING
Keith's Pro Tip "Like most basic lawn care, weeds hinder any turf type. Control weeds in lawns with a post-emergent herbicide before the turf's active season of growth or right when they appear for best results."
Time to Kill Monterey Turf Booster 18-2-2 Plus Iron Fertilizer will work instantly.
Chemical Type Fertilizer
Formulation Emulsifiable Concentrate (EC)
Application Methods Broadcast Spray, Spot Treatment
Product Drawbacks Monterey Turf Booster 18-2-2 Plus Iron Fertilizer may stain.
Active Ingredient Nitrogen 18.0% Available Phosphate 2.0% Soluble Potash 2.0% Copper 0.10% Iron 1.00% Manganese 0.10% Zinc 0.10%
Application Equipment Backpack Sprayer, Hose End Sprayer, Pump Sprayer
Mix Rate Apply 4 fl. oz. (8 Tbsp.) of Monterey Turf Booster 18-2-2 Plus Iron Fertilizer in one gallon of water to treat 1,000 sq. ft. of turf. 
Use Sites Outdoors
Yield 32 oz. of Monterey Turf Booster 18-2-2 Plus Iron Fertilizer will cover up to 8,000 sq. ft.
EPA Registration No. N/A
Shelf Life Monterey Turf Booster 18-2-2 Plus Iron Fertilizer will last for 3 years when stored in a dry, clean area.
Comparable Products Monterey Turf Booster 18-2-2 RTS Fertilizer
Children or pets? No
Property Characteristics None
AvailabilityOnline
Restricted UseNo
BrandMONTEREY
Keith's Pro Tips"Like most basic lawn care, weeds hinder any turf type. Control weeds in lawns with a post-emergent herbicide before the turf's active season of growth or right when they appear for best results."
Product DrawbacksMonterey Turf Booster 18-2-2 Plus Iron Fertilizer may stain.
Application EquipmentBackpack Sprayer, Hose End Sprayer, Pump Sprayer
Application MethodsBroadcast Spray, Spot Treatment
Active IngredientNitrogen 18.0% Available Phosphate 2.0% Soluble Potash 2.0% Copper 0.10% Iron 1.00% Manganese 0.10% Zinc 0.10%
Product TypeFertilizer
FormulationEmulsifiable Concentrate (EC)
Application RateApply 4 fl. oz. (8 Tbsp.) of Monterey Turf Booster 18-2-2 Plus Iron Fertilizer in one gallon of water to treat 1,000 sq. ft. of turf. 
Shelf LifeMonterey Turf Booster 18-2-2 Plus Iron Fertilizer will last for 3 years when stored in a dry, clean area.
Yield32 oz. of Monterey Turf Booster 18-2-2 Plus Iron Fertilizer will cover up to 8,000 sq. ft.
Use SitesOutdoors
Time to KillMonterey Turf Booster 18-2-2 Plus Iron Fertilizer will work instantly.
Comparable ProductsMonterey Turf Booster 18-2-2 RTS Fertilizer
Incompatible Home SidingBrick, Hardie Plank, Stone Veneer, Stucco, Wood, Vinyl
EPA Registration #N/A

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