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October 10, 2002
Versatile perennials, lamiums can be utilized in a number of commercial and garden situations. They look great in containers, alone or mixed with other plants in patio pots, window boxes or hanging baskets. In the landscape, they work well as a...
October 10, 2002
Let's face it, climates are different in Florida, Michigan and Colorado, which can generate some very different results from trial gardens. What succeeds in high heat and humidity may not succeed under cool nights with low relative humidity, and...
September 10, 2002
This year's Ohio Florists' Association trade show was, as usual, a mind-boggling mix of new crops and production technology. The educational program was stuffed with great speakers, and I admire anyone who can attend this event, walk the show and...
September 10, 2002
One of your most productive employees hobbles up to you with a sore back. "It's been hurting ever since I moved that puncher to the other side of the greenhouse," he says. "I think I need to go to the doctor." What do you do? How do you report it?...
August 22, 2002
The Native American perennial heuchera has become one of the hottest, most must-have perennial plants for today's gardens. Heucheras belong to the family Saxifragaceae, which includes many other popular perennials such as astilbe, berginia,...
August 20, 2002
In 1988, research conducted by Dr. Jim Barrett at the University of Florida demonstrated the potential of Bonzi (paclobutrazol) drenches for poinsettia height control. This technique proved to be particularly effective when used late in the...
August 20, 2002
Hydroponics was once thought simply to be the growing of plants without soil. It has since evolved into a science--the growing of plants in a nutrient solution with or without an inert medium such as gravel, sand, peat, vermiculite, perlite,...
August 09, 2002
The most important primula species in production today include English primrose or acaulis primula (Primula vulgaris, synonym P. acaulis), polyanthus, polyantha primrose or hybrid primrose (P. xpolyantha), fairy primrose or baby primrose (P....
August 09, 2002
Tulips are a good example of a flower bulb crop that can be adapted to hydroponic culture. In Holland, approximately 30-35 percent of the cut tulip crop is forced hydroponically, and we have been evaluating this production method at Cornell over the...
August 09, 2002
Growing annual and perennial flowers for cutting during the summer is becoming a popular way for greenhouse operators to bridge the spring bedding plant and holiday potted crop seasons. In many respects, outdoor flower crops, particularly annuals,...
July 09, 2002
I selected the following plants because they are easy to produce or offer a very specialized look. All of these plants have a place in the component plant world and most will add something different to any container. This is by no means all of the...
July 09, 2002
Well, believe it or not, it’s time for another poinsettia season! Some of you are already tired of poinsettias, having done poinsettia stock plants since last spring. Other growers are just rooting bought-in cuttings and potting up finished...
July 09, 2002
Poinsettias can, at times, be a problematic crop, but being aware of the more common nutritional, physiological and insect and disease-related problems encountered during production can help reduce the headaches. By watching for potential problems,...
July 09, 2002
With the advancement of perennial production, many operations are looking at their current fertility programs only to discover the traditional practices used with greenhouse crops aren’t always sufficient with many perennial crops. With a shift in...
July 09, 2002
B-Nine and Cycocel have been effectively used as a tank mix growth regulator application for many years. The major benefit of this tank mix is that it provides an easy-to-apply, medium-activity growth regulator application. The spray volume is not...
July 09, 2002
Eye-catching color and vigorous growth have brought nothing but popularity for Calibrachoa, and it has become one of the industry’s hottest vegetatively propagated specialty annuals. Calibrachoa’s petite, single, petunia-like flowers, finely...
June 20, 2002
Dallas Johnson Greenhouses has embraced sensible automation in many areas of its operation. But the biggest reason for improved shipping efficiency has been a conceptual change. The centerpiece of the change is a large staging area that is used to...
June 11, 2002
There are over 30 cultivars of ornamental peppers available. Many of the older cultivars like ‘Filus Blue’ or ‘Bolivian Rainbow’ are tall-growing and make excellent background plants in the landscape. Plant breeders at the USDA in Beltsville, Md.,...
June 11, 2002
One of the main advantages of a retractable roof system is that the size of the structure is not limited by the restrictive capacity of mechanical ventilation systems. This allows the total growing area to have fewer “edges,” resulting in a more...
June 11, 2002
Are you looking for a new potted plant that doesn’t need pinching or disbudding; a fast crop for hanging baskets; an unusual plant to make your container gardens stand apart from the competition; top-quality plants that are easy to grow with no...
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