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April 13, 2011
Using proper media is crucial to achieving a successful hanging basket. As the popularity of mixed baskets and containers continues to rise, many growers face space constraints in their greenhouses because of limited hanging baskets space. In the...
April 13, 2011
Worried about downy mildew this spring? There’s nothing wrong with that — you should be. We know relatively little about these kinds of plant pathogens; and what you don’t know can hurt you! The downy mildews are recognized as some of the most...
April 13, 2011
With all the equipment available, it can be hard to decide which items will best suit your situation. While you could make use of almost every sprayer out there, finding the most efficient is your goal. Your old sprayer is on its final legs: the...
April 13, 2011
The availability of new pest control materials (in this case, insecticides and miticides) each year, particularly those with different modes of action, helps to deal with the array of insect and mite pests feeding on horticultural/floricultural...
April 13, 2011
In this issue, we present a summary of diseases that occur in salvia. Remember: Product controls are based on research trials and do not reflect an endorsement of any sort. To learn about the diseases affecting salvia, please click on the PDF...
April 13, 2011
During the last week of February, GPN along with our partners The Visions Group, hosted the fourth annual Big Grower Executive Summit (see story on page 9). This year’s Executive Summit took place in Miami where 35 large growers from across the...
March 17, 2011
The single largest advantage of using greenhouses to grow ornamental and food crops is the ability to provide desirable temperatures for plant growth and development. Providing a desired temperature is neither easy nor cheap; building greenhouses...
March 17, 2011
Known for their distinctive dark eye, these new additions to the Superbells line will make a statement in any garden application. Calibrachoa is a group of plants that has really grown into an industry standard over the last ten years. Originally...
March 17, 2011
More and more growers are adding calla lilies into their production plans as improved genetics and strong consumer interest have increased demand Zantedeschia ‘Night Cap’ is a recent introduction to the Callafornia Calla line from Golden State Bulb...
March 17, 2011
At the height of spring, time and available staff can be pretty difficult to come by at your local independent garden center. And if that garden center isn’t lucky enough to have a loading dock, a busy spring afternoon can quickly turn into a...
March 16, 2011
LED technology has been around for a while now but has yet to make its way into the U.S. horticulture market. Here are some considerations for those contemplating a transition. “Live in rooms full of light.” — Cornelius Celsus That’s an interesting...
March 16, 2011
Learn the benefits of transitioning to biological controls and which initial pitfalls to avoid Biological control of arthropod pests can be very effective and is used with great success by growers in the United States and abroad. However, many...
March 16, 2011
Whether on a sunny dining room table, hanging on a front door or potted up around the yard, succulents are the newfound fun plants for today’s consumers. No longer limited to the gardens of the Southwest, gardeners are finding new and creative ways...
March 15, 2011
Find out how consumers ranked the latest poinsettia cultivars The National Poinsettia Trials are primarily directed at generating production information on newer cultivars for growers and breeder companies. However, each of the trial locations...
March 15, 2011
In this issue, we present a summary of diseases that occur in campanula. Remember: Product controls are based on research trials and do not reflect an endorsement of any sort. Please click on the PDF below to learn about diseases affecting campanula.
March 15, 2011
The 2011 edition of California Spring Trials takes place at the end of this month. Floriculture’s Fashion Week is scheduled for March 26 through April 1 throughout the Golden State. California Spring Trials is always an adventure for the GPN team....
March 10, 2011
About five years ago, with the advent of pay-by-scan and supplier-managed inventories, I was with a buyer from one of the big box retailers when he made very clear to an assembled group of greenhouse employees that their perception of reality needed...
March 10, 2011
Economics is called the dismal science because it acknowledges that we live in a world of limited resources. This implies that we have to make trade-offs — if we want to consume more of A, we must give up some of B; we simply can’t have it all....
March 10, 2011
Like many greenhouse growers today, Mark Elzinga was first introduced to the business as a child. He learned early on, working at his father’s facility Elzinga & Hoeksema Greenhouses in Portage, Mich., what was necessary for sustaining a...
February 22, 2011
An increasing number of greenhouse growers are familiar with the term “daily light integral” or DLI, which quantifies the amount of photosynthetic light received during one day. The unit for DLI is mol∙m-2∙d-1, which is the number of particles of...