Production

USDA Plant Hardiness Zone Map 2023 udpate

USDA unveils updated Plant Hardiness Zone Map

USDA released a new version of its Plant Hardiness Zone Map (PHZM), updating this valuable tool for gardeners and researchers for the first time since... more »

Photoperiod Management

Due to consumer demand for local, unique, fresh and high-quality cut flowers, domestic production of specialty cut flowers continues to increase acros... more »

Technically Speaking GPN's September 2023 column feature image

The Importance of Transpiration

Transpiration is the process of water movement from the roots to the shoots of plants. Just like photosynthesis and respiration, it is a requisite fun... more »

How Does Growing Medium Affect Nematodes?

Question Can you please provide information on how the growing medium can affect Steinernema feltiae? Answer Steinernema feltiae is an entomopath... more »

Is Your greenhouse really clean?

Maintaining a clean greenhouse can mean the difference between growing a high-quality, profitable crop and scrambling to reduce losses from pathogens ... more »

Year of the Celosia

Late last year, National Garden Bureau (NGB) announced six new “Year of the” crops for the coming year. One crop from each category is selected by... more »