The Jack's Classic Lineup

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.
Due to the large volume of recent orders our turnaround times are delayed longer than usual. We are working around the clock to get your plants the nutrients they need. Your order should ship within 3 business days and your Fed Ex tracking # will be emailed to you once your order has shipped. Thanks for your order! 

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Accessories and other Jack's Classic Products



JR Peters, Inc. 

6656 Grant Way,
Allentown, PA, 18106
Toll Free: 866-522-5752


Having trouble?  That’s where we shine.  The lab and manufacturing facility at JR Peters is literally within steps of all of our staff.  We all work together to solve our growers problems and produce the highest quality products.  Our turnaround time for samples is about 3 business days - that means we can get you real answers if and when you run into bumps along the road.