Organic Arber Bio Fungicide Concentrate

Protect your plants from fungal and bacterial threats with this powerful biological fungicide. Arber Bio Fungicide Concentrate uses beneficial microbes to create a protective barrier on plant surfaces while stimulating the plant’s immune response—resulting in stronger, healthier growth without the use of synthetic chemicals.

This OMRI-listed product is safe for organic gardening and ideal for a wide variety of plants, including edibles and ornamentals. It's a smart, sustainable choice for gardeners practicing preventative care or tackling active infections.

• Active Ingredient: Bacillus amyloliquefaciens strain F727 (96.4%)
• Benefits: Controls and prevents blight, powdery mildew, rust, leaf spot, downy mildew, white mold, and more
• Use On: Vegetables, herbs, fruits, ornamentals, and houseplants
• How It Works: Colonizes plant surfaces and outcompetes harmful pathogens while inducing systemic resistance
• Application Rate: Mix 0.25 oz per 32 oz of water or 1–2.5 oz per gallon. Reapply every 10–14 days (maintenance) or every 5–7 days (active outbreaks)

For more organic options, shop our Organic Disease Control Collection or browse additional natural treatments in our Botanical Fungicides category.