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June 11, 2013
Marc van Iersel, professor of plant nutrition and physiology at University of Georgia in Athens, is a big believer in sensor-controlled irrigation. “Most growers underestimate the importance of sensor-controlled irrigation and how much money it...
June 11, 2013
Each spring, the GPN team heads west for an action-packed week of new-variety trials along the California coast. Starting in Vista and ending in Santa Cruz, we traveled more than 1,000 miles and learned about new breeding breakthroughs and marketing...
June 11, 2013
Last month, the National Agricultural Statistics Service (NASS) at the United States Department of Agriculture released its annual report of floriculture crop sales. (See news story on Page 8). The good news is that in 2012 floriculture sales grew...
June 04, 2013
40 Under 40 Class of 2013
May 09, 2013
I am commonly asked what rate, chemical and/or application method of plant growth retardants (PGRs) to apply to various floriculture crops. Responding to such questions is difficult since the answers are so situational. There are different ways to...
May 09, 2013
Originating from the Rocky Mountains and the Southwest United States, the penstemon Riding Hood series has exceptional winter hardiness (Zone 3, -4° F) that is a rarity among penstemons. Bred by Molter BV, the first variety in this series was...
May 09, 2013
Over the last couple decades, gaura has increased in popularity. However, with its flower power and landscape resiliency, this perennial is often underutilized.Through plant selection and improved genetics, many of today’s cultivars offer superior...
May 09, 2013
A very wise grower once told the young assistant “avoid compacting the mix at all cost,” and then proceeded to tell her the various ways that compaction can occur. In fact, improper or careless mix handling can result in many problems. In a mix, the...
May 09, 2013
During the past 20 years, rose downy mildew has become a serious problem, causing significant losses to growers almost every year. The disease has been found in nearly every state across the United States (and Canadian provinces). It does not occur...
May 09, 2013
Choosing which crops to add to your production each year involves some risk. Growing exceptional plants is critical to your business and reputation, and the success of your plants relies on various factors such as tolerance to weather, maintenance...
May 09, 2013
Wouldn’t it be great to be able to predict the future? Wouldn’t it be nice to know who the industry’s most influential individuals are going to be in the coming years? Wouldn’t that make things so much easier? Looking at the list of individuals on...
May 09, 2013
I said it last year, and I’ll say it again this year — the horticulture industry has an extremely bright future. The reason I say this: the Class of 2013 of GPN’s 40 Under 40. This year’s Fab 40 represent the industry’s next generation of leadership...
April 16, 2013
A critical factor for effective use of plant growth regulators (PGRs) is that the solution is mixed in the appropriate proportion. Dilution mistakes, which are not uncommon, result in a lack of a plant response (from too little PGR) or an excessive...
April 16, 2013
Lobularia Stream series is bred By Danziger and comes in four beautiful and fragrant colors — ‘Lavender Stream’, ‘Silver Stream’, ‘Summer Stream’ and ‘White Stream’. Two new varieties will be added for the 2013-14 season — ‘Purple Stream’, a dark...
April 16, 2013
Sixteen years. Although the popularity of helleborus has increased since the Perennial Plant Association selected Helleborus x hybridus as the 2005 Perennial Plant of the Year, Chris Hansen has been working diligently for 16 years hand-crossing and...
April 16, 2013
Late in 2006, and certainly during 2007, Western flower thrips (Frankliniella occidentalis) caused a lot of headaches for growers, not only in the United States and Canada, but at a global level. It became clear that some of the pesticides that had...
April 16, 2013
We all occasionally get caught up in the search for a single game changing idea that will result in a dramatic gain that saves the day or brings us to the next level. And we’ve had a few of those in the industry over the years. But, as I think back...
April 16, 2013
The plant growth regulator (PGR) Florel has been used for many years as a foliar spray on a wide variety of ornamental crops as well as some food crops. Until recently, Florel was only thought to be effective when applied as a foliar spray. At the...
April 16, 2013
Black root rot (BRR) caused by the fungus Thielaviopsis basicola is a very persistent and damaging disease for growers of bedding plants, herbaceous perennials and some woody species — including poinsettias. This disease is seen most often on pansy...
April 16, 2013
In February, GPN and our partners at the Visions Group hosted our sixth annual Big Grower Executive Summit (see story on page 7). The Big Grower Executive Summit is a one-of-a-kind event that is dedicated to big grower business strategies. Thirty-...