Melvin Weaver & Sons
Family-owned Lancaster, Pennsylvania distributor of crop protection, nutrition, and specialty agricultural products serving growers and retailers across the northeastern United States since 1975.
Last updated September 29, 2026
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Overview
Melvin Weaver & Sons is a family-owned wholesale distributor of agricultural crop protection and nutrition products headquartered in Lancaster, Pennsylvania. The business traces its origins to 1972, when Melvin Weaver, then working for a local company selling smoked meats and cheeses, became a distributor for the Conklin Company and its surfactant product Wex. Demand from agricultural customers for companion chemicals led him to source additional products, laying the foundation for what became Melvin Weaver Spray Materials. In 1975 Weaver left the food business to sell agricultural products full time, initially operating out of a 53-foot trailer used as a warehouse. As inventory grew he added a second and then a third trailer, and in 1977 the company moved to Leabrook Road in Lancaster, where a 36-by-60-foot warehouse was built. The company today equips growers and independent retailers with crop protection products for weeds, insects, and diseases; crop nutrition products for row crops and vegetable production; aquatic products for algae and weed control in water supplies and ponds; greenhouse and nursery products; OMRI-certified organic products; turf and ornamental products for homeowners and landscapers; vegetation management products for businesses, roadsides, and railways; and range and pasture products for forage protection. Its tagline emphasizes "Better health. Better growth. Better yields." Beyond product distribution, Melvin Weaver & Sons provides agronomic services including tailored product recommendations for row crops, fruits, and vegetables grown in the Northeast, financing programs (MW Financing, John Deere Credit, and TruChoice, including Corteva Cash earned through Pioneer seed purchases), and customer pickup, limited delivery for wholesale and larger grower accounts, and common-carrier shipping to Pennsylvania and surrounding states. The company describes itself as pursuing strong partnerships with growers and independent retailers by offering knowledge and resources that create value, and it articulates core values of purposeful character, people-centered focus, and operational excellence. Melvin Weaver & Sons remains a private, family-owned business. Its website states that it has served growers for over 50 years and that its experienced staff help customers select the right products for their specific needs. The company is based in Lancaster, Pennsylvania, and serves the northeastern United States.
History
Melvin Weaver & Sons began with Melvin Weaver's side venture into agricultural distribution. In 1972, while employed by a local Lancaster company selling smoked meats and cheeses, Weaver became a distributor for the Conklin Company, manufacturer of the surfactant Wex. He sold Wex to agricultural customers, who then asked about chemicals often purchased alongside it. Weaver found a source for those products, establishing the foundation of what would become Melvin Weaver Spray Materials. In 1975, Weaver resigned from the food business and went full time into agricultural sales. He initially used a 53-foot trailer as his warehouse. When that space filled, he added a second trailer and eventually a third. In 1977, Melvin Weaver Spray Materials moved to Leabrook Road in Lancaster, Pennsylvania, where Weaver built a 36-by-60-foot warehouse and began operating from the new location. Over the following decades the business grew into a full-line distributor of crop protection and nutrition products, serving growers and independent retailers throughout the northeastern United States. Its product range expanded beyond core crop chemicals to include aquatics, greenhouse and nursery, organic (OMRI-certified), turf and ornamental, vegetation management, and range and pasture categories. The company also added agronomic services such as tailored product recommendations for row crops, fruits, and vegetables, and financing options including MW Financing, John Deere Credit, and TruChoice (with Corteva Cash earned through Pioneer seed purchases). By the 2020s the company's website described it as having served growers for over 50 years, still family-owned and based in Lancaster, Pennsylvania, with a mission to pursue strong partnerships with growers and independent retailers by offering knowledge and resources that create value. Its stated core values are purposeful character, people-centered focus, and operational excellence.
- 1977
Melvin Weaver Spray Materials moves to Leabrook Road in Lancaster, Pennsylvania, and builds a 36-by-60-foot warehouse.
- 1975
Melvin Weaver resigns from the food business and goes full time into agricultural sales, initially using a 53-foot trailer as a warehouse.
- 1972
Melvin Weaver becomes a distributor for the Conklin Company and its surfactant Wex while working in the smoked meats and cheeses business, laying the foundation for Melvin Weaver Spray Materials.
The company expands its product range to include aquatics, greenhouse and nursery, organic, turf and ornamental, vegetation management, and range and pasture categories.
The company adds financing programs including MW Financing, John Deere Credit, and TruChoice.
Products and positioning
Family-owned, service-oriented agricultural input distributor emphasizing product breadth, agronomic know-how, financing flexibility, and local pickup, delivery, and shipping for growers and retailers in the northeastern United States.
Crop Protection Products
Products to protect crops from weeds, insects, and diseases.
Crop Nutrition Products
Products to supply nutrients in row crops and vegetable production.
Aquatics Products
Products to control algae and weeds in water supplies and ponds.
Greenhouse & Nursery Products
Products to support food production in greenhouses and high-tunnels, and products for healthy, weed-free nurseries.
Organics
OMRI-certified products designed to meet organic growers' needs.
Turf & Ornamental Products
Products to help homeowners and landscapers keep weeds and pests from lawns and gardens.
Vegetation Management Products
Products to keep businesses, roadsides, and railways free from unwanted weed species.
Range & Pasture Products
Products to help farmers and land managers protect forage areas from invasive weeds.
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