We Put Farmers First
Petermann Seeds Inc. is dedicated to providing high-quality seeds for everyone, including ourselves. As part of the Thunder Seed Ownership, PSI has firsthand knowledge of the best seed for the area. Planting the seed IN OUR OWN FIELDS FIRST before we send it to you.
SOYBEANS
PSI has the genetic traits in soybeans you are looking for. Roundup Ready 2, Liberty Link, and even the new Roundup Ready 2 Xtends are available.Soybean Varieties
CORN
Sporting a full line up of Thunder Seed Hybrids, PSI has the seed for you. Providing genetics such as VT2Pro, VT3Pro, Smart Stax, Roundup Ready, and Conventional Corn.Corn Varieties
WHEAT
PSI grows, cleans, and provides AgriPro and WestBred wheat. With the full process from seed cleaning to harvest occurring at PSI, you are assured high quality wheat varieties.Wheat VarietiesThunderSeed Owners
We’re farmers first, just like you. In fact, Thunder Seed is a partnership of three Minnesota families – Adams Seed, Petermann Seed and Tobolt Seed – with four generations of experience on the farm. We understand the best soybean, corn, and corn silage harvests begin with the seeds.About Us