View All: Articles

May 07, 2002
Most everyone who has been to Hawaii has picked up a “Ti Log.” It’s one of those souvenirs we bring back to prove we’ve been places, and while many of us have grown this plant at one time or another, its use has waned in the last 10 years. While...
May 07, 2002
Petunia x hybridia Hort. is one of many members of the family Solanaceae grown primarily as an ornamental plant, and the most economically important ornamental member of this family due to its horticultural value. It is a popular bedding plant — the...
May 07, 2002
As tradition dictates, the 2003 winners for next year’s growing season have been chosen from the following: All-America Selections, Fleuroselect and All-America Rose Selections. Judges for all three associations used a standardized grading...
May 07, 2002
When you think of carnations, you probably think South America. But before we started importing cut flowers from our neighbors, Colorado was the leader in carnation production in the United States. With such a carnation proliferation in the 1960s,...
May 07, 2002
Flower bulbs comprise a significant proportion of spring production in many North American greenhouses. Their quick greenhouse time, close spacing and “green” reputation (little fertilization required, limited pest problems) are all attractive to...
April 02, 2002
Kmart, the $37 billion, 40-year-old mass-marketing company that has roots going back over 100 years (S.S. Kresge), files the single-largest retail bankruptcy protection petition in the history of business. The same company that started its checkered...
April 02, 2002
Alternanthera ‘Purple Knight’ comes from a genus of about 200 species of bushy annuals and perennials. This variety is a striking, dark purple-leafed accent plant with a vigorous, upright and spreading habit that arches over the edge of...
April 02, 2002
Cuphea hyssopifola (False Mexican Heather) is one of the most commonly used annuals, renowned for its drought tolerance, constant show of color and ease of production. But this plant is only the tip of the iceberg for this group of really strong...
April 02, 2002
Growers concerned about controlling plant height have traditionally used chemical plant growth regulators (PGRs) to maintain plants at a certain size. The usual approach has been to apply one or more applications of a single PGR of a predetermined...
April 02, 2002
As promised in last month’s issue, the second of GPN’s two-part series on nutrient disorder shows you symptoms associated with additional deficiencies and toxicities of nutrients in greenhouse crops. When assessing nutritional status, remember the...
April 02, 2002
Forklifts are now available with special attachments to automatically place and space plant material. These trucks were initially developed in Holland for spacing pots, but recent product enhancements include attachments to allow their use with...
April 02, 2002
Enterprising cut flower growers are looking for new species and cultivars to provide their customers with different products and enhance sales. At the same time, upscale retail florists are discovering what European florists have known for years:...
April 02, 2002
Growers have little or no control over the conditions their products are exposed to once they leave the production facility. Environmental conditions likely to affect the performance of greenhouse crops during postproduction handling and sales...
April 02, 2002
Whether you’re a small, medium or large grower, it is important to remember the basics when choosing a structure for your situation. So, let’s review the fundamentals. Greenhouse Structures 101 Type of Crop. If you are hardening your crop, you...
April 02, 2002
“Change does not necessarily assure progress, but progress implacably requires change,” American historian Henry Steele Commager once said. A bearded Michigan man with jovial eyes and a thankful spirit captures the essence of this quote. His name is...
April 02, 2002
There are many new and different poinsettias being introduced; some think too many. Certainly, there are too many for one grower to produce. So how do you decide which cultivars to add to your selection? In the February issue of GPN, we reviewed the...
April 02, 2002
Fungal leaf spots are the most common and obvious diseases present during ornamental crop production. In most cases, they are easily noticed, and the temptation to guess specific causes is great. While certain characteristics may often be present...
March 18, 2002
During the mid 1990s, perennial departments saw ever-increasing sales, as gardeners rediscovered the more “traditional” plants from their grandparents’ generation. And perennials continue to be a growth market for growers across the country,...
March 18, 2002
What is the function of a growing structure? To control the environment or to assist the grower with manipulating healthy plant growth? Should the grower and the plants be forced to adapt to the environment the greenhouse provides, or should the...
March 18, 2002
I think this crop is a fantastic example of what our industry can do when it puts its mind to it. Six years ago, Angelonia angustifolia was a good little summer annual in the South, but unreliable both in hardiness and in vigor; it was also pretty...
Email Subscriptions