Business Details
50+ Years
experience
Your Trusted Partner for Premium Fertilizer Solutions
JR Peters has been a family-owned leader in fertilizer manufacturing since 1947, rooted in Allentown, Pennsylvania. Our legacy began with Bob Peters' Horticultural Services Company, which pioneered soil testing and crop optimization for greenhouse growers. Today, we continue innovating with our Jack's family of products, including Jack's Classic, Professional, Nutrients, and Elementals lines, designed for home gardeners and commercial horticulturists alike. Our on-site laboratory provides analytical services with 3-business-day turnaround, supporting growers globally with precise nutritional solutions. We combine traditional blending methods with cutting-edge technology to create water-soluble fertilizers that meet evolving agricultural needs.Sustainability drives our operations, from recyclable packaging to a 197kW photovoltaic system generating 30% of our energy. Three generations of the Peters family have shaped our commitment to quality, including Jack Peters' leadership and Dr. Cari Peters' expertise in formulating crop-specific nutrient solutions. Our state-of-the-art manufacturing facility employs local team members with decades of industry experience. We serve diverse markets including controlled environments, cannabis cultivation, and specialty agriculture, offering hundreds of formulations tailored to specific growing conditions. This enduring family tradition makes JR Peters a trusted partner for growers seeking scientifically proven, Made-in-the-USA products.
Services
Jack's Classic Fertilizers
Jack's Professional Blends
Elementals Nutrient Line
Laboratory Testing Services
Custom Formulation Solutions
Details
- Year established: 1947
Highlights and features
- We offer 75+ years of fertilizer formulation expertise
- Family-owned operation with three generations of leadership
- On-site laboratory provides 3-day testing turnaround
- Sustainable manufacturing with solar energy production
- Formulations developed through extensive field research
Services
Jack's Classic Fertilizers
Professional-grade water-soluble fertilizers formulated for home gardeners. These products use the same quality ingredients as commercial formulas to support healthy plant growth. Available in multiple sizes with clear mixing instructions for various plant types.
Jack's Professional Blends
Advanced fertilizer solutions for commercial greenhouse growers. Contains 60 stock formulas developed through extensive lab testing to address specific crop needs. Designed for compatibility with high-powered injector systems while ensuring complete nutrient availability.
Laboratory Testing Services
Comprehensive analytical services for soil, water, and fertilizer samples. Provides accurate nutritional analysis and quality control monitoring with typical 3-business-day turnaround. Supports growers with customizable testing options and technical support.
Jack's Elementals Line
Precision nutrient blends for targeted plant nutrition. Includes single-element formulations like chelated iron and soluble calcium to address specific deficiencies. Designed for professional growers requiring exact nutrient control in controlled environments.
Jack's Nutrients Line
Specialized nutrient solutions for cannabis, hemp, and controlled environment agriculture. Features small-batch blends developed through scientific research to optimize growth in indoor and greenhouse settings while maintaining consistency and reliability.
People
Jack Peters
President Emeritus
Third-generation leader who expanded the company's product line and technical support capabilities. Guided development of Jack's Professional formula and maintained family commitment to quality since the 1990s.
Dr. Cari Peters
Master Crafter & Formulator
Current lead product developer with decades of experience in nutrient formulation. Oversees technical support and laboratory teams while creating innovative solutions for growers' nutritional challenges using scientific research.
John Raymond
President
Third-generation leader who transitioned to company president in 2016. Manages day-to-day operations while maintaining family tradition of quality and innovation in fertilizer manufacturing.
Questions
What makes JR Peters fertilizers different from competitors?
Our fertilizers combine 75+ years of family expertise with scientific research and sustainable practices. We use both traditional and modern blending methods to create precise, high-quality nutrient solutions.
Do you offer products for home gardeners?
Yes, our Jack's Classic line provides professional-grade fertilizers specifically formulated for home use with clear instructions for various plant types.
How quickly can I get lab test results?
Our on-site laboratory typically provides analytical results within 3 business days for soil, water, and nutrient samples.
Are your products environmentally friendly?
We prioritize sustainability through recyclable packaging, energy-efficient operations, and a solar energy system that generates 30% of our facility's power.
Do you support commercial cannabis growers?
Yes, our Jack's Nutrients line offers specialized formulations for controlled environment agriculture, including cannabis and hemp cultivation operations.
Can I purchase directly from JR Peters?
While we primarily work through distributors, select Jack's Elementals products are available for direct purchase through our website.