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