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

  • Summer to Fall Mixed Leafy Trial

    CropKing • February 04, 2014

    While lettuce fills a large majority of the spaces in most greenhouse nutrient film technique (NFT) systems in the...

  • Beefsteak Cultivar Trials- Part 2 (The Numbers)

    CropKing • January 06, 2014

    •This evaluation was carried out both to increase our knowledge
    of several available beefsteaks and to provide...

  • Beefsteak Cultivar Trials- Part 1 (The Pictures)

    CropKing • November 22, 2013

    Greenhouse tomato production in the United States now encompasses a wide spectrum of fruit types and cultivars...

  • Dialing in on the Downy: Dealing with Basil Downy Mildew in your Greenhouse

    CropKing • September 17, 2013

    Some basic facts on basil downy mildew

    Basil downy mildew (Peronospora belbahrii) is a disease that is rapidly...

  • Spring to Summer Romaine Lettuce Trial

    CropKing • September 06, 2013

    Romaine lettuce can sometimes be a challenging lettuce crop to produce in the greenhouse due to its susceptibility...

  • The attraction of opposites: Using both soil and soilless production to enhance diversified vegetable and fruit operations - Part 2

    CropKing • August 06, 2013

    On this mid-summer morning in central Pennsylvania, it turned out that tomatoes were not the first thing on Ammon...

  • Grass Fed Beef

    CropKing • July 26, 2013

    In my opinion one of the preeminent benefits of utilizing a hydroponic fodder feed system is the ability to more...

  • The attraction of opposites: Using both soil and soilless production to enhance diversified vegetable and fruit operations - Part 1

    CropKing • July 25, 2013

    For horticultural crop producers, the balance between specialization and diversification on their farms must be...

  • Investigating iceberg lettuce in the hydroponic greenhouse – 2013 Trial, Part 1

    CropKing • July 10, 2013

    Lettuce is the 2nd most popular vegetable in the US (second only to potato), and head lettuce is certainly the most...