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Fertilome F-Stop Lawn & Garden Fungicide RTS

Fertilome F-Stop Lawn & Garden Fungicide RTS is a powerful ready to spray fungicide that helps prevent and control plant diseases on flowers, vegetables, and lawns.
As low as $26.64
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Fertilome F-Stop Lawn and Garden Fungicide RTS
Min : 26.64 - Max : 26.64
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Price as of
09/17/25
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Fertilome F-Stop Lawn & Garden Fungicide RTS, manufactured by VPG, is an excellent and long-lasting fungicide that effectively controls plant diseases such as leaf spot and summer patch from residential ornamentals, berries, and more.

This ready-to-spray concentrate is rainproof after 2 hours of drying and safe to use in various crop seasons, providing an innovative solution to any future or current fungi infestations.

F-Stop Lawn & Garden Fungicide RTS is an easy-to-use fungicide designed to attach to a garden hose for preventative and curative measures in areas as large as 1,500 sq. ft.

Tools Needed

To use Fertilome F-Stop Lawn & Garden RTS, you will need an outdoor garden hose to attach it to.

How to Use

  • Step 1: Determine how much to use by measuring the square footage of the treatment area. To do this, measure the length and width of the treatment area in feet, then multiply them together (length X width = square footage). For lawn applications, apply 1 quart of F-Stop per 1500 sq. ft. of lawn area. Do not apply more than 16 treatments per year for lawns. Do not apply more than 4 times per year for asparagus. Refer to the label for specific application restrictions for the area you wish to treat.
  • Step 2: Shake well before connecting it to the hose. Connect the product sprayer to the hose, then turn on the water.
  • Step 3: To begin spraying, point the nozzle in the direction you want to spray. Bend the small plastic tab back and turn the knob clockwise to the ON position. Spray the product evenly until all plant surfaces are wet to the point of runoff, including the top and bottom of leaves. Refer to the clear view strip (graduated scale) on the side of the container to determine how much product has been sprayed. Treat once every 2 weeks on ornamental shrubs and flowers throughout the growing season until diseases are no longer present. Treat roses once every 7 to 10 days if black spot is present.

Where to Use

Fertilome F-Stop Lawn & Garden RTS can be used on listed roses, flowers, shrubs, berries, fruits, nuts, vegetables, and lawns.

When to Use

Spray F-Stop RTS before diseases appear or when first noticed on foliage. Make applications in the early morning or evening calm when temperatures are below 90 degrees Fahrenheit and rain is not expected for the next 24 hours.

Start applications on lawns when they begin to turn green in the spring or when signs of disease are present.

Safety Information

Fertilome F-Stop Lawn & Garden RTS 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 applying this product.

Do not allow people or pets to contact treated areas until the spray has dried.

Special Considerations

Use with care on Ferns, Palms and Fuchsia. As with all plants, especially Carnations, Chrysanthemums and Roses, there are a wide variety of species; consequently, a wide variety of susceptibility to injury.

This product is for outdoor residential use only.

AvailabilityOnline
Restricted UseNo
Shipping Restrictions32 Ounce: AK, CA, CT, HI, IA, IN, KY, MA, MD, ME, MI, MT, ND, NH, NY, OR, RI, SC, VT, WI
BrandVPG
Keith's Pro Tips"Be sure to remove and dispose of fallen plant parts to prevent the spread of fungas. Keep disposed plant materials in an outdoor garbage bin."
Product DrawbacksFertilome F-Stop Lawn & Garden Fungicide RTS will injure plants when applied in weather above 90 degrees Fahrenheit.
Target PestsAnthracnose, Brown Rot, Black Rot, Blossom Blight, Brown Patch, Cercospora Leaf Spot, Crown Rot, Fusicladium Scab, Powdery Mildew, Septoria Leaf Spot, Zonate Leaf Spot, Fusarium Blight, Fusarium Patch (Pink Snow Mold), Gray Leaf Spot, Rust, Summer Patch, Dollar Spot, Red Thread, Melting Out, Copper Spot, Shothole, Necrotic Ring Spot, Orange Rust, Leaf Blight, Leaf Rust, Leaf Smut, Yellow Rust, and Petal Blight.
Application EquipmentGloves
Application MethodsBroadcast Spray, Spot Treatment
Active IngredientMyclobutanil 1.0%
Product TypeFungicide
FormulationReady-To-Use
Application RateFor lawn applications, apply 1 quart of Fertilome F-Stop Lawn & Garden RTS per 1500 sq. ft. of lawn area.
Shelf LifeTurn the Fertilome F-Stop Lawn & Garden Fungicide RTS nozzle to “Off” position. This product will last up to 3 years when stored in a cool, dry area away from heat or open flame.
Yield32 oz. of Fertilome F-Stop Lawn & Garden Fungicide RTS will cover up to 1500 sq. ft.
Use SitesOutdoors
Time to KillFertilome F-Stop Lawn & Garden Fungicide RTS will treat diseases within a week and continue to protect foliage for up to 4 weeks.
Comparable ProductsFertilome F-Stop Lawn & Garden Fungicide
EPA Registration #7401-505
More Information
Restricted Use No
Shipping Restrictions AK, CA, CT, HI, IA, IN, KY, MA, MD, ME, MI, MT, ND, NH, NY, OR, RI, SC, VT, WI
Availability Online
Signal Word CAUTION
Keith's Pro Tip "Be sure to remove and dispose of fallen plant parts to prevent the spread of fungas. Keep disposed plant materials in an outdoor garbage bin."
Target Pests Multi Anthracnose, Black Rot, Blossom Blight, Brown Patch, Brown Rot, Cercospora, Copper Spot, Crown Rot, Dollar Spot, Fusarium Blight, Fusarium Patch, Fusicladium Scab, Gray Leafspot, Leaf Blight, Leaf Rust, Leaf_Smut, Melting Out, Necrotic Ring Spot, Orange Rust, Petal Blight, Pink Snowmold, Powdery Mildew, Red Thread, Rust, Septoria Leaf Spot, Shothole, Summer Patch, Yellow Rust, Zonate Leaf Spot
Time to Kill Fertilome F-Stop Lawn & Garden Fungicide RTS will treat diseases within a week and continue to protect foliage for up to 4 weeks.
Chemical Type Fungicide
Formulation Ready-To-Use
Application Methods Broadcast Spray, Spot Treatment
Product Drawbacks Fertilome F-Stop Lawn & Garden Fungicide RTS will injure plants when applied in weather above 90 degrees Fahrenheit.
Active Ingredient Myclobutanil 1.0%
Application Equipment Gloves
Mix Rate For lawn applications, apply 1 quart of Fertilome F-Stop Lawn & Garden RTS per 1500 sq. ft. of lawn area.
Use Sites Outdoors
Yield 32 oz. of Fertilome F-Stop Lawn & Garden Fungicide RTS will cover up to 1500 sq. ft.
EPA Registration No. 7401-505
Shelf Life Turn the Fertilome F-Stop Lawn & Garden Fungicide RTS nozzle to “Off” position. This product will last up to 3 years when stored in a cool, dry area away from heat or open flame.
Comparable Products Fertilome F-Stop Lawn & Garden Fungicide
Children or pets? No
Property Characteristics None

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