J. R. Peters, Inc.

JR Peters, is proud to offer professional greenhouse growers quality water soluble fertilizer blends designed to efficiently deliver available nutrients in many different growing environments and across various crop types.

The Jack’s Pro line includes 60 stock formulas that were developed from years of testing in our onsite lab and commercial facilities to solve real life problems growers see with today’s plant material. 

Each formula comes in the most efficient powdered form that can be highly concentrated to be compatible with high powdered injector systems.  The quality of raw materials in Jack’s blends form a true solution so you can be sure that all nutrients are readily available in the right ratios for vigorous, high quality plant growth.

Contact us to get started with a water test, and let us help you find the right fertilizer solution for your operation. New to JR Peters? We’ll work with you to develop a plan for success, and help you find a distributor in your area.​

Jack’s Classic is professional grade fertilizer for the home gardener. Feed your plants with the best quality fertilizer to allow for continued plant health over time.

Your plants should look just as good as the pros’ do. That’s why Jack’s Classic is crafted from the exact same ingredients as the stuff that they use. No miracles, no gimmicks just high-quality food for what you’re growing. You can trust real science and proven results that we have found in our professional line to give your plants at home the right nutrients to not only survive – but to thrive.

The Jack’s Classic lineup has what it takes to help you with whatever you’re growing whether that’s flowers, fruits or vegetables. Plus, all formulas are available in many sizes with easy to understand mixing instructions and feeding schedules to help you out from your first houseplant to your backyard farm.