Scotts DiseaseEx Lawn Fungicide Granular, 10 lb — Prevents & Controls 26 Turf Diseases, Treats up to 5,000 sq ft

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

Whether your lawn faces brown patches, powdery mildew, or rust, DiseaseEx delivers a proactive and reactive solution in one product. Formulated for homeowner use and compatible with routine maintenance, this granular fungicide starts reducing disease activity within 24 hours and offers protection that can last up to four weeks per application when used as directed.

How quickly will I see results after applying DiseaseEx?

Scotts DiseaseEx begins to suppress disease activity within 24 hours of application, so you should notice slowing of spread and symptom reduction soon after treatment. Full visual recovery depends on disease severity and turf health, but protection continues for weeks.

• Works within 24 hours to halt active fungal growth.
• Provides up to 4 weeks of residual control per application.
• Reapply every 14–28 days if conditions favor disease recurrence.

Which lawn diseases does this product control?

DiseaseEx is labeled to manage 26 turf diseases commonly found in home lawns. It covers a broad list including brown patch, stripe and stem rusts, red thread, powdery mildew, necrotic ring spot, and several snow molds, making it a versatile defense for many trouble spots.

• Effective against brown patch, pythium blight, and anthracnose.
• Controls rusts, red thread, powdery mildew, and pink or gray snow molds.
• Includes performance on necrotic ring spot and other listed diseases.

How do I apply Scotts DiseaseEx for best coverage?

For even distribution, use a Scotts spreader and follow the specific settings for preventative or curative applications. Coverage and application frequency depend on whether you are treating before symptoms appear or responding to active disease.

• One 10 lb. bag treats up to 5,000 sq. ft. of turf.
• Scotts broadcast/rotary spreader: set 2 1/4 (preventative) or 3 3/4 (curative).
• Scotts drop spreader: set 4 (preventative) or 5 1/2 (curative); Wizz: 3 1/4 or 4.
• Reapply every 14–28 days when conditions promote disease.

Can I use DiseaseEx on new lawns or all grass types?

You can apply DiseaseEx after seeding or at seed germination when instructions allow, and it is safe for all grass types when applied as directed. Always follow label directions for timing, rates, and any restrictions related to newly seeded areas.

• Label permits application at seeding or during germination when specified.
• Suitable for cool- and warm-season grasses with proper use.
• Follow reapplication intervals of 14–28 days if needed.

Who is this for? Homeowners who want a reliable, easy-to-use fungicide to protect and restore lawn appearance will find Scotts DiseaseEx a practical option. It’s designed for people who perform regular lawn care and prefer granular products applied with common spreaders; it’s also useful for those who need both preventative and curative disease control across a wide range of turf diseases.