Best Fungicides for Effective Dollar Spot Control on Lawns

Dollar spot is a common lawn disease that can quickly damage the health and appearance of your grass. Using the right fungicide is essential for preventing and controlling this fungal infection. Below is a summary of top fungicides designed to target dollar spot and other common lawn diseases effectively.

Product Brand Key Features
BioAdvanced Fungus Control for Lawns, Ready-to-Spray BioAdvanced Cures and prevents multiple lawn diseases; rainproof; systemic action
Atticus Gunner 14.3 MEC Propiconazole Fungicide (32 OZ) Atticus Broad-spectrum; easy to mix; rain-resistant after drying
Scotts DiseaseEx Lawn Fungicide, 10 lbs. Scotts Controls 26 lawn diseases; fast action; effective up to 4 weeks
Atticus Gunner 14.3 Fungicide (1 Gal) Atticus Contains propiconazole; stable MEC formula; weather resistant
Atticus Gravex 20 EW Fungicide (16 oz) Atticus Myclobutanil active ingredient; curative and preventive; broad spectrum

BioAdvanced Fungus Control for Lawns Ready-to-Spray

BioAdvanced Fungus Control for Lawns

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The BioAdvanced Fungus Control is designed to cure and prevent various lawn diseases, including dollar spot, red thread, brown patch, and rust. Its systemic formula is absorbed by the grass, providing rainproof protection that will not wash away after application. This ready-to-spray fungicide offers user-friendly application combined with effective control, making it ideal for homeowners who want fast-acting treatment that penetrates the plant for long-lasting defense.

Atticus Gunner 14.3 MEC Propiconazole Fungicide

Atticus Gunner 14.3 MEC Propiconazole Fungicide

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This product contains 14.3% propiconazole, a trusted active ingredient used by professionals to target more than 20 lawn fungi including dollar spot. The microemulsion concentrate (MEC) formula ensures the fungicide mixes easily and remains stable in the tank without separating. Once dry, it is resistant to rain wash-off, providing reliable disease control even during unpredictable weather. It is also compatible with many other fungicides for custom treatment options.

Scotts DiseaseEx Lawn Fungicide for Wide Disease Control

Scotts DiseaseEx Lawn Fungicide

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Scotts DiseaseEx lawn fungicide is formulated to control and prevent 26 lawn diseases including dollar spot, brown patch, rusts, and pink patch. It acts quickly, starting to work within 24 hours, and offers protection for up to four weeks. This product covers up to 5,000 square feet, making it suitable for larger lawn areas and effective at stopping disease before damage worsens.

Atticus Gunner 14.3 Fungicide 1 Gallon for Lawn Disease

Atticus Gunner 14.3 Fungicide 1 Gallon

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This one-gallon fungicide version also contains the same 14.3% propiconazole formulation used by professionals for over 20 lawn fungal diseases. Thanks to its MEC formula, it offers easy mixing, tank stability, and resistance to rain wash-off once sprayed. This product allows for larger volume treatments, ideal for maintaining extensive lawn areas with reliable broad-spectrum fungus protection.

Atticus Gravex 20 EW Myclobutanil Systemic Fungus Control

Atticus Gravex 20 EW Fungicide

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Gravex 20 EW features 19.7% myclobutanil, providing both curative and preventive fungus control. It is comparable to Eagle 20EW and delivers persistent treatment against dollar spot and over 38 other fungi affecting turfgrass and ornamentals. This systemic fungicide penetrates plant tissue for lasting disease resistance, making it a powerful tool for comprehensive lawn fungus management.

Buying Guide for Dollar Spot Fungicides

Selecting the best fungicide for dollar spot involves considering several key factors to ensure effective disease management and lawn health.

Active Ingredient

Look for fungicides that contain proven active ingredients such as propiconazole or myclobutanil. These systemic fungicides penetrate plant tissue, offering both curative and preventive protection. Products containing these ingredients tend to have a broad-spectrum effect against multiple lawn diseases alongside dollar spot.

Formulation and Application

Choose formulations that are convenient and compatible with your spraying equipment. Ready-to-spray products offer ease of use for homeowners, while microemulsion concentrates (MEC) provide better mix stability and flexibility for tank mixing. Confirm whether rain resistance is stated on the product to prevent wash-off and maintain efficacy after watering or rain.

Coverage Area and Frequency

Consider the size of your lawn when selecting product quantity and coverage. Some powders cover large areas and provide long-lasting control (around 4 weeks), while liquids or concentrates may require more frequent applications. Follow label instructions for treatment intervals to optimize disease prevention.

Disease Spectrum

While your primary target is dollar spot, choose fungicides that also control other common lawn diseases like brown patch, rust, and red thread for broader protection. A product with multi-disease control capabilities enhances lawn resilience and reduces the risk of repeated infections.

Environmental and Safety Factors

Read labels for safety instructions and environmental impact. Some fungicides are safe for use around children and pets once dry, but precautions should be taken during application. Also, select products that comply with local regulations and environmental guidelines to promote responsible lawn care.

By reviewing these aspects, you can confidently select the most appropriate fungicide to maintain a healthy, lush lawn free from dollar spot and related fungal diseases.