{"product_id":"bonide-captain-jacks-lawnweed-brew-32-oz-ready-to-spray-fast-acting-lawn-weed-disease-control","title":"Bonide Captain Jack's Lawnweed Brew — 32 oz Ready-to-Spray, Fast-Acting Lawn Weed \u0026 Disease Control","description":"\u003ch2\u003eSmart lawn care with an iron-based blend\u003c\/h2\u003e\n\u003cp\u003eBonide Captain Jack's Lawnweed Brew is a 32 oz ready-to-spray solution designed to manage a range of lawn concerns. Derived from iron, this selective spray targets common lawn weeds, as well as moss, algae, lichens, and certain lawn diseases, while aiming to spare healthy grass when used as directed.\u003c\/p\u003e\n\u003cp\u003eIn real-world use, you’ll notice treated weeds and related issues respond quickly, with visible changes in the affected patches. The formula emphasizes lawn care that stays focused on problem areas, helping you maintain a greener, more even turf without broad disruption to your lawn ecosystem.\u003c\/p\u003e\n\n\u003ch2\u003eKey benefits at a glance\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSelective control of many common lawn weeds and diseases, including dandelion, clover, moss, plantain, chickweed, and thistle.\u003c\/li\u003e\n  \u003cli\u003eIncludes suppression of diseases such as dollar spot, rust, and snow mold, among others.\u003c\/li\u003e\n  \u003cli\u003eFast-acting results: treated weeds and issues typically brown or black within hours of application.\u003c\/li\u003e\n  \u003cli\u003eFormulated for use on grass lawns; designed to kill certain weeds without harming most grasses when used as directed.\u003c\/li\u003e\n  \u003cli\u003eDerived from iron, a natural nutrient important for plant development and growth.\u003c\/li\u003e\n  \u003cli\u003eEasy hose-end spray application that mixes with water for straightforward outdoor use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat to expect and how to use\u003c\/h2\u003e\n\u003cp\u003eOnce applied, you may see browning or blackening in treated areas within hours as part of the weed, moss, or algae response. This product is designed to act where the issues are concentrated, helping you target patches rather than the entire lawn.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAttach to a garden hose, mix with water, and spray according to the label directions.\u003c\/li\u003e\n  \u003cli\u003eApply to actively growing weeds for best results; avoid treating desirable grasses when not needed.\u003c\/li\u003e\n  \u003cli\u003eFollow the label for rate and timing guidance to maximize effectiveness and minimize any impact on your lawn.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePractical tips for everyday use\u003c\/h2\u003e\n\u003cp\u003eFor best results, treat weed patches during moderate weather and when weeds are actively growing. Since the active ingredient is iron-derived, the product doubles as a plant-friendly nutrient source when used as directed, supporting overall turf health while addressing targeted issues.\u003c\/p\u003e\n\u003cp\u003eNote: This product is designed for selective lawn use and is not intended to replace lawn maintenance or cultural care. Always read label directions and safety information before applying.\u003c\/p\u003e\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Captain Jack's Lawnweed Brew safe for use on all types of grass?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: When used as directed, it targets common weeds and diseases without harming most grasses.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How soon will I see results after applying Captain Jack's Lawnweed Brew?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Treated weeds and issues typically brown or black within hours, with changes continuing as the product dries.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Bonide","offers":[{"title":"Default Title","offer_id":45741324861626,"sku":"B09G93TXSS","price":75.38,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/bonide-captain-jacks-lawnweed-brew-32oz-bottle.jpg?v=1774814430","url":"https:\/\/gardencanada.ca\/products\/bonide-captain-jacks-lawnweed-brew-32-oz-ready-to-spray-fast-acting-lawn-weed-disease-control","provider":"Garden Canada","version":"1.0","type":"link"}