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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...
February 22, 2011
One of America’s favorite natives, echinacea continue to be a necessity in any perennial collection, and new breeding has brought wonderful improvements to the straight species.
Echinacea is an All-American prairie flower that rewards its growers...
February 22, 2011
This improved hybrid livens up the landscape with bright color and is sure to make an impression at garden centers across the country
Over the past several years, many growers have added hydrangea to their product lines. Hydrangea produce large,...
February 22, 2011
What if you could reach the Holy Grail of spring: early flowering at a price you can sell, produced in space you already have? Pleasant View Gardens (PVG) says you can.
They’ve trialed and tested scores of varieties with a goal of fast-finishing...
February 22, 2011
Clean cuttings, young plants or plugs — this has been a discussion point for many years in our industry. It also has been a topic of tension between customers and suppliers. In this article, the idea is to try getting some positive thoughts and...
February 22, 2011
Three common methods are used for extracting solution from greenhouse root substrate for testing pH, EC and nutrient levels.
In the saturated media extract procedure (SME, also known as saturated paste extract), cores of substrate are taken from the...
February 22, 2011
Which introductions will you add to your poinsettia program this year?
This year 18 new cultivars were introduced in the National Poinsettia Trials conducted at Homewood Nursery in Raleigh, N.C., North Carolina State University (NCSU) and the...
