{"product_id":"covington-proline-18-0-1-npk-liquid-slow-release-lawn-fertilizer-1-gal-high-nitrogen-lawn-food-for-all-grass-types-supports-steady-growth-amp-maintenance-deep-green-turf-builder-concentrate","title":"Covington ProLine 18-0-1 NPK Liquid Slow Release Lawn Fertilizer (1 Gal) – High Nitrogen Lawn Food for All Grass Types – Supports Steady Growth \u0026amp Maintenance – Deep Green Turf Builder Concentrate","description":"\u003cp\u003e- Slow Release High Nitrogen Formula : Packed with 18% nitrogen, this liquid lawn fertilizer delivers consistent feeding for steady, healthy growth. Our slow-release formula minimizes burn risk while supporting long-term turf vitality.\n- Part of a Complete 3-Step Lawn Care Program: Use this product as Step 3 in Covington’s ProLine lawn care system?start with Step 1 (Starter Fertilizer) to boost root growth, follow with Step 2 (High-Nitrogen Fertilizer) for vibrant summer growth, and finish with Step 3 (Maintenance Fertilizer) to sustain deep green color and turf health throughout the season.\n- Steady Growth \u0026amp; Deep Green Results : Designed to enhance turf color and promote chlorophyll production, this high-nitrogen lawn food helps maintain a deep, lush green lawn through the growing season.\n- All-in-One Nutrient Blend : Also contains 1% potash, 1% sulfur, 1.5% iron, 1% humic acid, and 1% kelp to improve soil structure, boost lawn resilience, and support balanced lawn health.\n- Easy Application ? Fast Absorption : Apply with a hose-end sprayer, backpack sprayer, or pump sprayer. This liquid fertilizer mixes easily with water and absorbs quickly into the grass for visible results within days.\n\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"GreenGroove","offers":[{"title":"Default Title","offer_id":51930213548315,"sku":"B0D77CWJLY","price":104.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/3516\/0603\/files\/61IRSWZdw-L._SX522.jpg?v=1774437401","url":"https:\/\/greengroove1.com\/products\/covington-proline-18-0-1-npk-liquid-slow-release-lawn-fertilizer-1-gal-high-nitrogen-lawn-food-for-all-grass-types-supports-steady-growth-amp-maintenance-deep-green-turf-builder-concentrate","provider":"GreenGroove","version":"1.0","type":"link"}