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

  • Late Fall to Spring Leaf Lettuce Trial

    CropKing • May 09, 2013

    Hydroponic lettuce production in the United States now encompasses a wide spectrum of lettuce types and cultivars...

  • Selecting a Growing Structure for Fodder Production

    Maxwell Salinger • May 03, 2013

    One of the common questions often heard at CropKing is the optimal environment for hydroponic fodder production. To...

  • Late Summer to Winter Bibb Lettuce Trial

    Dr. Natalie Bumgarner • April 15, 2013

    Hydroponic lettuce production in the United States now encompasses a wide spectrum of lettuce types and cultivars...

  • Maxwell's Fodder Intro

    CropKing • April 08, 2013

    With hay and grain costs on the rise and continuing drought immanent, many farmers and ranchers are looking to...

  • An Introduction to the Process of Grafting in Greenhouse Tomatoes- Part 2

    CropKing • March 07, 2013

    In the last blog post, we went through a brief photo tour of the first two steps in the grafting process (1...

  • An Introduction to the Process of Grafting in Greenhouse Tomatoes- Part 1

    CropKing • February 18, 2013

    Grafting sounds interesting, so where should I begin?In the last blog post, we discussed some of the basics of...

  • An Introduction to the Topic of Grafting in Greenhouse Tomatoes

    CropKing • January 29, 2013

    Grafting has become very prevalent and important in greenhouse tomato production, and there are a couple of key...

  • Cultivar Report 12.2- Varied Leaf Trial

    CropKing • December 26, 2012

    Hydroponic lettuce production in the United States now encompasses a wide spectrum of lettuce types and cultivars...

  • Cultivar Report 12.1- Butterhead Trial

    CropKing • November 26, 2012

    Hydroponic lettuce production in the United States now encompasses a wide spectrum of lettuce types and cultivars...