CONTENTS THE BUSINESS MAGAZINE FOR COMMERCIAL GROWERS AUGUST 2019 | VOLUME 29, NUMBER 8 16 36 On the Cover Combinations continue to draw the consumer's eye at retail, but which recipes will continue to perform throughout the season? Turn to page 38 to learn more. (Photo: Proven Winners) 00 22 DEPARTMENTS FEATURES 22 Fresh Fare The Proof Is in the Plant Here are nine new All-America Selections edible winners to add to your assortment. By Diane Blazek 26 Research Heat Delay in Poinsettias This is the first article in a three-part research series examining various issues in greenhouse production. By Paul Fisher, Jim Faust and Michael Tierney 30 Production Perennials: Size Matters How can larger starting materials increase your profitability? By Paul Pilon 36 Culture Report Impatiens Sunstanding Series This collection is bred to be the most uniform series of sun-tolerant impatiens, period. By Chris Berg 4 AUGUST 2019 GPNMAG.COM 38 COLUMNS 14 16 Duets Adding Edible Crops to an Ornamentals Operation: Food Safety is a Different Ball Game By Peter Konjoian and Beth Scheckelhoff 38 Vaughn's View Colorful Combination Baskets By Vaughn Fletcher 50 Technically Speaking Managing Light Pollution By Erik Runkle Perspectives What's Trending in Floral Design? By Marta Maria Garcia gpn GREENHOUSE PRODUCT NEWS Stars of Spring Trials p. 20 INSIDE: 2020 Garden Trends Lighting in Young Plant Production Using Biopesticides JULY 2019 GREAT AMERICAN MEDIA SERVICES GPNMAG.COM Miss our July issue? It's now available to view on gpnmag.com 6 Editor's Report 8 Industry News 12 Chat Room 34 New Products 48 Variety Spotlight 49 Classifieds/Ad Indexhttp://www.GPNMAG.COM http://www.gpnmag.com http://www.GPNMAG.COM