- Artichokes
- Asparagus
- Baby Leaf
- Beans
- Beets
- Broccoli
- Brussels Sprouts
- Burdock
- Cabbage
- Carrots
- Cauliflower
- Celery & Celeriac
- Chicory
- Chinese Cabbage
- Collards
- Corn
- Cucumbers
- Eggplant
- Fennel
- Garlic
- Gourds
- Greens
- Horseradish
- Husk Cherry
- Kale
- Kalettes
- Kohlrabi
- Leeks
- Lettuce
- Melons
- Microgreens
- Mushrooms
- Okra
- Onions
- Parsnips
- Peas
- Peppers
- Potatoes
- Pumpkins
- Radishes
- Rutabagas
- Scorzonera & Salsify
- Shallots
- Shoots
- Spinach
- Sprouts
- Summer Squash
- Sweet Potatoes
- Swiss Chard
- Tomatillos
- Tomatoes
- Turnips
- Watermelons
- Winter Squash
Vegetable Grower's Library
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) or the menu at the bottom of the page (mobile).
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) or the menu at the bottom of the page (mobile).
Key Growing Information
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)
- 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)
- Mushrooms: Almond Agaricus & Wine Cap from Sawdust Spawn• Growing Instructions • Tech Sheet (PDF)
- Mushrooms: Lion's Mane from Sawdust Spawn• Growing Instructions • Tech Sheet (PDF)
- Mushrooms: Oysters from Sawdust Spawn • Growing Instructions • Tech Sheet (PDF)
- Mushrooms: Plug Spawn • Growing Instructions • Tech Sheet (PDF)
- Mushrooms: Shiitake from Sawdust Spawn • Growing Instructions • Tech Sheet (PDF)
- Mushroom 'Spray & Grow' Kit • 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 Program Comparison Chart (PDF)
- Broccoli • Mini & Sprouting Varieties • Planting Program Comparison Chart (PDF)
- Brussels Sprouts Varieties • Planting 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 • Main Crop & Storage Varieties • Photo Comparison Chart (PDF)
- Cauliflower Varieties • Planting Program Comparison Chart (PDF)
- Corn • Dry Ornamental & Field Varieties • Comparison Chart (PDF)
- Corn • Corn Types & Isolation Requirements • Article & Chart
- Corn • Sweet Varieties • Comparison Chart (PDF)
- Cucumbers • Greenhouse Varieties • Comparison Chart (PDF)
- Cucumbers • Field-Grown Varieties • Comparison Chart (PDF)
- Eggplant Varieties • Comparison Chart (PDF)
- Gourds • Ornamental Varieties • Comparison Chart (PDF)
- Greens • Baby Leaf Varieties • Comparison Chart (PDF)
- Leek Varieties • Planting 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 & Slow Varieties • Comparison Chart (PDF)
- Microgreens • Yield Trial • Comparison Chart for 29 Popular Varieties • Tech Sheet + 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 • 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 • 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 • Charticle
Vegetable Planting / Harvesting Programs
- Broccoli • Standard Varieties • Planting Program
- Broccoli • Mini & Sprouting Varieties • Planting Program
- Brussels Sprouts • Planting Program
- Cauliflower • Planting Program
- Lettuce • Full-Head Varieties • Planting Program
- Leeks • Planting Program
- Radicchio • Planting Program
- Radish • Specialty & Daikon Varieties • Planting Program
- Spinach • Planting Program
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View ALL
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
- 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
- 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
- Cucumbers
- Cucumber Types & Terminology • Tech Sheet (PDF)
- Cucumber Grafting • Advantages, Materials & Technique • Article
- 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 Seed-Starting for Healthy Hydroponic Seedlings • How to Begin, What to Monitor & Why • Article
- Pests & Disease Control Basics in Greenhouse, Hydroponic & Other Protected-Culture Systems • Article
- Growing Garden Seeds by Robert Johnston, Jr.
- Lettuce
- Hydroponic Head Lettuce • Digital Catalog
- 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
- Salanova Lettuce® • Marketing Ideas • 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
- 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 • PDF
- Microgreens Yield Data Trial • RAW DATA • XLSX
- Mushrooms
- Log Inoculation Calculator • Article & Chart
- Mushroom Glossary of Terms • Article
- Substrate Types for Growing Mushrooms • Article
- Suitability of Tree Species for Growing Mushrooms • Chart
- 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
- Basket-Weave Pepper Trellising • Tech Sheet (PDF)
- Growing Tips for Successful Pepper Transplants • Article
- Johnny's Hot Pepper Palooza • 10 Types That Bring the Heat • Article
- Johnny's OP Stewardship Project: Restoration of 'Hungarian Hot Wax' Pepper
- Pumpkin Types & Varieties • PDF
- Salad Mixes & Microgreens Mixes • Line Sheet (PDF)
- Seed Storage Guide • Article
- Storage Crops • Optimal Long-term Storage Through Fall & Winter • 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
- Johnny's 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 • Instructions (PDF)
- Top-Grafting Tomatoes: Advantages, Materials & Technique • Tech Sheet(PDF)
- Top-Grafting Starter Kit • Instructions (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
- Winter Squash & Edible Pumpkins
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