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Article
Overwintering Onions from Seed | Johnny's Selected Seeds
Here are the steps that we used to overwinter onions from seed on our research farm. We include variety recommendations and potential diseases and problems. Read More
Article
Be First & Last to Market by Extending Your Growing Season
Using unheated hoophouses, Quick Hoops, and row cover with storage, cold-tolerant, and cold-hardy crops can help you be first and last to market from Johnny's Selected Seeds. Read More
Article
Recommended Varieties from Our Greenhouse Trials | What We Look For in Greenhouse Crops
Learn what makes a variety good for growing in greenhouses, hoophouses, and poly tunnels, with favorite variety recommendations for greenhouse culture from the research team at Johnny's Selected Seeds. Details on which specific plant habit, vine, fruit, and disease resistance characteristics to look for when determining which cultivars to grow in the protected-culture setting, including our crop experts' recommendations for specific tomato, pepper, cucumber, eggplant, and lettuce types and varieties. Read More
Article
Why Grow in a Greenhouse? Basics & Advantages of Protected Culture
Learn the basics of greenhouse growing from Johnny's: pros and cons, tools and supplies, and what to grow in your greenhouse for the best return on your investment. Read More
Article
Beginning & Intermediate Controlled Environment Agriculture (CEA) | Advances in Greenhouse Crop Production
An introduction to controlled environment agriculture (CEA), with an overview of greenhouse design and environmental control, growing systems, irrigation and mineral nutrition, hydroponics, biological controls, and considerations regarding location, marketing, suitable crops and varieties, workshops and continuing education opportunities, by Dr. Merle Jensen, Professor Emeritus and Founder, University of Arizona Controlled Environment Agriculture Center (UA-CEAC). Read More
Article
The Effect of Shorter Daylength on Winter Production
Learn about the roles day length and temperature play as critical environmental factors affecting plant growth, particularly the length of dark periods. Read More
Article
Planning for Opening Day at the Farmers' Market or for Wholesale Accounts
Read more about what is takes to plan for opening day at the market or wholesale accounts, using Johnny's Target Harvest Date calculator to determine when to plant. Read More
Article
10 Ways to Extend Your Season with Protected Cultivation
Learn 10 different ways to extend your season using protected cultivation, with quick tips and recommendations from Johnny's Selected Seeds. Read More
Article
Winter Growing Guide | Introduction & Part 1: Scheduling Your Winter-Harvest High Tunnel
Based on our extensive winter trials, this guide offers specific planting charts and guidelines for a successful winter harvest and overwintering program, with recommendations on what to plant and when to plant it. Read More
Article
Winter Production in the High Tunnel | Johnny's Winter Growing Guide
An overview of winter production techniques for the high tunnel, from Johnny's Selected Seeds. Read More
Article
Winter Growing Guide | Scheduling Guidelines for Overwintered Crops
Scheduling guidelines for overwintered crops, with recommendations on how to determine your planting dates, from the research and trialing team at Johnny's Selected Seeds. Read More
Article
Winter Growing Guide | Protection Methods for Overwintering in Low Tunnels
Summary of overwintering protection methods for low tunnels, from the experts at Johnny's Selected Seeds. Information on low tunnel covers, Quick Hoops low tunnels, electrical metal tubing (EMT), Agribon on low tunnels, low tunnel benders, PVD, Agribon-19, protection from frost, ventilating low tunnels, and 4 mil greenhouse film, relative to early spring harvest. Read More
Article
Quick Hoops Low Tunnels | Set-up & Management with Eliot Coleman
An illustrated set of step-by-step instructions from Eliot Coleman on how to set up and manage your Quick Hoops low tunnels from Johnny's Selected Seeds. Read More
Article
Protect Your Crops | High & Low Tunnel Basics
A review of basic high and low tunnel components, the rudiments for season extension and protected culture growing, with Lynn Byczinski and Johnny's Selected Seeds. Read More
Document
Hoop Loops | Installation Instructions | Tech Sheet (PDF)
Hoop loops are ideal for supporting one or multiple layers of row cover for low tunnels in protected culture. The loops twisted into each hoop allows for string to be stretched the entire length of the row without having to tie any knots, making installation and removal quicker. Each hoop is made of #6 galvanized steel. Johnny's offers 3 different hoop widths to accommodate varying bed widths. Follow these installation instructions for best results. Read More
Comparison Chart
Row Cover & Insect Netting Options & Uses | Comparison Chart (PDF)
A full-color, downloadable and printable (PDF) comparison chart of row cover and insect netting options and uses. Read More
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