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October 08, 2014
The production of containerized floriculture crops often involves techniques to limit extension growth to produce compact plants. In some situations though, a grower may wish to increase plant height, such as when plants are too small for their...
October 08, 2014
Agastache, also known by the common names of Hyssop or Hummingbird Mint, is a genus of the Lamiaceae family. There are many different species of agastache that are native to North America, as well as one species that is native to Eastern Asia....
October 08, 2014
The Giga series of scabiosa from Green Fuse Botanicals is a great example of the expression “Great things come in small packages.” After all, the plants form compact 6- to 9-inch tall clumps of gray-green foliage which produces an abundance of...
October 08, 2014
The greenhouse industry has experienced many changes over the past decade. Most recently the margins and the demand for certain ornamental crops has begun to diminish. This leaves many greenhouses that were once booming looking for ways to diversify...
October 08, 2014
There have been numerous articles published in the past few years detailing the business opportunities of greenhouse operations growing vegetables as an added source of income to supply local retailers trying to find locally grown produce. Consumers...
October 08, 2014
Raise your hand if you grew up on a farm or know someone who did. Raise your hand if you have ever visited a farm. A yes answer to either of these questions is likely accompanied by an image of a traditional farm in a rural setting. Most of us have...
October 08, 2014
Irradiance, temperature, and carbon dioxide (CO2) are three environmental parameters growers can control during greenhouse production to alter crop growth, quality, and timing. Significant costs are incurred every year, especially during winter and...
October 08, 2014
ARC:  The horticultural industry is getting greener — or at least trying to — as each year passes. I don’t know many plant pathologists who have had successful experiences with biological control agents for disease prevention. I have had mixed...
October 08, 2014
Over the summer, the National Garden Bureau launched its “Growing for Futures” philanthropic program to help build therapeutic gardens. This ongoing, annual, fundraising initiative is designed to advance the NGB’s mission — to raise awareness of...
September 30, 2014
Established in 1985 in Council Bluffs, Iowa, Dallas Johnson Greenhouses is a relatively young operation. Founders Dallas and Kay Johnson started out with 40,000 square feet of greenhouses supplying annuals to the markets in Iowa and Nebraska. ...
September 30, 2014
I just returned from the newly revamped Cultivate conference and was saying to colleagues that it was one of the best ever. Was it the quality of the educational sessions or the continuous networking or the new events? Yes, all of the above....
September 30, 2014
Are you a born leader? This is a question that some ask of young people when they describe their potential or future. We also talk about the people meant to lead and the people meant to follow.  Regardless in which category one falls, many of...
September 11, 2014
The high-pressure sodium (HPS) lamp is the most popular lamp type to deliver high-intensity, supplemental lighting in greenhouse crop production. The traditional HPS lamp has an electromagnetic ballast, but newer models have electronic ballasts that...
September 11, 2014
The Anytime pansiola series is a great new line of viola hybrid that combines the slightly larger flower size of pansies with the flower number and performance of violas. This series makes both spring and fall production of violas easier and faster...
September 11, 2014
Helenium is a genera of perennials that has been increasing in popularity in recent years. Some of the recent demand likely stems from its mid- to late-summer bloom time; Helen’s flower peaks when most summer flowering perennials are on the decline...
September 11, 2014
Pacific Plug & Liner is a must-see stop along the Spring Trials tour to find a wide selection of new introductions from many different vendors. And with Cultivaris added to the mix, you will not find any stop with more variety. In keeping with...
September 11, 2014
In the December 2013 issue of GPN, we published an article that discussed the development of a physiological disorder known as intumescence. For those who may be unfamiliar, intumescences are small bumps or protrusions that develop on the surface of...
September 11, 2014
Bedding plant plug production is an integral part of the floriculture industry. The bulk of production occurs in late winter or early spring to meet spring and summer sale dates. Unfortunately, this is also when the outdoor photosynthetic daily...
September 11, 2014
Container-grown herbaceous perennials have serious weed problems with few or no weed management tools. This article will discuss some cultural, chemical and non-chemical methods for controlling weeds in herbaceous perennial production.  Start...
September 11, 2014
ARC:  How important are cultural controls when you help a grower minimize a disease? I know I like to spend 90 percent of the discussion on water management, using pathogen-free seeds or liners, and giving the plant the best nutrition. Then I...