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Start your lawn off right with Growth Booster, a high-phosphorus fertilizer! Growth Booster lawn fertilizer contains the essential macronutrients to help get your new lawn established into a thicker, fuller, envy-worthy lawn! This starter fertilizer is great for seeding and establishing brand-new sod, as its star ingredient is Phosphorus, which is essential for strong plants and roots. Use this liquid lawn fertilizer with humic acid to establish a new lawn or maintain your current lawn. Growth Booster is a phosphorus fertilizer energized with Humic Acid. Our Humic Acid is derived from what is considered to be the highest quality humate source available, Leonardite. Our humic acid is obtained via a proprietary extraction method versus made from soluble powder making it a very pure and active form. Who Should Use This Product? Simple Lawn Solutions' Growth Booster is best to be used... As a seed fertilizer when establishing your lawn with seed If your lawn is deficient in nitrogen or phosphorus To improve micronutrient uptake Nutrients Nitrogen 6% Nitrogen is the mineral element used in the greatest quantity by turf. Nitrogen is a component of many of the biochemical constituents of plants, including chlorophyll, amino acids, proteins, and enzymes. The addition of Nitrogen encourages ideal conditions for a dense attractive lawn. Phosphorus 18% The proper phosphorus level in your grass is essential for root and early plant development. Its primary role is in the storage and transfer of energy. Without sufficient P, normal growth and development cannot occur. Phosphorus effects on turf are usually more subtle and, while not as readily visible, are still very important. Features Phosphorus: Excellent for Establishing New sod or seed Nitrogen: Encourages a thicker, greener lawn Encourages Nutrient Uptake: Promotes the transfer of nutrients Treats Nitrogen & Phosphorus nutrient deficiencies Coverage: Covers 3,200 square feet Grass Types: Can be used on all grass types Unique & proprietary formula Fast-acting liquid nutrients Ready-to-use sprayer application Proudly made in the USA Info For best results, water the lawn for 20 minutes within 24 hours of application. Water is essential for maintaining your lawn, and your lawn should receive 1-2 inches of water per week. Fertilizer will not treat a lawn suffering from disease, pests, weed infestations, or drought, and these conditions should be treated separately. This fertilizer contains Phosphorus and may not be used for lawn maintenance on turf in Maryland, Michigan, New Jersey, New York, and Virginia except when 1) Providing nutrients to specific soils and target vegetation as determined to be necessary in accordance with a soil test that was conducted by a laboratory* performed no more than 3 years before the application. 2) Establishing vegetation for the first time, such as after land disturbance, provided the application is conducted in accordance with the recommended application rates established by the state. 3) Re-establishing or repairing the turf area. *In Maryland, the soil testing laboratory must be identified under Section 8-803.7 of the Agriculture Article, Annotated Code of Maryland. Shipping Notice: We are temporarily unable to fulfill our products in the following states: Alaska Hawaii Puerto Rico
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🇺🇸 Ship from USA · On Agora since 2026
$25.99