Garden & Greenhouse April 2018 Issue | Page 4

Garden & Greenhouse Volume 15, Issue 3 ■ April 2018 T able of C ontents 12 G&G Cover Story Cold Frames 6 45 Using Light Deprivation to Increase Harvests Homemade Organic Pesticides 20 Easy Plant Tissue Culture Clones 30 46 Growing Zucchini 48 Hardening Off Your Seedlings How to Save a Winter Damaged Plant 34 49 Pesticide Use Guidelines for Orchids Frozen Plants! Or . . . not. 38 50 Creating the Perfect Nutrient Solution for the Veg and Flower Stages Coral Bells are a Low Maintenance Landscape Plant 40 Cyclamen Persicum is a Great Plant for Your Greenhouse 41 Seed Bombs Add Biodiversity 42 Microbe Plant Interactions in Nature page 20 page 40 51 Preventing Pest Infestations in a Greenhouse 56 Plants, Products & More 58 Garden & Greenhouse Business Cards 44 Adding Plants Improves Productivity and Worker Health page 51 Garden & Greenhouse For Small Greenhouse Growers & Retailers, Hobby Greenhouse Owners and Indoor & Outdoor Gardeners Nichols Publishing Company 6170 Forest Hills Drive Dubuque, IA 52002 PHONE: 563.557.7571 FAX: 563.557.7641 [email protected] www.GardenAndGreenhouse.net Offi ce Manager Terri Nichols Publisher Robin Nichols [email protected] PHONE: 563.557.7571 FAX: 563.557.7641 [email protected] Contributing Editors Bill Baugh John Berends Marion Catubig Eric Hopper Mike James Dr. J Benton Jones, Jr. Mike McGroarty 4 Jeff Sanders Clair Schwan Andrew Taylor Caron Wenzel $150 per year, payable in U.S. funds. Sub- scription requests must include name, job title, business type, address information, a signature and date. Graphic Designer Char Thumser Advertising & Editorial Inquiries Garden & Greenhouse ISSN 1559-9973, is published 10 times per year, by Nichols Publishing Company, Inc., and is distributed without charge to qualifi ed subscribers in the United States. Non-qualifi ed subscription rates in the U.S., $19 per year; Canada and Mexico $75 per year; all other countries, The publisher makes no representation concerning any product or service advertised in this publication. Garden & Greenhouse Magazine serves only as a medium for sell- ers to reach potential buyers and does not warrant the accuracy of any advertisement. Garden & Greenhouse Magazine makes every effort to eliminate any typographical errors and assumes no responsibility for misspelling names of people from handwrit- ten copy. All editorial items submitted are subject to editing and alteration at the dis- cretion of the publisher. Publisher reserves the right to refuse any item for publication at www.GardenandGreenhouse.net the sole discretion of the publisher. Design and format of this magazine is protected by the copyright laws of the U.S.A. Reproduc- tion of this publication in whole or in part is prohibited. POSTMASTER: Please send address changes to Garden & Greenhouse, 6170 Forest Hills Drive, Dubuque, IA 52002. April 2018