Technical Growing Information, Planting Programs & Guides, Comparison Charts & Articles
- Artichokes • Globe • Growing Instructions Tech Sheet (PDF)
- Asparagus • Production from Crowns Tech Sheet (PDF)
- Baby Leaf Greens & Baby Leaf Lettuce • Production Guide Tech Sheet (PDF)
- Belgian Endive (Witloof) • Instructions for Growing & Forcing Tech Sheet (PDF)
- Bush Bean • 'Jumbo' • Hard Seed Coat Tech Sheet (PDF)
- Broccoli • Early-Sprouting / aka Summer-Sprouting • Growing Instructions Tech Sheet (PDF)
- Broccoli • Late-Sprouting / aka Winter-Sprouting &/or Purple-Sprouting • Growing Instructions Tech Sheet (PDF)
- Brussels Sprouts • Growing Instructions Tech Sheet (PDF)
- Cauliflower • Growing Instructions Tech Sheet (PDF)
- Celeriac (Celery Root) • Growing Instructions Tech Sheet (PDF)
- Chicory • Radicchio & Sugarloaf Varieties • Growing Instructions Tech Sheet (PDF)
- Chinese Cabbage • Red Varieties • Growing Instructions Tech Sheet (PDF)
- Corn • Broom Varieties (Sorghum bicolor) • Growing Instructions Tech Sheet (PDF)
- Corn • Super Sweet Varieties • Growing Instructions Tech Sheet (PDF – formerly '10 Golden Rules')
- Cucumbers • Greenhouse Varieties • Production, Pruning & Trellising Tech Sheet (PDF)
- Eggplant • Greenhouse Varieties • Production Tech Sheet (PDF)
- Fennel Bulb • Growing Instructions Tech Sheet (PDF)
- Flower Sprouts® • Growing Instructions Tech Sheet (PDF)
- Garlic • Growing Instructions Tech Sheet (PDF)
- Gourds • Production & Crafting Tech Sheet (PDF)
- Horseradish Root • Growing Instructions Tech Sheet (PDF)
- Husk Cherries • Growing Instructions Tech Sheet (PDF)
- Jerusalem Artichokes / Sunchokes • Growing Instructions Tech Sheet (PDF)
- Kalettes® • Growing Instructions Tech Sheet (PDF)
- Lettuce & Greens Salad Mix Production Tech Sheet (PDF)
- Lettuce • Salanova® Lettuce Production • Growing, Harvesting & Preparation Tech Sheet (PDF)
- Melon • Growing Instructions ( Cucumis melo ) Tech Sheet (PDF)
- Microgreens • Growing Instructions Tech Sheet (PDF)
- Onions • 'Forum' • Production from Sets Tech Sheet (PDF)
- Onions & Leeks • Production from Transplants Tech Sheet (PDF)
- Parsnips • Growing Instructions Tech Sheet (PDF)
- Peppers • Field-Grown Varieties • Production Tech Sheet (PDF)
- Peppers • Greenhouse Varieties • Production Tech Sheet (PDF)
- Potatoes • Greensprouting Instructions Tech Sheet (PDF)
- Potatoes • Growing Instructions from Certified Seed Tech Sheet (PDF)
- Pumpkin Production Tech Sheet (PDF)
- Radicchio & Sugarloaf Chicories • Growing Instructions Tech Sheet (PDF)
- Salad Mix Collection • Growing Instructions Tech Sheet (PDF)
- Scorzonera • Growing Instructions Tech Sheet (PDF)
- Shallots • Growing Instructions from Sets Tech Sheet (PDF)
- Shoots • Growing Instructions Tech Sheet (PDF)
- Sprouts • Growing Instructions for Alfalfa, Broccoli, Fenugreek, Lentil, Mung Bean, Mustard, Onion, Radish & Wheat Seeds Tech Sheet (PDF)
- Summer Squash • Growing Instructions Tech Sheet (PDF)
- Sunflower Shoots • Growing Instructions Tech Sheet (PDF)
- Sweet Potatoes • Growing Instructions from Slips Tech Sheet (PDF)
- Side-Grafting Starter Kit Product Insert (PDF)
- Tomatoes • Growing Instructions from Johnny's Grafted Tomato Plants Tech Sheet (PDF)
- Tomatoes • Guide to Side-Grafting Tomatoes • Advantages, Materials & Technique Tech Sheet (PDF)
- Tomatoes • Guide to Top-Grafting Tomatoes • Advantages, Materials, & Technique Tech Sheet (PDF)
- Tomatoes • 'Maxifort' Rootstock Germination Recommendations Tech Sheet (PDF)
- Top-Grafting Starter Kit Product Insert PDF
- Watermelons • Triploid (Seedless) Varieties • Growing Instructions Tech Sheet (PDF)
- Winter Squash • Growing Instructions Tech Sheet (PDF)
- Beans, Bush (aka Green Beans or String Beans) Dynamic Comparison Chart
- Broccoli
- Broccoli • Standard Varieties Comparison Chart (PDF)
- Broccoli • Mini & Sprouting Varieties Comparison Chart (PDF)
- Brussels Sprouts Varieties Comparison Chart (PDF)
- Cabbage • Standard Types & Varieties Dynamic Comparison Chart
- Cantaloupe Melon Varieties Dynamic Comparison Chart
- Carrots
- Colored Carrot Varieties Photo Comparison Chart (PDF)
- Early Carrot Varieties Photo Comparison Chart (PDF)
- Main Crop & Storage Carrot Varieties Photo Comparison Chart (PDF)
- Cauliflower Varieties Comparison Chart (PDF)
- Chinese Cabbage Types & Varieties Dynamic Comparison Chart
- Corn
- Dry Corn • Ornamental (Broom Corn/Sorghum) & Field Varieties Comparison Chart (PDF)
- Sweet Corn Typology: Normal Sugary, Sugary Enhanced, Synergistic, Super Sweet, & SuperSeedWare Definitions (PDF)
- Sweet Corn Varieties Dynamic Comparison Chart
- Cucumbers
- Greenhouse Cucumber Varieties Dynamic Comparison Chart
- Field-Grown Cucumber Varieties Dynamic Comparison Chart
- Pickling, Slicing, Seedless & Thin-skinned; and Specialty Cucumber Varieties Comparison Chart (PDF)
- Eggplant Varieties Dynamic Comparison Chart
- Garlic Bulb Varieties Dynamic Comparison Chart
- Greens • Baby Leaf Varieties Comparison Chart (PDF)
- Leek Varieties Comparison Chart (PDF)
- Lettuce
- Lettuce Varieties Quick-Reference Comparison Chart (PDF)
- Baby Leaf Lettuce Varieties Dynamic Comparison Chart
- Head Lettuce Varieties Comparison Chart (PDF)
- Full-Size Leaf Lettuce Varieties Dynamic Comparison Chart
- Full-Size Romaine/Cos Lettuce Varieties Dynamic Comparison Chart
- Salanova® Lettuce Varieties Dynamic Comparison Chart
- Melon Varieties (Cucumis melo) Dynamic Comparison Chart
- Microgreens
- Fast-Growing Vegetable Microgreen Varieties Dynamic Comparison Chart
- Slow-Growing Vegetable, Herb & Flower Microgreen Varieties Dynamic Comparison Chart
- All Our Microgreen Varieties Comparison Chart / Brochure Insert (PDF)
- Microgreens Yield Trial • Comparison Chart for 29 Popular Varieties Tech Sheet with Chart (PDF)
- Microgreens Yield Trial • RAW DATA (XLS)
- Onions • Full-size Varieties Dynamic Comparison Chart
- Ornamental Gourd Varieties Dynamic Comparison Chart
- Pac Choi (Bok Choy) Varieties Dynamic Comparison Chart
- Peas • Shell & Snap Varieties Dynamic Comparison Chart
- Peppers
- Green-to-Red & Colored Sweet Bell Pepper Varieties Dynamic Comparison Chart
- Cayenne Pepper Varieties Comparison Chart (PDF)
- Potato Varieties Dynamic Comparison Chart
- Pumpkins
- Jack-o'-Lantern Varieties Dynamic Comparison Chart
- Pie Pumpkin Varieties Comparison Chart (PDF)
- Specialty Pumpkin Varieties Dynamic Comparison Chart
- White Pumpkin Varieties Comparison Chart (PDF)
- Radicchio Varieties Comparison Chart (PDF)
- Shoot Varieties Dynamic Comparison Chart
- Radish • Specialty & Daikon Varieties Comparison Chart (PDF)
- Spinach Varieties Comparison Chart (PDF)
- Sprout Varieties Dynamic Comparison Chart
- Swiss Chard Varieties Dynamic Comparison Chart
- Tomatoes
- Determinate Tomato Varieties Dynamic Comparison Chart
- Greenhouse Tomato Varieties Dynamic Comparison Chart
- Heirloom Tomato Varieties Dynamic Comparison Chart
- Indeterminate Tomato Varieties Dynamic Comparison Chart
- Paste, Plum & Roma Tomato Varieties Dynamic Comparison Chart
- Watermelon Varieties (Citrullus lanatus var. lanatus) Dynamic Comparison Chart
- Winter Squash
- Broccoli • Standard Varieties • Planting Program
- Broccoli • Mini & Sprouting Varieties • Planting Program
- Brussels Sprouts • Planting / Harvesting Program
- Cauliflower • Planting Program
- Lettuce • Full-Head Varieties • Planting Program
- Leeks • Planting / Harvesting Program
- Radicchio • Planting Program
- Radish • Specialty & Daikon Varieties • Planting Program
- Spinach • Planting Program
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- Guidelines for Starting Seeds Indoors: Tips & Troubleshooting Advice for Starting Healthy Seedlings • Article
- Transplanted Vegetable Crops : Plant Quantity & Yield + Feet of Row per Acre • CHARTS
- Direct-Seeding Guidelines from Johnny's • How to Direct-Sow Your Seeds in the Garden or Field • Article
- Direct-Seeded Vegetable Crops • Average Seed Quantity Needed & Average Yield per Row or Acre • CHART
- Jang JP Series Seeders • 2016 Roller Trial | VEGETABLE Variety Cross-Reference Chart • XLSX
- Precision Vacuum Seeder Trials Results | Plate Recommendations for VEGETABLES • XLSX
- 10 Ways to Extend Your Growing Season Article
- Beans
- Johnny's Bean Basics • Main Types & Subtypes Article
- Snap Beans • Selecting for Flavor • Recommended Varieties Article
- Pole Beans • Advantages • Growing Under Cover • Flat-Pod, Round-Pod & Yard-Longs • Recommended Varieties Article
- Dry Beans • The Role of the Dry Bean • Diversity & Lore • Maximizing ROI with Dry Beans Article
- Bean FAQs
- Beets, Bulb Fennel & Kale • 3 Growing Trends for Fall Vegetable Markets Article
- Be First & Last to Market Article
- Brassicas
- Brassica Production • Timing, Temperature & Fertility Article
- Common Pests & Diseases of Brassicas Article
- Diversified Broccoli • 4 Unique Types • Recommendations for Success with an Important (but Sensitive) Crop Article
- Carrot Growing Guide
- 4 Keys to Successful Carrot Culture: Bed Preparation, Spacing, Weeding & Watering Article
- Season Extension • Types & Varieties to Get the Most from Your Carrot Beds Article
- Carrot Harvesting, Post-Harvest Handling & Storage Tips Article
- Quick Guide to Carrot Pests & Diseases Article
- Multicolored Carrots • Shape, Uniformity, Smoothness, Color & Flavor Article
- Cucumber Types & Terminology Tech Sheet (PDF)
- Disease Resistance Codes for Vegetables (PDF)
- The Effect of Day Length on Crop Production Article
- Getting Started with Value-Added Foods & Farm Goods Article
- Greenhouse Varieties: How We Trial & Select the Best Varieties for Protected Culture Article
- Greens
- Greens for All Growers • A 3-Tiered Marketing Approach Article
- Johnny's Asian Greens • 10 World-Class Greens Varieties + 5 Easy Recipes Article
- Hot Weather Practices
- Beat the Heat • Cultural Practices to Offset Summer Heat Article
- Getting Cool-Weather Crops Through Summer's Heat Article
- Cooling & Storing Summer-Harvested Vegetable Crops Chart
- Hydroponic Growing
- Introduction to Hydroponic Growing • Types of Systems; How Hydroponics Differs from Growing in Soil; Scheduling Plantings; Specialty Techniques; How to Choose Varieties for Hydroponic Production Article
- Hydroponic Growing Media • Common Options & Selecting a Medium, Using Plugs vs Soilless Medium, Monitoring Salt Build-up & Maintaining Medium Hygiene Tech Sheet (PDF)
- Hydroponic Seed-Starting for Healthy Hydroponic Seedlings • How to Begin, What to Monitor & Why Article
- Hydroponic Seed-Starting & Environmental Variables • Basic Steps of Seed-Starting & Specifications Affecting Plant Health & Productivity Tech Sheet • Printable PDF version of above article
- Hydroponics Information Guide 4-pp Brochure (PDF)
- Hydroponics Variety Listing Insert (PDF)
- Pests & Diseases of Greenhouses & Hydroponic Systems Tech Sheet (PDF)
- Lettuce
- Hydroponic Lettuce Varieties from Johnny's 4-pp Brochure (PDF)
- Lettuce for Every Grower • How to Choose & Grow the Best Types & Varieties Article
- Growing Mini vs. Full-Size Head Lettuce • A Look at the ROI Article
- One-Cut Lettuce Varieties • How We Trial & Select the Best 2-pp Insert (PDF)
- Salanova Lettuce® • Marketing Ideas Brochure (PDF)
- Melon Growing Basics • Seed Starting, Transplanting, Culture, Harvest Indicators, Storage & Shelf Life Article
- Microgreens
- Microgreens • Top Picks for Beginners Article
- Guide to Year-Round Microgreens Production for Profit Article
- Microgreens • Planning, Cultural Methods, Harvesting & Marketing 4-pp Brochure (PDF)
- Fast-Growing & Slow-Growing Herb, Flower & Vegetable Microgreen Varieties Comparison Chart (PDF)
- Microgreens Yield Data Trial • Background • Materials & Methods • Summary of Findings • Discussion • Conclusion Article
- Microgreens Yield Data Trial • Comparison Chart of AVERAGES for 29 Popular Varieties Tech Sheet with Chart (PDF)
- Microgreens Yield Data Trial • RAW DATA (XLS)
- Onions
- Onion Bulb Formation, Daylength & Latitude: Map & Key Features of Long-Day, Intermediate-Day & Short-Day Onions
- Overwintering Onions for Spring Harvest: Recommendations from Johnny's Overwintering Trial Article
- Peas: Variety Selection at Johnny's • The Story of 'Sugar Ann' Snap Pea Article
- Peppers
- Tips for Successful Pepper Seedlings • Grow Transplants Like a Pro Article
- Johnny's Hot Pepper Palooza • 10 Types That Bring the Heat Article
- Basket-Weave Pepper Trellising Tech Sheet (PDF)
- Planning for Opening Day Article
- Pumpkin Types & Varieties 4-pp Brochure (PDF)
- Salad Mixes & Microgreens Mixes Spec Sheet (PDF)
- Seed Storage Guide Tech Sheet (PDF)
- Storage Crops • Optimal Long-term Storage Through Fall & Winter Recommended Guidelines
- Succession Planting
- Succession Planting • Strategies for Providing a Continuous Supply Article
- Succession Planting • Recommended Vegetable Crops
- Succession Planting • Interval Timing for Vegetables Chart
- Sweet Potatoes: Tips for Starting Your Slips • Easy-to-follow Recommendations from Our Field Trials Article
- Tomatoes
- 3 Ways to Choose the Right Tomato Varieties Article
- 10 Tips for Growing Heirloom Tomatoes (and Their Modern Hy-Loom Counterparts) Article
- On Our "New for 2019" Open-Pollinated Tomato Revivals • Breathing New Life into Time-Worn Gifts from the Past Article
- Grow a Rainbow Mix of Cherry Tomatoes Article
- French Heritage Tomatoes • The Best of the Old World Marries the New Article
- Top-15 Tomatoes for High Tunnel & Hoophouse Production • Diseases & Resistances to Look For • Key Plant Habit Features • Variety Recommendations Article
- Trellising & Crop Support Systems for Tomatoes: Advantages, Main Types, Set-up & How-to Article
- Greenhouse Tomatoes • Pruning & String Trellising Tech Sheet (PDF)
- Basket-Weave Tomato Trellising Tech Sheet (PDF)
- Side-Grafting Tomatoes: Advantages, Materials & Technique Tech Sheet (PDF)
- Side-Grafting Starter Kit Product Insert (PDF)
- Top-Grafting Tomatoes: Advantages, Materials & Technique Tech Sheet(PDF)
- Top-Grafting Starter Kit Product Insert (PDF)
- Common Tomato Pests, Diseases & Physiological Disorders • An Overview of Biotic & Abiotic Problems Article
- Tomato Production Challenges & Issues Tech Sheet (PDF)
- Variety Selection Considerations Tech Sheet (PDF)
- Winter Growing Guide
- Intro to Winter Growing
- Winter High Tunnel Scheduling Guidelines
- Planting Chart for Winter-Harvest Crops Chart
- Winter Production in the High Tunnel
- Overwintering Scheduling Guidelines
- Planting Chart for Overwintering Crops Chart
- Protection Methods for Overwintering in Low Tunnels
- Crops & Varieties for Winter Growing
- View Winter Growing Seeds, Tools & Supplies
- Download Johnny's Winter Growing Guide 8-pp Brochure (PDF)
- Winter Squash & Edible Pumpkins
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