March 27, 2015
The Horticultural Research Institute has collaborated with AmericanHort, Society of American Florists and the American Floral Endowment to produce an educational video... more
March 25, 2015
ZeroTol 2.0 and Oxiphos product labels from BioSafe Systems have received an update. ZeroTol 2.0 can now be used as a foliar, soil drench, irrigation or fog application on... more
March 25, 2015
DNA Green Group’s acquisition of Rijnplant has been finalized. Rijnplant Breeding, headquartered in De Lier, the Netherlands, specializes in breeding, propagation and growing... more
March 19, 2015
The U.S. Department of Agriculture (USDA) and Animal Plant Health Inspection Service (APHIS) announced the Plant Pest and Disease Management and Disaster Prevention Program... more
November 07, 2014
Retail sales of cannabis began in Colorado on Jan. 1, 2014. Prior to the start of marijuana sales, Colorado voters last fall approved an excise tax of 15 percent that gives... more
February 12, 2014
What’s new? As the season changes and the nursery is full with pansies and perennials, landscapers and designers are coming to shop and at least once a day someone asks “What... more
January 14, 2014
In the December 2013 issue of GPN, I discussed cold-sensitive bedding plants, which are crops that have a relatively high base temperature (46° F or higher). At low growing... more
January 14, 2014
Sitting in the store next to a few dozen other tropical plants is an aglaonema with a striking red and pink variegation throughout its leaves. The color and texture is... more
December 16, 2013
For the last several years, one of the floriculture research thrusts at Michigan State University has been to better understand how temperature controls growth and flowering... more

This portable EMD reader is an effective tool for growers of greenhouse edibles to maintain accurate amounts of chemicals on and around produce. The reader and its upgraded three ranges of peroxyacetic acid test strips meet the needs of all food safety programs.

  • This portable EMD reader is an effective tool for growers of greenhouse edibles to maintain accurate amounts of chemicals on and around produce. The reader and its upgraded three ranges of...
  • Standard 84s from Pleasant View Gardens set the standard for all-purpose liners that work equally well in small or large containers. They offer the widest selection of Proven Winners and Proven...
  • Turbo Shift is a multi-function, dual variable flow hose-end nozzle. Dual variable flow delivers light fog and low volume jet stream patterns before shifting to high-gear, high-volume outputs. It is...
  • Nature’s Source Plant Probiotic is a unique complex of beneficial microorganisms that promote the establishment and enhance the growth of greenhouse and nursery crops, landscape plants and...
  • The new Ultra Lean Dilution System for fertilizer and chemical injectors is an inexpensive way to pre-dilute acid and other corrosive chemicals. The system features multiple configurations to choose...
  • The corrosion-proof head creates a precise and gentle water pattern that won’t harm delicate plants and seedlings. The new nozzle is made from high-impact plastic, easily attaches to hose and hose...
  • Five new liner kits take the guesswork out of ordering for buyers and finishing for growers. Go & Grow Kits streamline orders with variety and quantity, packaged into a single item. Smart...
  • Broad-spectrum induction grow lamps deliver the light necessary for high-quality, high-yield and repeatable crop production. Lamps are designed to take plants from vegetative through final flowering...
  • SUPERthrive, a highly concentrated vitamin solution, improves growth in all plant and tree applications. This product remains unique internationally against tree loss and stressed plants. It is ideal...
  • Daystar AC utilizes the same patented double-wall design and reflective materials as the GLX unit. The two 6-inch built-on flanges allow for passive cooling. Reflector designs are initiated by grower...

40 Under 40

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For more information on GPN's 40 Under 40, contact Tim Hodson at

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