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 start bulb formation when the day length is of the
proper duration and different varieties of onions require
different day lengths to initiate bulbing. In general, most
common varieties fall into one of two classes, long-day (for
northern latitudes) and short-day (for southern latitudes). For
this reason, onion varieties that are grown in the South are
not adaptable to the North and vice versa. Late plantings of
the suggested varieties also result in small bulbs or lack of
bulbing altogether in any location.
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.
Informative articles found on the
How to Grow
and Care for Different Types of Onions
Benefits of Onions
Pelleted Onion Seeds
TRM831 Expression ( Pelleted Seed )
F1 Hybrid. Attractive, large, slightly flattened bulbs with light brown skins.
Expressions' mild flavor make this a must for the home gardener and the pelleted seed make for easy sowing. Will store for approx. four months. Better disease resistance than Candy, which it replaces, with strong resistance to pink root and intermediate resistance to fusarium basal rot. 100 days.
TRM836 Sierra Blanca ( Pelleted Seed )
(F1) Now available pelleted! Big, mild white onions.
Widely adapted, day-neutral, and matures well anywhere in North America from spring sowing. Suitable for fall planting where short-day onions are normally grown. Produces uniform, large, white-skinned onions with mild flavor and thick rings. Not for long storage.
Sierra Blanca is the same variety as Super Star. It has been renamed by the breeder. Intermediate resistance to pink root. 109 days.
TRM837 Ailsa Craig Exhibition ( Pelleted Seed )
Huge, mild onions. Yellow-skinned, round bulbs of the Spanish onion type. Ailsa Craig has a distinct advantage over regular Spanish varieties in earliness and cool weather tolerance. Short-term storage into early winter. 110 days.
TRM838 Bridger ( Pelleted Seed )
Earliest onions from seed.
Can be planted in the fall and covered with row cover. Bridger can be harvested in August from spring sowings for short term storage only. In areas with normal low winter temperatures above -10°F, seeds sown in August can be harvested early the next summer. In colder areas, it can be planted in the fall and covered with row cover . 90 days.
Onion Seeds Standard Form
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.
IP076 Dorata Di Parma
The 'golden' onion of Parma, Italy. A late maturing onion with golden upright top-shaped large bulbs. Excellent storage quality. Compares to any of the top yellow varieties for taste. The shape makes for great slicing. Long Day. 110 days.
Another wonderful small onion, perfect for salads, kabobs, or pickling. Can be used as an early small bulb scallion or cipollini. Best for fresh use, only short storage. Short day (early season). 75 days.
TRM566 Piatta di Bergamo ( Cipollini )
With beautiful red-pink shading, Bergamo is a terrific little red pickler, and suitable for short fresh storage. The small flat bulbs are real show-stoppers. Long to intermediate Day. 100 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. 75 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. 80 days.
This is a delightful, very large, sweet, Spanish-type onion, with a beautiful golden-straw colored tunic. True to its name, this onion is often grown for its potentially huge size, and is considered to be a more consistent performer than Kelsae or Ailsa Craig (for both of which it is the parent strain).
Although its 'competition' size attracts many to grow it, the extra sweet, mild flavor keeps folks coming back for more. Best for fresh use, not a good storage onion due to its sweetness.
A bit earlier than other Spanish types, and tolerates cool weather well. Long to Intermediate day. The coloring of the seed identifies this as the original strain imported from the Netherlands.
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.
TRJ003 Piatta D'italia Italian Red
Large flat-bulb variety of Italian onion, tender flesh, red-violet color. If you're looking for classic red Italian onion flavor, this is it. Not a great 'keeper', but fabulous for fresh use on salads, sandwiches, and more. Intermediate day-length. 105 days.
TRJ004 Rossa Lunga Di Firenze
A Florentine onion with excellent flavor. Distinctive long red Italian onion well-known as the 'Italian Torpedo', not to be confused with the top-shaped tropeana. Mild sweet taste and beautiful. Short to Intermediate Day. 80 days.
TRJ005 Bianco Di Magio
Excellent Italian cipollini with solid white flesh and sweet, mild flavor. Classic white cipollini, can also be grown out to a small early season onion. Short to Intermediate day. 80 days.
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.
W200 Redbeard Japanese White Bunching
Red beard is a unique bunching onion with red stalk, 12 cm long and 1.5 cm diameter, and green leaves. Plants grow to slightly more than 2 feet tall. Leaves and stalks are very tender and well flavored. This splitting fresh onion has become very popular in Japan and many Asian countries. Easy to grow and good variety for home gardening and fresh markets, 72 days. Easily grown in containers.
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
IP061 Chianti F1 Hybrid Red ( Short Day )
A large size onion with a grano shape. Has an intense dark red skin and very mild taste. This onionís rings are crisp and wide with great interior color at maturity.
This is one of the sweetest red onions available. Excellent for salads, slicing, and cooking. Similar to the Red Grano type onions. A short day variety suitable for Southern regions. This onion variety has a high percentage of single centers. Moderate tolerance to Pink Root. 85 days.
TRM410 Pearl Drop
Small round snow white bulb, good top for bunching, great in Northern areas, 68 day.
TRM411 Long Red Florence
Mediterranean fresh eating type, 5" long torpedo shape, very mild, terrific fresh or grilled, 90 days.
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
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.
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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. This is a short day variety that matures in 95 to 165 days depending upon planting time, location and climate. Average water needs. Water regularly, but don't over water. Resistant to Botrytis and Pink Rot.
VS330 Vidalia ( Short Day Type )
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.
JF254 Deep Purple Scallion
Purple red buncher, long, slender, mild spicy flavor, sow spring or summer, 60 days.
JF255 Red Goddess
F1, Reddish purple bunching type, novel color, good cold tolerance.
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!
NB16 Southport White Globe Bunching
65 days. Used exclusively for the production of green bunching onions that are mild and sweet.
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