{"product_id":"bonide-captain-jack-copper-fungicide-16-oz-concentrate-organic-approved-broad-spectrum-disease-control","title":"Bonide Captain Jack Copper Fungicide 16 oz Concentrate — Organic-approved, Broad-Spectrum Disease Control","description":"\u003cp\u003e\u003cstrong\u003eBonide Captain Jack Copper Fungicide is a concentrated liquid copper formula designed to prevent and control a broad range of fungal and bacterial plant diseases for organic gardens.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you grow fruits, vegetables, roses, ornamentals or turf and need a versatile, approved-for-organic-use fungicide that can be applied up to the day of harvest, this 16 oz concentrate offers a compact, ready-to-mix solution. Manufactured by Bonide — a trusted brand since 1926 — Captain Jack Copper delivers targeted protection against common garden problems such as powdery mildew, downy mildew, black spot, rust, blight and peach leaf curl. Because it’s a copper-based product, it acts as a protectant when applied correctly and is labeled for a wide range of crops and landscape uses.\u003c\/p\u003e\n\n\u003ch3\u003eHow does Captain Jack Copper protect my plants?\u003c\/h3\u003e\n\u003cp\u003eWhen applied as a foliar spray, the copper particles create a protective barrier on leaves, stems and fruit surfaces that helps reduce infection by many fungal and bacterial pathogens. It works best as a preventative or at the earliest sign of disease rather than as a curative measure for severe, established infections.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eForms a surface barrier to limit pathogen establishment.\u003c\/li\u003e\n  \u003cli\u003eSuitable for many common diseases like black spot and rust.\u003c\/li\u003e\n  \u003cli\u003eBest used on a regular schedule or at first symptom appearance.\u003c\/li\u003e\n  \u003cli\u003eCan be applied up to the day of harvest on labeled crops.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich plants and diseases can I treat with this product?\u003c\/h3\u003e\n\u003cp\u003eCaptain Jack Copper is labeled for use on vegetables, fruits, nuts, herbs, roses, ornamentals and turf, covering a broad spectrum of common garden diseases. Always consult the product label for specific crop-disease combinations and any use restrictions to ensure safe and effective treatment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eControls powdery mildew, downy mildew, rust and black spot.\u003c\/li\u003e\n  \u003cli\u003eListed for blight, peach leaf curl and other foliar diseases.\u003c\/li\u003e\n  \u003cli\u003eAppropriate for both edible and ornamental plants when used per label.\u003c\/li\u003e\n  \u003cli\u003eUseful in home gardens, small orchards and landscape beds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I mix and apply the 16 oz concentrate safely?\u003c\/h3\u003e\n\u003cp\u003eThe product arrives ready-to-mix; follow label dilution rates for the target crop and disease. Apply with a handheld or pump sprayer, ensuring thorough coverage of all plant surfaces, and observe any re-entry and personal protective equipment instructions printed on the label.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMeasure concentrate according to label directions for each crop.\u003c\/li\u003e\n  \u003cli\u003eMix with clean water and agitate before application.\u003c\/li\u003e\n  \u003cli\u003eSpray until foliage and fruit are evenly coated; avoid runoff.\u003c\/li\u003e\n  \u003cli\u003eWear recommended PPE and follow all safety instructions on the label.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre there compatibility or organic-certification considerations?\u003c\/h3\u003e\n\u003cp\u003eCaptain Jack Copper is approved for organic gardening when used according to label directions, making it a practical choice for growers pursuing organic production. Be mindful of tank-mixing compatibility and rotation with other products to avoid phytotoxicity or reduced effectiveness.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eApproved for organic use on labeled crops when used as directed.\u003c\/li\u003e\n  \u003cli\u003eCheck label for tank-mix warnings and surfactant recommendations.\u003c\/li\u003e\n  \u003cli\u003eRotate modes of action where appropriate to manage resistance risk.\u003c\/li\u003e\n  \u003cli\u003eAvoid spraying in extreme heat or on sensitive cultivars without prior testing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Home gardeners, small-scale growers, and landscapers who want a compact, reliable copper-based fungicide for preventive and early-stage disease control will find Bonide Captain Jack Copper Fungicide 16 oz concentrate a practical option. It’s especially useful for those maintaining edible gardens or ornamental beds who need an organic-approved tool they can apply up to harvest day. Read and follow the product label for proper application rates, crop listings, and safety instructions to achieve effective, responsible disease management.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use Captain Jack Copper on vegetables right before harvest?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — when used according to the label, it can be applied up to the day of harvest on labeled edible crops.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this product safe for organic gardens?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — Captain Jack Copper is approved for use in organic gardening when applied as directed on the label.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Bonide","offers":[{"title":"Default Title","offer_id":52908012994872,"sku":"B00BSULSHA","price":61.35,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/6799\/6984\/files\/bonide-captain-jack-front-label.jpg?v=1788542068","url":"https:\/\/kelorix.ca\/products\/bonide-captain-jack-copper-fungicide-16-oz-concentrate-organic-approved-broad-spectrum-disease-control","provider":"Kelorix Canada | Shop Home, Electronics, Beauty, Toys \u0026 More","version":"1.0","type":"link"}