Production

Maximizing Photosynthesis, Minimizing Respiration

Plants use the energy from light to convert carbon dioxide (CO2) and water into sugars and oxygen, which is the process everyone knows as photosynthes... more »

Irrigation and plant health

Water You Missing?

Forty, even 30, years ago, we watered our plants, dropped in a little fertilizer, and hoped for the best. Perhaps it wasn’t quite that simple, but o... more »

Making Sense of Light Sensors

During the winter, greenhouse growers in Northern regions often become concerned that their plants are not receiving enough light to produce good qual... more »

Greenhouse Sanitation Decreases Pest Problems

Here is a quick test we are sure you will pass: In the greenhouse production of floriculture and specialty crops, what do pathogens, insect pests, alg... more »

Purpling of leaves

Purpling of Leaves

Many annual bedding plants and herbaceous perennials have red, purple or almost black foliage, including fountain grass, ornamental millet and some va... more »

Preconditioning Wood Substrates for Greenhouse Crop Production

The use of wood products in soilless greenhouse substrates continues to increase in popularity and demand around the globe. As more research is conduc... more »

Latest Photos see all »

GPN recognizes 40 industry professionals under the age of 40 who are helping to determine the future of the horticulture industry. These individuals are today’s movers and shakers who are already setting the pace for tomorrow.
Erica Hernandez
Emma Lookabaugh
Melissa Maguire
Cole Mangum
Oz Marshall
Meagan Nace
Tiffany Nohl
Chris Plane
Mike Prol

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