Onion is a cool-season vegetable that can be grown
successfully throughout most of temperate North America. Onions
may be grown from sets, transplants or seeds.
Onions form bulbs in response to daylength. When the number of daylight hours reaches a certain level, onion plants start bulbing, or forming bulbs. Long-day onions need about 14 to 15 hours of daylight to bulb. Short-day onions need 10 hours of daylight. Day-neutral onions form bulbs regardless of daylight hours and produce well in almost any region. As soon as daylength hits the 10-hour mark, a short-day onion starts forming a bulb. If the top of the plant hasn't had enough time to grow big and lush, the resulting bulb will be small. Conversely, if you live where daylength never hits 14 hours, long-day onions will never form a bulb. All you'll get are green leaves. By choosing the right type of onion for your region, you'll get healthy green stems that are large enough to fuel forming fat and tasty bulbs.
Generally speaking, long-day onions tend to do best in the North and short-day types tend to do best in the South. Growing onions from seed is often the only way to get varieties really suited to your location. Intermediate onions are for middle regions between north and south. Day neutral onions will grow about anywhere as will almost all bunching onions.
High temperatures and low humidity are advantageous during
bulbing and curing. Onions have shallow roots and compete
poorly with weeds and grasses. Timely shallow hoeing and
cultivation are important, especially when the onions are
Onions may be eaten raw, broiled, boiled, baked, creamed,
steamed, fried, french fried and pickled. They are used in
soups and stews and combination with vegetables and meats.
IP075 Rossa Savonese
Translucent, semi-flat, red, sweet onion originating from Spain. Mild, excellent flavor. Beautiful onion, excellent for salads and as a fresh slicer. Intermediate Day. 100 days.
TRM826 Kyoto Kujo Negi Japanese Splitting Stalk Onion
This non-bulbing Japanese green onion. Kyoto Kuji Negi, is one of the Kyo-yasai, traditional vegetables, in Kyoto, Japan. It has been a part of that cuisine since the Edo period of the early 1800s. The tender leaf tapers to a height of 24", modulating in color from white to light green then dark green. It is has a nice mild flavor. Long to intermediate-day. 80 days.
TRN352 Shonan Japanese Red
This red bulb onion is medium day length and was developed by the Tokyo Agricultural Experiment Station. It has excellent flavor with a crisp, sweet, mild pungency that makes it excellent for salads.
Make a delicious sweet and sour cucumber salad with thinly sliced cucumber and red onion marinated in vinegar, sugar, salt and dried chili flakes.
Planting season late summer and early fall. Long to intermediate-day. 160 days.
TRM825 Heshiko Japanese Onion
This Japanese bunching onion or scallion, produce tender leaves with white 12-14" stalks. The onion has delicious, white, pungent flesh. This variety will over-winter. Day neutral. 75 days.
NB18 Hardy White Bunching
70 days. An improved strain of Japanese Bunching (He shi ko). A hardy, non bulbing type, long, slim pure white stems. For summer crops or wintering over the following spring.
This evergreen variety of bunching onion is the one most often used in stir frys. The plants produce perennially and are winter hardy. You should start seeds 4-8 weeks inside before transplanting in garden. Day neutral.
1A355 White Bermuda
95 days. An enduring heirloom variety that established Texas as an onion-growing powerhouse. Originally cultivated in Bermuda in the late 1800's, these flattened, satiny white, sweet globes mature quickly, provide delectable green onions and keep well. Perfect for pickling or cocktails. Also great in stews and soups. Pick when onions are 1" to 3" in diameter. From seed to harvest, Bermudas will produce a "spring onion" in 30 days; a fully-mature onion in 95 days. Short day.
RLP058 Ishikura Improved Japanese White Bunching
This is an improved version of Ishikura, one the most popular bunching onions in Japan. This typical single stalk variety can grow up to 2.5 ft. Long white stems are obtained by applying the earthing-up method during the growth. Plants adopted very well to various climates, suitable for spring to late fall crops. Deep green leaves are very attractive and white stems are very
delicious. Day neutral.
3563 Long Red Florence
Mediterranean fresh eating type, 5" long torpedo shape, very mild, terrific fresh or grilled, 90 days. Considered day neutral as they grow well in so many areas.
60 days. One of the easiest bunching green onion varieties to grow! Dark green, slender, onion stalks with small, tender 1/2" diameter bulbs. Very fragrant with a powerfully spicy, crisp bite! Compact, vigorous variety. Suitable for containers.
Holds up well, resists flopping. Flavor and texture hold extremely well. Great choice for new gardeners as it is resistant to pink root rot and generally free from pests and disease! Suitable for containers. Considered day neutral as they grow well in so many areas.
VS340 Large White Spanish
Flesh is white, sweet, mild and tasty. Skin is glistening white with a thin skin. Good
winter keeper that produces bulbs that average a pound or more. Long day. 110 days.
VS350 Large Yellow Spanish
An excellent onion that
produces extra large bulbs that are sweet with a mild taste.
Flesh is pure white. Skin is straw colored. Long day 110 days.
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IP062 Red Burgundy
Excellent slicing variety for salads or hamburgers and grilling. Red Burgundy onions produce large flattened globes 3 to 4 inches in diameter that are beautiful for slicing! Very mild and sweet flavor! Good for short term storage. Average water needs. Water regularly, but don't over water. Resistant to Botrytis and Pink Rot. This is a short day variety that matures in 95 to 165 days depending upon planting time, location and climate.
Large bulbed with thick flat globe shape. Excellent producer that is attractive and uniform. Used in Georgia to make the famous Vidalia onion.
F1 Short day, high yield, jumbo, dark brown, mild taste, resists pink root and fusarium, 160 days.
3543 Deep Purple Scallion
Purple red buncher, long, slender, mild spicy flavor, sow spring or summer, 60 days.
Considered day neutral.
3315 Ailsa Craig Giant Exhibition
Giant show quality 2-5 pound onions! Globe Kelsae type, golden color skin, firm white flesh, sweet, 110 days. Grow them to impress your neighbors and win competitions, but also be sure to enjoy their wonderful flavor! Long day.