Hydroponic & Greenhouse Solutions

greenhouse interior, growing lettuce
High-Quality Hydroponic Products and Superior Technical Support to Help Growers Succeed

Since 1982 we’ve grown to become one of the largest manufacturers and distributors of commercial greenhouse structures and equipment, hydroponic systems, and growing supplies, with customers throughout the United States, Canada, Mexico, Europe and the Caribbean.

Blog posts

  • Extreme Passion

    CropKing • February 27, 2019

    Ralf du Toit grew up in South Africa and served in the military, where service was required, until 1989. He was...

  • Growing with Indoor Setups

    CropKing • February 18, 2019

    Growing indoors can be a fulfilling endeavor that utilizes an existing building or room. Many non-greenhouse...

  • Colorful Microgreen Varieties

    CropKing • February 04, 2019

    Microgreens offer a wide variety of choices in taste, texture, and even color. Growers can find success by adding...

  • The Salvation Army teaches children how to grow indoors

    CropKing • December 19, 2018

    Children in and around Akron, Ohio, could help develop systems that could one day be used to grow food on Mars...

  • 2019 Plans and Plants

    CropKing • December 17, 2018

    The slower greenhouse season has given me a chance to plan for the next few months. With my extra time on hand, I...

  • What's in your water?

    CropKing • December 04, 2018

    One aspect of farming that is often overlooked is the quality of source water being used for crop production. For...

  • Shelter from the Storm

    CropKing • November 26, 2018

    When the hail started falling in Grinnell, Kansas, there were plenty of disappointed people looking toward Dan and...

  • How-To: Microgreen Growing

    CropKing • November 13, 2018

    Are you interested in growing microgreens indoor year round, or for the winter months? Today’s blog will help you...

  • Plant Nutrients - The Mighty Macros

    CropKing • November 06, 2018

    For the second part in this this three-part series we will be discussing the major elements that are typically used...