{"product_id":"corn-gluten-weed-preventer-plus-lawn-food","title":"Jonathan Green Corn Gluten Weed Preventer plus Lawn Food - Natural Pre-Emergent for Crabgrass \u0026 Dandelions up to 5,000 sq ft","description":"\u003ch2\u003eJonathan Green Corn Gluten Weed Preventer plus Lawn Food - Natural Pre-Emergent Weed Control \u0026amp; Lawn Fertilizer\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFeed your lawn and prevent weeds naturally - in one easy application\u003c\/strong\u003e with Jonathan Green Corn Gluten Weed Preventer plus Lawn Food. This \u003cem\u003einnovative 2-in-1 organic-based product\u003c\/em\u003e harnesses the natural weed-suppressing power of corn gluten meal to prevent crabgrass, dandelions, and over 25 other broadleaf and grassy weeds before they germinate - while simultaneously providing gentle feeding and deep greening for a lush, healthy lawn. Safe for children, pets, and the environment.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose Jonathan Green Corn Gluten Weed Preventer?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-in-1 Formula:\u003c\/strong\u003e Prevents weeds AND feeds your lawn in a single application\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNatural Pre-Emergent:\u003c\/strong\u003e Corn gluten meal naturally inhibits weed seed germination\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents 25+ Weeds:\u003c\/strong\u003e Controls crabgrass, dandelions, and over 25 broadleaf and grassy weeds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGentle Lawn Feeding:\u003c\/strong\u003e Provides slow-release nitrogen for deep, lasting green color\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafe for Children \u0026amp; Pets:\u003c\/strong\u003e Natural corn-based formula - no harsh synthetic chemicals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBetter for the Environment:\u003c\/strong\u003e Eco-friendly alternative to synthetic pre-emergent crabgrass preventers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile:\u003c\/strong\u003e Use on lawns, flower gardens, and planting beds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenerous Coverage:\u003c\/strong\u003e Covers up to 5,000 square feet per bag\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrusted Brand:\u003c\/strong\u003e Jonathan Green's century-long commitment to lawn care excellence\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Jonathan Green\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Corn Gluten Weed Preventer plus Lawn Food\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoverage:\u003c\/strong\u003e Up to 5,000 square feet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActive Ingredient:\u003c\/strong\u003e Corn gluten meal (natural pre-emergent)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Natural pre-emergent weed preventer + lawn fertilizer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeeds Controlled:\u003c\/strong\u003e Crabgrass, dandelions, and 25+ broadleaf and grassy weeds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication Timing:\u003c\/strong\u003e Early spring (March-early May); up to 4 times per year\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow Corn Gluten Works as a Natural Pre-Emergent\u003c\/h3\u003e\n\u003cp\u003eCorn gluten meal is a \u003cstrong\u003enatural byproduct of corn processing\u003c\/strong\u003e that inhibits weed seed germination through a unique mechanism:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReleases natural dipeptides that inhibit root formation in germinating weed seeds\u003c\/li\u003e\n\u003cli\u003ePrevents weed seeds from establishing roots after germination\u003c\/li\u003e\n\u003cli\u003eWorks on seeds that have not yet germinated - must be applied BEFORE weeds sprout\u003c\/li\u003e\n\u003cli\u003eDoes not affect established plants - safe to use around existing lawn grass, flowers, and shrubs\u003c\/li\u003e\n\u003cli\u003eBreaks down naturally in the soil, adding organic matter and nitrogen\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWeeds Prevented\u003c\/h3\u003e\n\u003cp\u003eJonathan Green Corn Gluten prevents \u003cstrong\u003eover 25 common lawn and garden weeds\u003c\/strong\u003e including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrassy Weeds:\u003c\/strong\u003e Crabgrass (large and smooth), foxtail, barnyard grass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroadleaf Weeds:\u003c\/strong\u003e Dandelions, chickweed, clover, purslane, lamb's quarters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOther Common Weeds:\u003c\/strong\u003e Pigweed, velvetleaf, and many more annual weeds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: Works as a pre-emergent only - will not kill existing established weeds.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eDual-Action Lawn Feeding\u003c\/h3\u003e\n\u003cp\u003eBeyond weed prevention, corn gluten meal is a \u003cstrong\u003enatural nitrogen fertilizer\u003c\/strong\u003e that:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eContains approximately 9-10% nitrogen by weight\u003c\/li\u003e\n\u003cli\u003eProvides slow, gentle release of nitrogen to lawn grass\u003c\/li\u003e\n\u003cli\u003ePromotes deep, rich green color without excessive growth spurts\u003c\/li\u003e\n\u003cli\u003eBuilds soil organic matter over time with repeated applications\u003c\/li\u003e\n\u003cli\u003eSupports beneficial soil microbial activity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplication Timing - Critical for Success\u003c\/h3\u003e\n\u003cp\u003eTiming is \u003cstrong\u003eessential for effective pre-emergent weed control\u003c\/strong\u003e. Apply before weed seeds germinate:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Spring Application:\u003c\/strong\u003e March through early May - before soil temperatures reach 55°F (when crabgrass germinates)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoil Temperature Tip:\u003c\/strong\u003e Apply when forsythia is in bloom - a reliable natural indicator that crabgrass germination is imminent\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLate Spring Application:\u003c\/strong\u003e Late May for continued weed suppression\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEarly Fall Application:\u003c\/strong\u003e September for fall weed prevention\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLate Fall Application:\u003c\/strong\u003e October-November for overwintering weed suppression\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Applications:\u003c\/strong\u003e Up to 4 times per year for improved weed control and greening\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow to Apply\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalculate Coverage:\u003c\/strong\u003e Measure your lawn area; one bag covers up to 5,000 square feet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTiming:\u003c\/strong\u003e Apply in early spring before weeds germinate (March-early May)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Use a broadcast or drop spreader for even coverage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWatering In:\u003c\/strong\u003e Water thoroughly after application to activate the corn gluten and move it into the soil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDry Period:\u003c\/strong\u003e Allow soil to dry out for 2-3 days after watering in for best results\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRepeat:\u003c\/strong\u003e Reapply up to 4 times per year for maximum weed control and lawn feeding\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eSafe for Children, Pets \u0026amp; the Environment\u003c\/h3\u003e\n\u003cp\u003eJonathan Green Corn Gluten is \u003cstrong\u003esignificantly safer than synthetic pre-emergent herbicides\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMade from natural corn - a food-grade byproduct\u003c\/li\u003e\n\u003cli\u003eNo synthetic herbicides or harsh chemicals\u003c\/li\u003e\n\u003cli\u003eSafe for children and pets to re-enter treated areas\u003c\/li\u003e\n\u003cli\u003eBetter for the environment than conventional pre-emergent crabgrass preventers\u003c\/li\u003e\n\u003cli\u003eBreaks down naturally without leaving persistent chemical residues\u003c\/li\u003e\n\u003cli\u003eSupports soil health rather than depleting it\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse in Flower Gardens \u0026amp; Planting Beds\u003c\/h3\u003e\n\u003cp\u003eUnlike many pre-emergent herbicides, Jonathan Green Corn Gluten can be \u003cstrong\u003esafely used in flower gardens and planting beds\u003c\/strong\u003e to prevent annual weed seeds from germinating around established plants - making it a versatile tool for the entire landscape.\u003c\/p\u003e\n\n\u003ch3\u003eTips for Best Results\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eApply BEFORE weeds germinate - this is a pre-emergent, not a post-emergent weed killer\u003c\/li\u003e\n\u003cli\u003eWater in thoroughly after application, then allow to dry\u003c\/li\u003e\n\u003cli\u003eEffectiveness improves with repeated annual applications as organic matter builds in soil\u003c\/li\u003e\n\u003cli\u003eDo not overseed or seed new grass within 4-6 weeks of application (corn gluten inhibits all seed germination)\u003c\/li\u003e\n\u003cli\u003eCombine with Jonathan Green's lawn care program for best overall results\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAbout Jonathan Green\u003c\/h3\u003e\n\u003cp\u003eJonathan Green has been a \u003cstrong\u003etrusted name in lawn and garden care for over 100 years\u003c\/strong\u003e, providing premium grass seed, fertilizers, and lawn care products backed by generations of expertise and a commitment to beautiful, healthy, environmentally responsible lawns.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eOrder Jonathan Green Corn Gluten Weed Preventer plus Lawn Food today\u003c\/strong\u003e and prevent crabgrass, dandelions, and 25+ weeds naturally while feeding and greening your lawn - safe for children and pets, better for the environment, covering up to 5,000 square feet!\u003c\/p\u003e","brand":"Jonathan Green","offers":[{"title":"Default Title","offer_id":39429959155889,"sku":"5488","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1659\/9117\/files\/Corn_Gluten_Weed_Preventer.png?v=1777513578","url":"https:\/\/www.cfhydroponics.com\/products\/corn-gluten-weed-preventer-plus-lawn-food","provider":"CF Hydroponics","version":"1.0","type":"link"}