20 Best Fungicide For Powdery Mildew (2023 Updated)

The Organocide Plant Doctor is an earth-friendly broad-spectrum disease control and preventative for use on turf, fruit trees, vegetables, ornamentals, and flowers. Plant Doctor prevents and controls a myriad of plant diseases, including those that cause root rot, leaf and stem blights, leaf spots, and many others.

With it being a systemic fungicide product, this can be used via foliar or root application and will work its way throughout the entire plant to prevent disease and attack existing disease above and below the ground.

Once inside the plant, Plant Doctor increases plant metabolism, so plants grow faster, blooms more, and have an increased yield while providing a nutritional boost of potassium and phosphorus, essential nutrients for plant growth.

With 1-quart of liquid, you’ll have enough to ensure your outdoor areas are looking superior. Prevent plant diseases with a simple application with 1 quart of the Organocide Plant Doctor Systemic Fungicide by Organix Laboratories.

Controls many diseases on roses shrubs flowers vegetables fruit and shade trees. Control diseases such as leaf spots rust blights fruit rots mildew scab fungus and other diseases. Use as little as 1-1/2 teaspoons per gallon.

Mixes readily with water. Best applied with a tank-type sprayer. Highly recommended to add a spreader-sticker to the spray mix for better adhesion/coverage on the plant leaf. Made in the usa.

A specially prepared micronic sulfur suitable for use as a dust or spray. The fine particle size gives better coverage, adhesion and disease control. This product controls a large number of diseases on fruits, vegetables and various ornamentals.

Approved for organic gardening. Now labeled for chiggers. A specially prepared micronic sulfur suitable for use as a dust or spray. The fine particle size gives better coverage, adhesion and disease control.

This product controls a large number of diseases on fruits, vegetables and various ornamentals. Approved for organic gardening. Now labeled for chiggers.

Immunox multi-purpose fungicide prevents and stops fungus growth. Use on roses flowers trees lawns. Systemic action means once applied- it works from within the plant. Cannot be washed off by rain.

Scotts Lawn Fungicide – Scotts lawn fungicide featuring systemic action formula. Use any time on any lawn to prevent or control listed lawn diseases. Controls brown patch, dollar spot, and other common lawn diseases.

Suppresses fusarium blight, necrotic ring spot, and summer patch. Does not contain fertilizer. Apply from April to September.

Copper Fungicide. Copper Sulfate 7. 0% for controlling early, and late blight, leaf spots, downy mildew, anthracnose, and certain other fungal diseases on various vegetables, flowers, ornamentals, and fruits.

Formula will not burn plants. Contains Copper Octanoate, which is a Copper salt combined with a naturally occurring fatty acid. Comes in an easy-to-use bottle.

For controlling early and late blight, leaf spots, downy mildew, anthracnose and other fungal diseases on various vegetables, flowers, ornamentals and fruit. Won’t burn plants.

Designed to kill and control diseases, mold and fungi on vegetables, fruit trees, roses, turf, ornamentals, and shrubs. Provides protection against powdery mildew, rust, black spot, peach leaf curl, shot hole, leaf blotch, scab, dollar spot, brown rot, fusarium blight, botrytis, downy mildew, scab anthracnose, phytophthora blight and other plant diseases.

The unique combination of natural ingredients works to kill immediately, yet controls diseases for weeks. OMRI listed for organic use. May be used on edible crops up to the day of harvest because it contains no synthetic ingredients.

Can be used indoors and outdoors.

A broad spectrum fungicide for use on a wide variety of vegetables and ornamentals. Controls leaf spot, downy mildew, blights, anthracnose, botrytis and other listed diseases. Use 2-5 teaspoons/g.

It controls, stops, and prevents over 75 diseases on flowers, vegetables, shrubs, fruit and shade trees. Mix with water as directed and apply with a sprayer to control leaf spots, rust, blights, fruit rot, mildew and many other diseases.

For outdoor, residential use only. Concentrated formula is ready to mix with water. A simple squeeze of the bottle measures the perfect amount for use. Concentrated formula can make up to 64 gal fungicide.

An easy-to-use, multi-purpose fungicide. This wettable powder combines with water* to make a spray that controls fungal diseases like scab, brown rot, leaf spot, downy mildew, black spot, and more. For use on fruit trees, grapes, blueberries, strawberries, roses, and ornamental grasses.

Do not use in combination with, or closely following, oil spray applications. Mix ratio varies by plant or tree type. Follow label directions for specific application information.

Bonide’s Copper Fungicide is ready-to-use and contains copper sulfate 7%. For controlling early & late blight, leaf spots, downy mildew, anthracnose & certain other fungal diseases on various veggies, flowers, ornamentals & fruits.

Won’t burn plants.

Sulfur Plant Fungicide A specially prepared micronic sulfur suitable for use as a dust or spray. The fine particle size gives better coverage, adhesion, and disease control. This product controls a large number of diseases on fruits, vegetables, and various ornamentals.

Approved for organic gardening.

Propiconazole 14. 3 is a very popular broad-spectrum fungicide. Propiconazole treats a large swath of diseases including red thread, snow mold, brown patch, and dollar spot among others. Most of the common diseases found in a lawn can be treated preventively or curatively with propiconazole, and in a very affordable and effective manner with Propiconazole 14.

3. A generic formulation of Banner Maxx, Propiconazole 14. 3 has become a go-to choice to try first when dealing with easy to control turf diseases.

Infuse Systemic Disease Control, Fungicide Concentrate (16… condition: New Brand: BonideMPN: 148

This power packed systemic fungicide provides protection and cures. Because Bonide’s Infuse Concentrate is a systemic, it will not wash off with rain or irrigation. It lasts up to 4 weeks. TARGET PESTBlack spot, dollar spot, rust, brown patch, powdery mildew, leaf spot, and more foliage diseases listed on the label.

BONIDE 16 oz Liquid Copper Fungicide Ready-To-Use controls plant diseases such as, powdery mildew, downy mildew, black spot, peach leaf curl, rust, and other listed diseases. Perfect for use on vegetables, roses, fruits, nuts, herbs, ornamentals, and turf.

Approved and suitable for all of your organic gardening needs. The active ingredient of Liquid Copper is Copper Octanoate, or Copper Soap. Copper makes a great option for use on all of your plants. This product is conveniently ready to use when it arrives.

The spray nozzle makes this product easy to deploy and can be used up to the day of harvest.

Patch Pro Fungicide is a systemic fungicide that contains the active ingredient Propiconazole and is designed to get rid of a broad spectrum of harmful and unsightly diseases on plants and lawns. Patch Pro controls many fungi and diseases such as brown patch, powdery mildew, and blight.

Control challenging diseases longer with this natural bio fungicide. Protects against fungus, mold, mildew, and rot using Mother Nature’s good bacteria. Say goodbye to disease on your leaves and in your soil and hello to stronger plants, both indoor and outdoor.

Use on your vegetables, roses, fruits, berries, nuts, flowers, foliage houseplants, ornamental trees, and shrubs.

Fight back against powdery mildew, leaf spot, anthracnose and gray mold on your fruit and vegetable plants as well as ornamental plants and shrubs. For organic gardening, the active ingredient in Garden Sentinel is a naturally occurring bacteria.

This broad spectrum preventative biofungicde/bactericide controls or suppresses fungal and bacterial plant diseases. It can be used up to and including the day of harvest. It’s now available in concentrate and ready-to-use formulas.

For the concentrate, mix 1 tsp. of concentrate with 1 gallon of water. Spray just enough to wet all leaves and fruit with minimal run-off or dripping. 16 oz. of concentrate makes 96 gallons of spray.

The ready-to-use formula requires no mixes or sprayer. Spraying can be repeated every 7-10 days or as needed. Product Label.