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The Organic Fungicide for Roses and Flowers, RTS by Arber features a brown and white spray nozzle. It protects against diseases like Black Spot, Downy Mildew, and Powdery Mildew, housed in a maroon container. The maroon bottle of Arber Organic Fungicide for Roses and Flowers, RTS comes with a beige and white label and a brown and white spray nozzle. Its ideal for managing powdery mildew in your garden. A bottle of Arber Organic Fungicide for Roses and Flowers, RTS sits on a wooden surface against a blurred green garden. It has a spray nozzle and labels showing its use for treating black spot, powdery mildew, downy mildew, and rust. An Arber Organic Fungicide for Roses and Flowers, RTS bottle is attached to a garden hose among lush greenery and blooming flowers. Its label describes it as effective against plant diseases such as powdery mildew, with yellow and purple flowers visible in the background. A gardener uses the Arber Organic Fungicide for Roses and Flowers, RTS, with a hose attachment to mist their garden. This lush greenery and vibrant flowers benefit from effective powdery mildew control and protection against fungal diseases.
The Organic Fungicide for Roses and Flowers, RTS by Arber features a brown and white spray nozzle. It protects against diseases like Black Spot, Downy Mildew, and Powdery Mildew, housed in a maroon container.

Arber Organic Fungicide for Roses and Flowers, RTS

16 oz

Why we love it

  • Free from thousands of banned ingredients and meets our EU-informed standards.
  • Prevents and treats prevalent garden diseases using only certified organic ingredients.
  • Offers unmatched coverage, treating up to 16,000 sq. ft. with a single bottle.
  • Our fungicide is safe for kids, pets and bees, promoting a healthier environment.

$24.99

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Boost blooming and flowering in your garden with our ready to spray Organic Fungicide for Rose & Flower. This liquid formulation is enriched with a powerful biological plant extract that will effectively control diseases like powdery mildew and black spots, all while leaving no harmful residue on your roses & flowers. With our easy-to-use Organic Fungicide, expect maximum coverage, safety, and protection with minimal effort. (Includes 16oz liquid concentrate and hose-end sprayer)

Key Features:

Flower Fungicide: Prevents and effectively controls powdery mildew, black spot on rose, blight, leaf spot, and more.

Organic Approved: Certified organic ingredients free from harmful synthetic chemicals ensuring safety for kids, pets and bees.

Proven Effective: Over 1,500 agricultural trials have been done on each product to prove efficacy against diseases, and plant health.

Easy To Use: Includes a hose-end garden sprayer for easy application. No mixing required making application fast and easy. Save & reuse with any Arber bottle.

Maximum Coverage: Up to 16,000 sq. ft. coverage, 2-4x more than competitors. Perfect for small to medium-sized gardens and raised beds.

Long-Lasting Disease Control: Naturally shields your plants from the most destructive garden diseases all-year-round

Bacillus: Discovered in a rice field in Northern California, our unique strain of bacteria is called Bacillus. Bacillus are a group of beneficial bacteria that grows over the surface of leaves and roots, creating a protective shield significantly improves soil health, promotes plant growth, and protects plants against diseases and stresses, leading to higher crop yields and better overall plant health.

Full Active Ingredients: Bacillus amyloliquefaciens strain F727* cells and spent fermentation media 96.4%, Other Ingredients 3.6%

Step 1: Attach Sprayer to Hose & Bottle: Connect universal sprayer to hose and concentrate bottle. Sprayer is designed for the optimal mix of water & concentrate.

Step 2: Set Dial & Turn on Hose: Set dial on sprayer to ‘ARBER’, which will deliver Arber Concentrate at the appropriate rate.

Step 3: Spray Flowers & Roses: Spray area thoroughly until dropping wet. Repeat application every 2 weeks, or as needed.

Grove Values

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For a healthier garden and planet.

From sprays to soil supplements, every product is vetted to meet strict ingredient and material standards —  minimizing concerning chemicals and helping reduce outdoor plastic pollution.

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No unwanted additives

Made without synthetic pesticides, phosphates, or petrochemical surfactants

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Go Beyond Plastic™ and microplastics.

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