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Polypro Endurance Shallow Speed Tray (No Holes), Black – 4 Count
Reinforced trays with "bumpers" for soil block alignment.
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Polypro Endurance Shallow Speed Tray (No Holes), Black – 24 Count
Reinforced trays with "bumpers" for soil block alignment.
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Soil Block Propagation Trays – 5 Count
These wide-mesh bottom trays are ideal for soil block propagation.
Comparison Chart
Seed-Starting Flats, Trays, Domes & Pots | Comparison Chart (PDF)
Use this comparison chart to learn about and choose flats, trays, domes, and pots compatible with your seed-starting and cultural needs, in a range of sizes and materials, Clear Acrylic Domes; Propagation Domes; 20-Row Seed Flats; Pro-Tray Cell Flats; Plug Flats; Jumbo Plug Flats (Six 6-packs); Pots; Mini Square Plastic Pots; Shallow Black Germination Trays; Shallow White Leakproof Trays; Solid Mesh Trays; Fertil Pots; and plastic pots.
Learn how to start professional-quality seedlings using the 3 key indoor seed-starting methods used at Johnny’s Research Farm. This article covers the key seed-starting tools, supplies, and techniques we use for starting seedlings in our greenhouses, including advantages and drawbacks of each type of system: 1) Trays & Cell Flats; 2) Biodegradable Pots; and 3) Soil Blocks created with Soil-Block Makers, developed in partnership with Johnny's Tools Advisor, Eliot Coleman.
Article
Guidelines for Starting Seeds Indoors | Tips & Troubleshooting Advice for Starting Healthy Seedlings
Starting your own seeds is a great way to extend the growing season, grow a wider selection of varieties, and save money. Here are some guidelines and troubleshooting advice for growers who are starting seeds indoors, from the Research & Trialing team at Johnny's.
Join Niki as she uses the Johnny's 12-Cell Handheld Soil Blocker to start seeds. Learn about the benefits of soil blocking, then watch as she demonstrates how to make soil blocks, step-by-step.
This article describes the basic steps of seed-starting in hydroponic systems and introduces some of the primary environmental variables that affect plant health and productivity in hydroponic systems.
For experienced vegetable farmers looking to expand into commercial cut-flower production, as well as the more casual—yet entrepreneurial—gardener exploring ways to create a tidy income stream on the side, these personal narratives from expert farmers around the nation introduce our top-15 choices for getting started in cut flowers. Remember to take notes as you create your seed lists!
Learn the basics of successful melon growing, with information on diverse netted, or "winter" melon types, from the Johnny's melon research and trialing team. Includes information on melon seed-starting, transplanting melon, melon culture, important type- and variety-specific harvest indicators, as well as best storage conditions and shelf life of Charentais, canary, cantaloupe (muskmelon), Crenshaw, galia (tropical), honeydew, Piel de Sapo, and Asian melon types.
Learn about the advantages of soil blocking, how to choose a soil blocker, how to irrigate, and how to bump-up from smaller to larger sizes.
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.
An introductory guide to the year-round production of microgreens for profit and pleasure, from the Research Team at Johnny's Selected Seeds. Read up on the basics, from selecting which seed varieties to grow, equipment and space considerations to make, to production fundamentals, harvesting technique, and marketing tips.
Johnny's Cucumber Trial Tech Nate Gorlin-Crenshaw distills two reliable and straightforward techniques for grafting greenhouse cucumber variety scions onto 'Tetuskabuto' rootstock.
Visit our library of farming method, tool, accessory, and supply-specific information for assembly and instruction manuals, parts and cost calculators, comparison charts, guides and articles — an extensive set of resources made available by the Tool Research, Design, Development & Trialing Team at Johnny's Selected Seeds.