CONTENTS THE BUSINESS MAGAZINE FOR COMMERCIAL GROWERS AUGUST 2024 | VOLUME 34, NUMBER 8 12 6 On the Cover Greener Roots Farm uses supplemental lighting in Nashville, Tennessee. Photo by Chris Higgins, Hort Americas. COLUMNS 28 16 FEATURES 6 Production Savvy sanitation protocols Don't take an all-or-nothing approach to greenhouse cleanliness By Keith Loria 12 Variety Information A need for natives Pollinatives owner shares why he started a retail nursery for native plants By Teresa McPherson 14 Editors' Picks Green goods: Editors' picks from Cultivate'24 By Debbie Eisele and Heather Machovina 16 CEA LED lighting Utility savings, rebates and more compelling reasons not to wait to incorporate or update By David Kuack 24 Great Lakes EXPO Gearing up for EXPO 2024 By Madi Schafer 26 Perspectives Inventory management in the nursery By Krystal Flogel 28 Culture Report Roselilies By Jessica High 32 Technically Speaking Extended photosynthetically active radiation By Erik Runkle 36 SGAFT Geometry: Small greenhouse surface area distribution By Peter Konjoian 40 AmericanHort Plug & Cutting: Focused on young plants By AmericanHort staff Miss our July issue? It's now available to view on gpnmag.com GREENHOUSE PRODUCT NEWS 3 DEPARTMENTS 4 Editor's Report 42 Product Marketplace 46 Industry News 48 Events 50 Classifieds/Ad Indexhttp://www.gpnmag.com