Current Issue

When it comes to making landscape purchasing choices this year, consumers are basing their decisions on two major areas — enhancing their outdoor living areas and the environment. Earlier this year, Houzz.com surveyed more...
ARC:  When we both started in our respective careers, most plant disease control products were quite broad in their spectrum of activity.  In 1979, my first exposure to  fungicides was testing an experimental...
In the June issue of GPN, you read about some of the trends we came across during our journey through California for the 2014 Spring Trials. This month, we’re focusing on the new variety introductions that made their debut...
As the title of this article implies, ‘research’ is literally, and figuratively, our middle name. We are the Greenhouse Production Research Group (GPRG), a part of the USDA’s Agricultural Research Service (ARS). The...
Water shortage and poor water quality are critical challenges to gardening and landscaping in many regions of the world and will no doubt continue to challenge our industry. With rapid increases in urban populations and...
If you like Oriental lilies, the spectacular new Roselily series of double Orientals from Zabo Plant may soon become your new favorite type of Oriental lily. This series features double flowering cultivars, which are pollen...
Question: I am contemplating the use of biological control against fungus gnats. Can you please provide information on the commercially available biological control agents?  Answer: Fungus gnats (Bradysia spp.) are...
When I started at the University of Florida in the early 1980s, we had no effective products for biological control of diseases. It was the time frame when many of our industry standard fungicides were being developed...
This year, Selecta introduces all-new genetics of interspecific impatiens for a great opportunity to grow and merchandise a shade product with confidence. Bounce is highly resistant to Impatiens Downy Mildew, making it the...
Application of plant growth retardants (PGRs) is the most common technique used by greenhouse growers to control crop height. When used at an appropriate rate and volume, PGRs can elicit desirable results, such as improving...