Technical Growing Information, Planting Programs & Guides, Comparison Charts & Articles
TIP: For crop-by-crop resources, click on the crop of choice in the menu at left (desktop) or the dropdown menu (mobile). To view by type of resource, use the menu at right (desktop only).
Tech Sheets
- Artichokes, Globe • Growing Instructions Tech Sheet (PDF)
- Asparagus • Growing Instructions, 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)
- 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)
- Cucumbers • Greenhouse Varieties • Growing, Pruning & Trellising Instructions Tech Sheet (PDF)
- Eggplant • Greenhouse Varieties • Growing Instructions Tech Sheet (PDF)
- Fennel Bulb • Growing Instructions Tech Sheet (PDF)
- Flower Sprouts® • Growing Instructions Tech Sheet (PDF)
- Garlic • Growing Instructions Tech Sheet (PDF)
- Gourds • Growing Instructions & Crafting Ideas 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 • Salanova® Lettuce • Growing, Harvesting & Preparation Instructions Tech Sheet (PDF)
- Melon • Growing Instructions ( Cucumis melo ) Tech Sheet (PDF)
- Microgreens • Growing Instructions Tech Sheet (PDF)
- Onions • 'Forum' • Growing Instructions, from Sets Tech Sheet (PDF)
- Onions & Leeks • Growing Instructions, from Transplants Tech Sheet (PDF)
- Parsnips • Growing Instructions Tech Sheet (PDF)
- Peppers • Field-Grown Varieties • Growing Instructions Tech Sheet (PDF)
- Peppers • Greenhouse Varieties • Growing Instructions Tech Sheet (PDF)
- Potatoes • Greensprouting Instructions Tech Sheet (PDF)
- Potatoes • Growing Instructions, from Certified Seed Tech Sheet (PDF)
- Pumpkins • Growing Instructions 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 • 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)
Comparison Charts
- Beans, Bush (String Beans, Green Beans) Comparison Chart (PDF)
- Broccoli • Standard Varieties Planting–Harvesting Program / Comparison Chart (PDF)
- Broccoli • Mini & Sprouting Varieties Planting–Harvesting Program / Comparison Chart (PDF)
- Brussels Sprouts Varieties Planting–Harvesting Program / Comparison Chart (PDF)
- Cabbage • Standard Types & Varieties Comparison Chart (PDF)
- Cabbage • Chinese Types & Varieties Comparison Chart (PDF)
- Cantaloupe Varieties Comparison Chart (PDF)
- Carrots • Colored Varieties Photo Comparison Chart (PDF)
- Carrots • Early Varieties Photo Comparison Chart (PDF)
- Carrots • Main Crop & Storage Varieties Photo Comparison Chart (PDF)
- Cauliflower Varieties Planting Program / Comparison Chart (PDF)
- Corn • Dry Ornamental & Field Varieties Comparison Chart (PDF)
- Corn • Sweet Typology: Normal Sugary, Sugary Enhanced, Synergistic & Super Sweet Definitions (PDF)
- Corn • Sweet Varieties Comparison Chart (PDF)
- Cucumbers • Greenhouse Varieties Comparison Chart (PDF)
- Cucumbers • Field-Grown Varieties Comparison Chart (PDF)
- Cucumbers • Pickling, Slicing, Seedless & Thin-skinned; and Specialty Varieties Comparison Chart (PDF)
- Eggplant Varieties Comparison Chart (PDF)
- Garlic Bulb Varieties Dynamic Comparison Chart
- Gourds • Ornamental Varieties Comparison Chart (PDF)
- Greens • Baby Leaf Varieties Comparison Chart (PDF)
- Leek Varieties Planting–Harvesting Program / Comparison Chart (PDF)
- Lettuce Varieties • Quick-Reference Comparison Chart (PDF)
- Lettuce • Baby Leaf Varieties Comparison Chart (PDF)
- Lettuce • Head Varieties Planting Program / Comparison Chart (PDF)
- Lettuce • Full-Size Leaf Varieties Comparison Chart (PDF)
- Lettuce • Full-Size Romaine/Cos Varieties Comparison Chart (PDF)
- Lettuce, Salanova® Varieties Comparison Chart (PDF)
- Melon Varieties (Cucumis melo) Comparison Chart (PDF)
- Microgreens • Fast-Growing Vegetable Varieties Comparison Chart (PDF)
- Microgreens • Slow-Growing Vegetable, Herb & Flower Varieties Comparison Chart (PDF)
- Microgreens • All 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 (XLSX)
- Onions • Full-size Varieties Comparison Chart (PDF)
- Pac Choi (Bok Choy) Varieties Comparison Chart (PDF)
- Peas • Shell & Snap Varieties Comparison Chart (PDF)
- Peppers • Green-to-Red & Colored Sweet Bell Varieties Dynamic Comparison Chart
- Peppers • Cayenne Varieties Comparison Chart (PDF)
- Potato Varieties Comparison Chart (PDF)
- Pumpkins • Jack-o'-Lantern Varieties Comparison Chart
- Pumpkins • Pie Varieties Comparison Chart (PDF)
- Pumpkins • Specialty Varieties Comparison Chart (PDF)
- Pumpkins • White Varieties Comparison Chart (PDF)
- Radicchio Varieties Planting Program / Comparison Chart (PDF)
- Shoots Varieties Comparison Chart
- Radish • Specialty & Daikon Varieties Planting Program / Comparison Chart (PDF)
- Spinach Varieties Planting Program / Comparison Chart (PDF)
- Sprouts Varieties Comparison Chart (PDF)
- Swiss Chard Varieties Comparison Chart (PDF)
- Tomatoes • Determinate Tomato Varieties Comparison Chart (PDF)
- Tomatoes • Greenhouse Tomato Varieties Comparison Chart (PDF)
- Tomatoes • Heirloom Tomato Varieties Comparison Chart (PDF)
- Tomatoes • Indeterminate Tomato Varieties Comparison Chart (PDF)
- Tomatoes • Paste, Plum & Roma Tomato Varieties Comparison Chart (PDF)
- Watermelon Varieties (Citrullus lanatus var. lanatus) Comparison Chart (PDF)
- Winter Squash Types & Varieties Comparison Chart (PDF)
- Winter Squash Curing & Storage Periods by Type & Variety Article + Chart
Vegetable Planting / Harvesting Programs
- 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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Vegetable Seeding, Seeder & Transplanting Guides & Charts
- 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
Articles & Additional Resources for Vegetables
- 8 Great Vegetables for Beginner Gardeners • from Seed to Harvest Article + VIDEOS
- 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 + Recipes
- Hot Weather Practices
- Beat the Heat • Cultural Practices to Offset Summer Heat Article
- Getting Cool-Weather Crops Through Hot Weather Spells 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
- Choosing Your Hydroponic Grow Medium • A Review of Common Types • Selecting a Medium, Using Plugs vs. Soilless Media, Monitoring Salt Build-up & Grow Medium Hygiene Article
- Hydroponic Growing Media Tech Sheet • Printable PDF version of above article
- 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 Brochure 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 4-pp 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 (XLSX)
- Onions
- Onion Bulb Formation, Daylength & Latitude: Maps & Key Features of Long-Day, Intermediate-Day & Short-Day Onions Maps
- Overwintering Onions for Spring Harvest: Recommendations from Johnny's Overwintering Trials Article
- Peas: Variety Selection at Johnny's • The Story of 'Sugar Ann' Snap Pea Article
- Peppers
- Tips for Successful Pepper Seedlings • Grow Professional-Quality Transplants 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 Table
- 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
- Variety Selection Considerations Tech Sheet (PDF)
- Winter Growing Guide
- Intro to Winter Growing Article
- Winter High Tunnel Scheduling Guidelines Article
- Planting Chart for Winter-Harvest Crops Chart
- Winter Production in the High Tunnel Article
- Overwintering Scheduling Guidelines Article
- Planting Chart for Overwintering Crops Chart
- Protection Methods for Overwintering in Low Tunnels Article
- Crops & Varieties for Winter Growing Article
- Winter Growing Seeds, Tools & Supplies Product List
- Johnny's Winter Growing Guide 8-pp Brochure (PDF)
- Winter Squash & Edible Pumpkins
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