In recent weeks, several growers have contacted Michigan State University Specialists about leaf discoloration on geraniums, especially the purpling of lower leaves.

Greenhouse growers will be challenged by weather forecasts for cloudy and rainy conditions favoring Botrytis blight. Remembering cultural practices and correct fungicides will help until we get more sunshine.

The impact of systemic insecticides on bees and other pollinators is not new phenomenon. Kansas State University Entomology Professor Raymond Cloyd says we, as an industry, need to work together to provide unbiased information that is based in sound science.

What your potted plants look like at retail translates to sales or fails. North Carolina State University researchers report on how two postharvest care products performed.

Following the suggestion of a user of Companion Biological Fungicide, Growth Products has made improvements to the product’s packaging to make it easier to handle and more durable.

Control plant growth with these latest introductions in PGRs.

Growers of short-term vegetable or ornamental crops should have an easier time switching from conventional mineral fertilizers to organic fertilizers.

Ethephon is an excellent and cost effective option for improving plant structure, preventing early flowering, and controlling excessive plant growth. It is easy to see why Ethephon has become an essential component of the floriculture PGR toolbox.

In the first of a four article series highlighting the use of pine wood chips as alternative aggregates to perlite in greenhouse substrates, researchers from North Carolina State University discuss the processing and physical properties of pine wood chips.

Electrical conductivity (EC) and pH, as well as water alkalinity, have the biggest effects on nutrient availability. Learn how to keep track of them through three common methods for better monitoring in the greenhouse.

AXXE Broad Spectrum Herbicide is a newly formulated organic weed control for use in greenhouses and nurseries. AXXE provides a rapid burn down of weeds within hours of application and then biodegrades quickly, leaving no harmful residue behind.

Damp conditions can lead to both rust and edema in geranium. Here’s some advice on scouting and treating each.

Here’s some advice on transplanting and producing this classic perennial favorite.