Package of Johnny's Selected Seeds
Package of Johnny's Selected Seeds

Johnny's Growing Guides

Take the guesswork out of planning, planting, and growing with these resources from Johnny's. We take pride in providing useful, timely, and accurate information to help you succeed, whether you're a professional grower or just starting out. If you can't find what you're looking for on our website or have a suggestion for a resource to add, please contact us.

Grower's LibraryJohnny's Growers Library
Download helpful technical production sheets, manuals, charts, growing guides, in-depth articles, and more.
  Johnny's VideosJohnny's Videos
Watch video clips demonstrating Johnny's tools, season extension methods, pest and disease control, and more.
  Cooperative ExtensionCooperative Extension
Extension services provide research-based, agricultural and horticultural advice specific to your region.

Seed Calculatorseed calculator
This web tool assists you in determining the number of seeds or plants you need for a known area of planting.
Interactive ToolsInteractive Tools
Online calculators and spreadsheets to help you plan when to start seeds, transplant, and harvest crops.
Try Tools  »
Hardiness Zone MapUSDA map
Use this recently updated USDA map to identify your hardiness temperature zone in North America.
View Map  »

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Get the JSS Advantage
JSS Advantage

Johnny's monthly email newsletter features articles on a wide range of topics related to growing — from practical basics to advanced techniques, as well as key product information, emerging trends, and recommendations from the expert research, breeding, and sales teams at Johnny's Selected Seeds.

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• Browse Past Issues »

We publish our blog several times a week, sharing the latest news, events, photos, videos, and growing tips from Johnny's Research Farm.

• Read Our Blog »


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