Garden & Greenhouse June 2017 Issue | Page 4

Garden & Greenhouse Volume 15, Issue 5 ā–  June 2017 T able of C ontents 24 Plug ā€˜Nā€™ Grow Controllers 6 49 Enzymes, Amino Acids and Plant Hormones Why Fabric Weed Barriers Do Not Work 18 50 Vertical Gardening Within a Greenhouse Proper Mulching for Organic Gardens 30 52 Understanding Plant Soil Feedback Earwigs are Both Good and Bad 34 53 8 Tips for Making the Most of Your Greenhouse Grow Tent Purchasing Tips 40 Understanding the Dry Line in Semi- Hydroponics for Orchids 44 The 9 Best Herbs to Grow Indoors page 6 page 34 56 Products, Plants & More 59 Garden & Greenhouse Business Card Directory 46 Probiotic Farming Practices page 53 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 Mary Ann Berdak Bill Baugh John Berends Bill Baugh Marion Catubig Eric Hopper Dr. J Benton Jones, Jr. 4 Mike McGroarty Jeff Sanders Clair Schwan Caron Wenzel Graphic Designer Char Thumser Advertising & Editorial Inquiries Questions for our gardening experts should be submitted to Ques- [email protected]. 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, $150 per year, payable in U.S. funds. Sub- scription requests must include name, job title, business type, address information, a signature and date. 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- www.GardenandGreenhouse.net 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 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. June 2017