GPN - Greenhouse Product News

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GPN - Greenhouse Product News

GPN provides professional growers with cutting edge information.
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06/19/2026

Healthy plants don’t stop at the greenhouse 🌱

Learn how nutrition, growth control, flowering management and preventative pest strategies help crops maintain quality through retail display ➡️ https://gpnmag.com/article/building-a-bridge-from-greenhouse-growing-to-retail-success-with-inputs-to-maintain-crop-quality/

06/18/2026

Cultilene has received RHP certification for its stone wool propagation plugs, becoming the first company to achieve RHP certification for stone wool plugs.

The certification verifies compliance with quality and safety standards for professional horticulture ➡️ https://gpnmag.com/news/cultilene-rhp-certified-stone-wool-plugs/

06/17/2026

NRGene Technologies launches tomato seeds resistant to ToBRFV, helping greenhouse growers fight losses and maintain yields. Learn how this innovation protects crops ➡️ https://gpnmag.com/news/tomato-growers-adopt-tobfrv-resistant-seed-technology/

06/17/2026

Shrink can have a major impact on greenhouse profitability.

This article looks at how growers can improve production planning, crop timing and inventory management to reduce waste and maximize sales throughout the season.

Read more: https://gpnmag.com/article/mitigating-shrink-in-the-production-greenhouse/

06/16/2026

Labor remains one of the biggest challenges facing greenhouse operations today.

Tell us what you're seeing in our latest industry survey.
https://www.surveymonkey.com/r/BD5SQMF

06/16/2026

Mealybugs threaten greenhouse crops. Learn key identification and control strategies, and take action to improve prevention and treatment for stronger plant health ➡️ https://gpnmag.com/article/mealybug-management-greenhouse-guide/

06/15/2026

Labor shortages are reshaping horticulture. Explore economic trends, compensation strategies and funding options, and take action to strengthen your workforce ➡️ https://gpnmag.com/article/horticulture-labor-strategies-2025/

Stratagerm Consulting

06/15/2026

Danziger released its 2026–2027 Annuals & Perennials catalogs and opened access to its online image library. View the catalogs here ➡️ https://gpnmag.com/news/danziger-releases-2026-2027-annuals-perennials-catalogs/

Danziger Annuals & Perennials

06/11/2026

Biological control programs are only as effective as the quality of the organisms being released.

This article explores how handling, packaging and distribution can influence biological control success - and why growers should assess product quality before release.

Read the full article here: https://gpnmag.com/article/effect-of-product-handling-and-distribution-on-biologicals-success/

06/11/2026

Explore how HRI advances grower-focused research, education and innovation. Learn how its work strengthens the industry and take action to support its impact ➡️ https://gpnmag.com/article/horticultural-research-institute-impact/

Horticultural Research Institute AmericanHort

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