Natural Guard Coppersoap Fungicide 32 oz RTU

Natural Guard Copper Soap Liquid Fungicide RTU offers gardeners and small farmers a dependable, ready-to-use solution for preventing and controlling a wide range of plant diseases. Formulated with copper octanoate (copper soap) at 0.08%, this broad-spectrum fungicide is effective against many common fungal and bacterial problems while supporting sustainable and organic growing practices.

Designed for use on roses, fruits, vegetables, and ornamental plants, it provides control of powdery mildew, downy mildew, bacterial leaf and fruit spots, blights (Botrytis), rust, anthracnose, gray mold, and peach leaf curl. The formulation coats plant surfaces evenly, creating a protective barrier that stops disease development while remaining safe to use up to the day of harvest. Ideal for integrated pest management, this OMRI-listed copper soap fungicide helps maintain plant health and productivity season after season.

Explore more plant disease prevention tools in our Weed & Pest Control collection.

• Type: Broad-spectrum copper soap fungicide
• Active Ingredient: Copper Octanoate (copper soap) – 0.08%
• Application: Ready-to-use foliar spray, no mixing required
• Harvest Safety: Can be applied up to and including the day of harvest
• Ideal For: Roses, fruits, vegetables, and ornamental plants
• Size: Quart