Written by our research team, this reference contains the Key Growing Information for bunching onions (scallions) from seed, from sowing and transplanting to watering, disease prevention, and harvest. Read more for a successful harvest!
Written by our research team, this reference contains the Key Growing Information for cipollini, mini, and specialty onions from seed, from sowing to transplanting, watering, and harvesting. Read more for a successful harvest!
We explain the difference between short, intermediate, and long day onions. Use our map to check your latitude and choose the best onion type for your location.
Key Growing Information

Onion Sets | Key Growing Information

Written by our research team, this reference contains the Key Growing Information for production of onions from sets. Read more for a successful harvest!
Follow the instructions in this Tech Sheet for successful production of 'Forum' onions from sets. Fill the gap between last year's storage onions and this year's seed-grown onions, producing a useable crop as early as the first weeks of July.
A full-color, downloadable, printable (PDF) version of our Full-Size Onion Comparison Chart.
Key Growing Information

Onions | Key Growing Information

Written by our research team, this reference contains the Key Growing Information for onions from seed. Read more for a successful harvest!
Follow the instructions in this Tech Sheet for growing live onion (Allium cepa) and/or leek (Allium porrum) plants. Remove your plants from their box and plant as soon as possible. The plants may appear dry, but this is normal, as they are dormant. If you cannot plant immediately, store in a cool, dry place....
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.
Written by our research team, this reference contains the Key Growing Information for pelleted onion seed. Read more for a successful harvest!
Guidelines, specifics, and variety recommendations on best storage practices — temperature, humidity, and optimal shelf life — for enjoyment of classic storage crops such as roots and tubers like rutabagas, beets, turnip, cabbage, winter squash, potatoes, sweet potatoes, and leeks, well into the winter months.
A crop-by-crop guide to the best types and varieties of vegetables for winter growing success, ranked by level of difficulty in winter production, from the research team at Johnny's Selected Seeds.