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Evaluating new Echinacea cultivars
Published on June 29, 2007
Research-based production information, generated at Michigan State University, is provided on about 20 cultivars of the herbaceous perennial Echinacea. -
Improving perennial flower (Vernalization part 5)
Published on June 29, 2006
In part 5 of a 5-part series of articles on vernalization of herbaceous perennials, this article discusses plants in which a cold treatment accelerates or improves flowering, but is not necessarily required for flowering. -
Using the PGRs Collate and Florel
Published on June 18, 2013
Achieving consistent results with the plant growth regulators (PGRs) Collate or Florel can be trickier than with other PGRs simply because the active ingredient, ethylene, is a gas. -
New, high-resolution, interactive DLI maps
Published on October 10, 2018
New maps of the photosynthetic daily light integral (DLI) in the United States have been developed and are now available online. -
Controlling flowering of Echinacea
Published on February 8, 2013
Research-based information is presented about how to control the flowering of purple coneflower (Echinacea) for commercial production. -
Non-chemical height control techniques
Published on May 18, 2013
There are several environmental and cultural practices that can produce shorter plants, but strategies must be implemented over a period of time to achieve desired outcomes. -
Going beyond the surface
Published on September 18, 2009
In some cases, adding a surfactant to a plant growth regulator solution can improve the product’s efficacy and increase uptake. How can you know when to use these products? -
Energy-efficient annuals 10: Vinca & wax begonia
Published on December 22, 2009
Researchers from Michigan State University present research-based information for scheduling vinca and wax begonia in an energy-efficient and predictive manner. Part 10 of a 12-part series. -
Evaluating different colors of LEDs to control flowering
Published on December 10, 2014
Researchers at Michigan State University tested the effectiveness of various LED colors. Read to learn how they affected flowering. -
Quick-cropping perennials
Published on September 29, 2004
Research-based information is provided to commercially produce a variety of herbaceous perennials in flower, in a relatively short period of time. -
Replacing incandescent lamps
Published on August 23, 2012
Incandescent lamps can at least partly be replaced by compact fluorescent bulbs and/or LEDs without losing the ability to control flowering of ornamentals grown in greenhouses. -
Environmental & genetic approaches to lower greenhouse heating costs
Published on March 22, 2012
To lower energy costs for greenhouse heating, we have taken two approaches: to optimize greenhouse temperature on a species- and seasonal-basis, and to develop genetic resources to help facilitate the breeding of crops that flower earlier. -
Answering key questions about indoor crops
Published on November 9, 2022
In part three of a four-part series, we discuss crops suitable for indoor farming, planting densities, harvest times, and other commonly asked questions about growing crops indoors. -
Consumer perceptions of sustainably produced poinsettias.
Published on August 9, 2009
Are consumers interested in locally, organically or sustainably produced poinsettias? The authors conducted research to find out. -
PGR application considerations
Published on May 18, 2013
This article briefly presents some of the considerations when selecting which plant growth regulator (PGR) rate, method and active ingredient to apply to greenhouse-grown ornamental crops. -
Crops suitable for vertical farming
Published on April 10, 2019
The costs to build and operate an indoor (vertical) farm are high, so only certain types of crops are potentially profitable. This articles discusses some some of the crop characteristics that lend themselves to indoor production. -
Growing ornamental seedlings under different wavelengths of red light from LEDs
Published on August 23, 2014
Plants grew similarly under different colors of red light, so the choice of red LEDs to be used for horticultural applications could depend on factors such as LED longevity, efficacy, and cost. -
Improving crop quality
Published on June 6, 2012
improving crop quality -
Keeping [geranium cuttings] green
Published on December 19, 2013
How to reduce lower-leaf yellowing of geranium cuttings in propagation. -
A closer look at far-red radiation
Published on May 7, 2016
Far-red light can be defined as photons with wavelengths from 700 to 800 nanometers. It can promote extension growth and flowering, and at least indirectly increase growth.