Jack's Fertilizer

Give yourself peace of mind with high-quality, controlled release fertilizer to grow beautiful, vibrant plants!Key Product FeaturesContains approximately 6lbs of pelleted fertilizerFeeds your plants...

Give your hydroponic setup a solid nutritional foundation to build upon! Key Product Features Jack's Nutrients 5-12-26 Part A features a redesigned blend that is built with purely soluble and...

Get the most from your plants, even at the end of their crop cycles! Key Product Features 7-15-30 Analysis - Promotes a robust plant with a very low nitrogen, high phosphorus and very high potassium...

Give yourself peace of mind with high-quality, controlled release fertilizer to grow beautiful, vibrant plants!Key Product FeaturesFeeds your plants for up to 4 monthsIntended for use on indoor and...

Jack's Classic All-Purpose Plant Food is ideal for everything you grow!Key Product FeaturesJack's Classic 20-20-20 All Purpose Fertilizer is considered the industry standard of general purpose...

Give your hydroponic system a boost and make your plants happy with calcium and magnesium in one bag!Key Product Features15-5-15 Analysis - Comprehensive fertilizer with all the macro and micro...

Jack’s Nutrients is real fertilizer to get you real results.  Key Product FeaturesYou will receive (1) 2.2-pound bag of part A, and (1) 2.2-pound bag of part BDesigned to be used in combination...

Enhance the health of your citrus fruit plants!Key Product Features20-10-20 Analysis - Great for producing vibrant green leaves, strong branches, and more fruit in tropical fruiting plants.Many Ways...

Part two of a complete hydroponic fertilizer system!Key Product Features15-0-0 Analysis - Provides a very soluble and available source of calcium and nitrate nitrogen sources. Works in tandem with...

Give your hydroponic system a boost with Jack's Nutrients!Key Product Features12-4-16 Analysis - This one part nutrient blend is designed for crops grown in very low alkalinity waters such as reverse...

Give your acid-loving plants something they will love!Key Product Features25-5-15 Analysis - Best as a continuous feed for heavy feeding plants in moderate to warm temperatures. Can be used as a...

Mums are a major part of Fall for many gardeners. With Jack's Professional Mum Feed, they can help to ensure that they grow as vibrant and healthy as possible!Key Product Features22-5-16 Analysis -...