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Article
Johnny's Hosts Tomato Growers' Roundtable | Press Release
Johnny's Hosts 2015 Tomato Growers' Roundtable, a consortium of tomato growers, researchers, breeders, and educators meet for the free exchange of information and ideas in Albion, Maine. Read More
Article
Grow a Rainbox Mix of Cherry Tomatoes
A colorful and flavorful mixture of cherry tomato varieties is a popular item at farmers markets, farm stands, and supermarkets. Here are some ideas to consider when making your cherry tomato plans! Read More
Article
10 Tips for Growing Heirloom Tomatoes
Growing heirloom tomatoes can be tricky. Use these ten tips from Johnny's research team to help you make growing heirloom tomatoes a success. Read More
Article
French Heritage Tomato Varieties | The Best of the Old World Marries the New
Johnny's is pleased to offer French Heritage Tomatoes to North American growers — old-world heirloom tomato flavor and texture, combined with new world disease resistance, vigor, and yield. Learn what distinguishes each of these new 'hy-loom' varieties, including 'Marmande', 'Marbonne', 'Margold', 'Marnero', and 'Kakao'. Read More
Article
Top-15 Tomatoes for High Tunnel & Hoophouse Production | Diseases & Resistances to Look For, Plant Habits & Variety Recommendations
Learn which tomato varieties are resistant to diseases specific to high tunnel and hoophouse culture, which plant habits are best for protected-culture, and which specific varieties from our field line-up are your best bet, along with a few of our favorite greenhouse varieties. Recommendations for 15 excellent varieties for hoophouse production, from Johnny’s tomato research and trialing team. Read More
Article
Trellising & Crop Support Systems for Tomatoes | Stake & Basket-weave, Stake & Hanging String/Wire, Lower & Lean
A look at tomato trellising systems, with a focus on 3 different systems for trellising tomatoes in the field or protected culture, including instructions on setting up your trellis system from Johnny's Selected Seeds. Read More
Document
Side-Grafting Tomatoes | Advantages, Materials, Technique | Tech Sheet (PDF)
Follow the detailed instructions in this Tech Sheet to reap all the benefits of side-grafting: overcome disease and production-related issues, improve overall crop health, reduce or eliminate pesticide use, lengthen harvest duration, and significantly increase net income. The entire process from sowing of rootstock and scion varieties to final transplanting of grafted plants into greenhouse soil or soilless medium normally takes 6-8 weeks. The major advantage of side grafting is that this method is more forgiving of differing stem diameters than top grafting... Read More
Document
Top-Grafting Tomatoes | Advantages, Materials, Technique | Tech Sheet (PDF)
Follow the detailed instructions in this Tech Sheet to graft desirable fruiting tomato varieties to vigorous, disease-resistant tomato rootstocks as a cost-effective method for overcoming disease and production-related issues; improving overall crop health; reducing or eliminating the need for pesticide use; lengthening harvest duration; and significantly increasing net income. The entire process from sowing of rootstock and scion varieties to final transplanting of grafted plants into greenhouse soil or soilless media normally takes 6-8 weeks. Read More
Document
Basket-weave Trellising Instructions for Tomato & Pepper Plants | Tech Sheet (PDF)
Trellising plants, such as tomatoes and peppers, eliminates fruit-to-soil contact, improves plant health, and can increase marketable yields. Higher-quality and easier-to-pick fruit translates into increased grower profits in the marketplace. The most common crops that basket-weave trellising is used for are tomatoes and peppers. Trellised plants remain upright, are easier to irrigate and harvest, and allow for more effective coverage should spraying become necessary. Trellising also promotes better air circulation that lowers humidity, allowing for more rapid drying following dew, showers, irrigation, or application of sprays... Read More
Document
Greenhouse Tomato Pruning & String Trellising | Tech Sheet (PDF)
This Tech Sheet provides instructions for pruning and string-trellising of greenhouse or hoophouse tomatoes, from Johnny's Selected Seeds. Read More
Document
Tomato Production Challenges & Issues | Tech Sheet (PDF)
A downloadable, printable PDF version of our full article on the most common tomato pathological and physiological issues. Although relatively easy to grow with regular maintenance, tomatoes are not without production challenges — especially from the realm of pests and diseases. Information presented here is an overview of common disease, pests, and physiological problems encountered when growing tomatoes. Read More
Video
Video: How to Prune Tomatoes
You can greatly increase fruit yields from indeterminate tomatoes, and reduce disease pressure, by pruning your field-grown plants. Learn how — it's easy. Read More
Video
Video: 'Clementine' | The Tangerine-Colored, Organic Cocktail Tomato from Johnny's Breeding Team
Here's the story about how Johnny's Breeding Team sought and selected very specific criteria in developing 'Clementine.' Read More
Video
Video: How We Process Our 'Washington Cherry' Tomato Seed
An in-depth look at how we process our 'Washington Cherry' tomato seed at Johnny's Research Farm in Albion, Maine. We give a step-by-step account of how the process works. Read More
Video
Video: How to Manage Late Blight on Tomatoes (Phytophthora infestans)
Steps to take when you spot late blight affecting your tomatoes — options for treating, containing an outbreak, and preventing recurrence. Read More
Video
Video: How to Identify Late Blight on Tomatoes
Late blight (Phytophthora infestans) [Photo: Courtesy of Meg McGrath, Cornell University] occurs commonly each year in many places around the United States and the world. Learn how to recognize late blight. Tips are offered for proper identification of late blight in your garden. Read More
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