Allium fistulosum (65 days) Open-pollinated. Japanese heirloom. Hardy perennial bunching onion. For a steady market crop, seed every two weeks.
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Allium tricoccum (6-18 months) Open-pollinated. Also called Wild Leeks. Bulb-forming perennial is a spring ephemeral. Not a good germinator; expect less than 50%.
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Allium cepa (107 days) F-1 hybrid. 16-18 oz glossy deep red globes similar to Redwing, but it sizes more consistently regardless of dry or wet conditions.
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Allium cepa (110 days) Open-pollinated. 19th century heirloom. Large medium-firm deep purple-red flattened globes with pinkish-white fine-grained flesh. Long-day. Keeps till late winter.
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Allium cepa (114 days) Open-pollinated. Red storage onion. Flat square-shouldered top tapering like a barrel to a narrower flat bottom. Tops slow to go down.
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Allium cepa (110 days) Open-pollinated. An excellent red onion for northern growers and a superior keeper. Bred in Southport, CT, in 1873, Red...
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Allium cepa (90 days) F-1 hybrid. Fresh red onions in late July! 3½"8 oz globes. Cure by Aug. 31, store for 3-4 months. Crunchy, sweet, slightly spicy. Intermediate day.
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Allium fistulosum (60 days) F-1 hybrid. In Japanese negi refers to green onions, a common ingredient in Japanese cooking. While there are several...
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Allium cepa (112 days) Open-pollinated. Dave Podoll’s breeding breakthrough, Dakota Tears was more than 20 years in the making. Though you might...
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Allium cepa (110 days) F-1 hybrid. Uniform blocky globes, 2 lbs each, with tall tops. Best for storage; keeps until mid-May. Flavor a balance of sweet and tang. Long-day northern type.
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Allium cepa (125 days) Open-pollinated. Pacific NW and Corsican heirloom. Large mild juicy sweet onion. Not for storage.
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Onions
About 200-250 seeds/g, 5,700-7,000 seeds/oz.
Days to maturity are from transplant date.
Culture: Set seedlings out 1–2" deep and 6–8" apart in shallow trenches, 1–2' between rows. Onions survive light frosts. After half the onion tops fall, push over the remainder and harvest within a week. Field-cure in the sun about 10 days until dry, covering with a tarp in wet weather. In the event of extreme heat or prolonged damp conditions, we recommend sheltered curing in a well-ventilated barn or greenhouse. Curing is essential for long storage. Store cured onions in mesh sacks in a cool dry well-ventilated place, periodically removing sprouting or rotting bulbs. In spring, put your remaining onions in the fridge to extend storage until your new crop is ready.
Onions are triggered to form bulbs in response to day length. Day length differs depending on latitude, so different onion varieties were developed to have different day-length needs. In the north, the earlier onions are set out, the more chance they have to make top growth while the days are lengthening. High fertility and steady water is crucial for large onions. Side dressing is recommended. After summer solstice they begin bulbing.
All the varieties we list are suitable for northern growers. If you live farther south, note our latitude specifications at the end of each description.
Long-day: Must be north of 36° latitude, though some long-day types perform best north of 40°. These onions need 14-16 hours of sun a day to trigger bulb formation. May not perform well in continually hot soil temps.
Intermediate-day: Also called day-neutral onions, generally need 12-15 hours of daylight to bulb. Some can do well in parts of the upper southern U.S. all the way up through Maine. Others are best for mid-latitudes only (35-40°). All intermediate-day onions in our catalog have performed well repeatedly in our Maine trials.
(Short-day: Suited for the South, below latitude 36°, bulbing when the day length measures between 10–12 hours. We don’t offer seed for short-day varieties.)
Onion seed is short-lived. Retest 1-year-old seed before using. Discard anything older.
