Scotts DiseaseEx Lawn Fungicide granular 10 lb — protects up to 5,000 sq ft, prevents 26 turf diseases

Scotts DiseaseEx Lawn Fungicide is a granular treatment that prevents and controls 26 common turf diseases, protecting up to 5,000 sq ft per 10 lb bag.

Keep brown patches, powdery mildew, rusts and other fungal problems from spoiling your lawn with a single, easy-to-use product. This granular formula is designed for routine homeowner use and can be applied before symptoms appear or at the first sign of disease. It activates quickly and provides ongoing protection so you can maintain a healthier, more even turf surface between applications.

How quickly will DiseaseEx start protecting my lawn?

After you apply Scotts DiseaseEx, it begins working rapidly—often within the first 24 hours—to interrupt fungal activity. Protection continues over time, reducing new outbreaks and slowing disease development for up to about four weeks per application.

• Visible disease suppression can begin within 24 hours.
• Repeat treatments recommended every 14–28 days for extended protection.
• Timing: apply before symptoms or when conditions favor disease.

Which diseases does this fungicide control on lawns?

Scotts DiseaseEx targets a broad set of turf fungal diseases so one product covers many common problems. It’s labeled for 26 named diseases including various patches, rusts, mildews and molds that commonly affect home lawns.

• Examples: brown patch, powdery mildew, red thread, stem and stripe rust.
• Also controls necrotic ring spot, gray/pink snow mold, anthracnose and more.
• Works on all grass types when applied according to the label directions.

How do I apply DiseaseEx for best results?

Use a Scotts broadcast, rotary, drop or Wizz spreader to ensure even distribution and accurate coverage. Follow the recommended spreader settings for preventative versus curative rates, and water lightly if instructed on the product label to move active ingredients into the turf zone.

• Treats up to 5,000 sq ft per 10 lb bag—measure your yard before applying.
• Scotts broadcast/rotary spreader: 2 ¼ (preventative) or 3 ¾ (curative).
• Scotts drop spreader: 4 (preventative) or 5 ½ (curative); Scotts Wizz: 3 ¼ or 4.

Can I use this product after seeding and how often should I reapply?

Yes—Scotts DiseaseEx can be applied after seeding or at seed germination when label directions allow. For ongoing disease management, reapply on a 14–28 day interval depending on disease pressure and weather conditions.

• Safe after seeding when used as directed on the label.
• Reapplication interval: every 14–28 days as needed.
• Start applications before disease appears for optimal prevention.

Who is this for: Scotts DiseaseEx Lawn Fungicide is aimed at homeowners and DIY lawn keepers who want a single granular product to both prevent and treat a wide range of turf diseases. If you manage a small-to-medium yard (up to roughly 5,000 sq ft per bag), prefer spreader application, and want a fast-acting, repeatable solution to maintain a uniform green lawn, this product fits into routine maintenance schedules without specialized equipment.