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July 10, 2013
By definition, the word “phenomenal” refers to something that is very remarkable or extraordinary. In the past, there have been instances where the cultivar names of certain plants fell short or have not always been representative of the plant’s...
July 10, 2013
Many poinsettia growers in the United States and around the world experienced trouble controlling whitefly during the 2012 growing season. It was worse in some places compared to others. The source of the plant material and how growers set up their...
July 10, 2013
Linder’s Greenhouse and Garden Center in St. Paul, Minn., consistently strives to ensure the success of its customers. The fourth-generation company operates a year-round greenhouse and garden center in St. Paul along with more than 50 Flower Mart...
July 10, 2013
It seems like the explosion of new diseases has accelerated in the past 10 years or so. Marge thinks we are being tested. Having mastered the ABCs of plant disease, we are now into the exam period, to see if we can still help people protect their...
July 10, 2013
Individuals from the horticulture, entomology and plant pathology departments contribute to the floriculture working group at Kansas State University. The horticulture department hosts several faculty who are involved in floriculture activities,...
July 10, 2013
Last month, we focused on the overall trends we picked up in California during Spring Trials. In this issue, we’ll share with you some of the new varieties that were unveiled at the multiple breeder stops. With so many new introductions on display,...
June 11, 2013
For many years, growers have been using the plant growth regulator (PGR) Florel on ornamental crops to abort flowers and flower buds, inhibit extension growth and promote lateral branching. Florel contains the active ingredient ethephon, which...
June 11, 2013
Lavender has such a strong link in our culture to fragrance and beauty, but making the crossover from long-term to short-term crop has not been easy. ‘Sweet Romance’ from Proven Winners was released to fill the gap of easy-to-produce lavender for...
June 11, 2013
The perennial commonly referred to as the torch lily or red-hot poker is an old fashion perennial which has not become as popular as many of the perennial genera in production today. Although they are very showy when in bloom, the appearance of...
June 11, 2013
Equipment maintenance has become a fundamental requirement for efficient cost-effective production in today’s greenhouse. Bale processors, soil mixing, soil carrying conveyors, flat and pot fillers, water stations, transport conveyor and the list...
June 11, 2013
Pest prevention is imperative for profitable plant production, and integrated crop management (ICM) is one of the best strategies to achieve it. Many growers find planning and implementing an ICM program can be daunting. However, with new...
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...