Monterey Liqui-Cop®

Monterey Liqui-Cop® is a broad-spectrum copper fungicide that protects citrus, fruits, nuts, vegetables, and ornamentals against a wide range of fungal and bacterial diseases. Copper fungicides are one of the most trusted and widely used tools in disease management — proven effective, OMRI-listed for organic use, and applicable across virtually every plant category in the home garden and orchard.

Prevention Is the Key — Apply Before Disease Strikes

The single most important thing to understand about copper fungicides is that they work preventatively, not curatively. Liqui-Cop® works by coating plant surfaces before infection occurs, forming a protective barrier that prevents fungal and bacterial spores from taking hold. Once a disease is established, copper cannot reverse existing damage — early and regular application is what makes the difference. Apply before wet weather, when disease pressure is expected, and maintain coverage throughout the season.

Rate Guidance for Best Results

Liqui-Cop® gives you flexibility across varying conditions. Use the higher indicated rate when disease incidence is high or when heavy rainfall and warm temperatures create elevated infection risk. The lower rate is appropriate for general preventive applications under normal conditions. Because weather and disease pressure vary by region and season, consulting your local Agricultural Extension Service for timing recommendations specific to your area is always worthwhile.

Why Growers Choose Monterey Liqui-Cop®

• Broad-spectrum coverage — protects citrus, fruits, nuts, vegetables, and ornamentals
• Copper Ammonium Complex formula — 27.15% active ingredient for reliable disease control
• Preventative protection — must be applied before infection for best effectiveness
• Flexible rate application — adjust dosage based on disease pressure and conditions
• Trusted copper fungicide chemistry — one of the most proven tools in disease management

Always read the entire label before use.

Download The Label