Greenhouse Management - Greenhouse Management is the leading source of business management information and industry research serving greenhouse growers in the U.S. and Canada.

Regulating potted basil growth with ultraviolet radiation

Learn how greenhouse growers can use UV-A lighting to regulate potted basil growth and reduce stem elongation without chemical growth regulators.

A potted basil plant on a purple background.

Rows of red poinsettias in a greenhouse. There are more green plants hanging from tracks near the roof.

Pantone announces its 2026 Color of the Year

The organization behind the global color standard system, Pantone, picked a white hue called Cloud Dancer as the 2026 Color of the Year.

A man with short white hair and white facial hair wearing a white polo shirt and standing in front of hanging plants outside of a greenhouse. His right hand is resting on a tree trunk.

HILA Lifetime Achievement Award winner John Gaydos reflects on horticultural legacy after retirement

John Gaydos helped shape horticultural careers, gardening trends, plant introductions and a national brand. After retiring from Proven Winners, he reflects on taking chances and embracing change.

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The biggest greenhouse headlines of 2025

We take a look back at the year’s news in labor, politics, policy and mergers affecting the greenhouse industry.

A half circle with the words 2025 in review in the center. The bottom of the half-circle is four images showing tomatoes, paper cut-outs of people, puzzle pieces and a digital board that says delayed.

A graphic with white text on a blue background reading 2025 trial standouts, with a gold ribbon behind the text.

The best-performing plant varieties in trial gardens for 2025

Here are some of this year’s best-performing plant varieties from trial gardens around the country, including Penn State, Colorado State University, Plantpeddler, Dallas Arboretum, Michigan State and University of Minnesota.

Closeup image of a woman's face. She is wearing glasses, and a yellow butterfly is perched on the edge of her glasses.

Amanda Bratcher on extension, horticultural education and research

Amanda Bratcher, horticulture agent for the North Carolina Cooperative Extension’s Lee County Center, explains the importance of education and collaboration within the industry.