Buy Onion Seed Long-Day

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Long Day Onions are good storage onions.Long Day Onions are good storage onions.

This page talks about how to buy onion seeds long-day from David's Garden Seeds. David's onion line-up includes a selection of full-size varieties for all day-length adaptations, as well as specialty types like bunching, cipollini, and mini onions. Options also include conventional, hybrid or open-pollinated (heirloom) seeds. Planted at the right time, different types and varieties can provide an ample supply of onions throughout the year.

Ailsa Craig Exhibition Onion is a classic mild onion with excellent size potential.

Onion Long-Day Ailsa Craig Exhibition 200 Non-GMO, Open Pollinated Seeds


Ailsa Craig Exhibition Onion is a classic mild onion with excellent size potential. Jumbo to colossal, round to teardrop-shaped bulbs with light brown skins. Use fresh or for short-term storage.  Harvest in about 110 days.

Cortland Long Day Onion

Onion Long-Day Cortland 200 Non-GMO, Hybrid Seeds


Cortland Long Day Onion is a yellow storage onion. Large, blocky-round, uniform onions with thin necks that will dry well. Very hard with a thick, rich brown skin for good storability. High resistance to fusarium basal rot. Adaptation: 38-55° latitude.  Harvest in about 104 days.

Gold Coin Onion

Onion Long-Day Gold Coin 200 Non-GMO, Open Pollinated Seeds


Very flat, yellow. Matures to a small-medium, yellow cipollini onion, averaging 1 and 1/2 to 3 inches in diameter by 3/4 to 1 inches in depth. Pungent, but deliciously sweet when cooked. For bunching or braiding. Recommended for latitudes 38 to 60°; necks may be too thick at lower latitudes.  Harvest in about 80 days.

New York Early Onion

Onion Long-Day New York Early 200 Non-GMO, Heirloom Seeds


One of the more dependable and productive early onions, New York Early Onions produce medium-large, blocky, firm, yellow onions that are early and suited to medium-term storage. Its flesh is more tender than the extra-hard, long storage varieties. Adaptation: 38-50° latitude. Harvest in about 98 days.

Patterson Long Day Onion

Onion Long-Day Patterson Long Day 200 Non-GMO, Hybrid Seeds


This is an extremely long storage yellow onion. Patterson Long Day Onion has the same firmness and storage qualities as Copra, with a larger size, better uniformity, and higher yield potential. Medium-large, blocky bulbs with dark yellow skin and thin necks that dry quickly. Adaptation: 38-55° latitude.  Harvest in about 104 days.

Purplette Onion

Onion Long-Day Purplette 200 Non-GMO, Open Pollinated Seeds


Early, purple-red-skinned mini onion. These flavorful specialty onions mature early and hold well. Purplette is a glossy rich burgundy, transforming to a nice pastel pink when cooked or pickled. Can be harvested at golf ball size or very young as baby bunching onions with purple pearl ends. Best at 40° latitude and higher.  Harvest in about 60 days.

Red Long of Tropea Onion

Onion Long-Day Red Long Of Tropea 200 Non-GMO, Open Pollinated Seeds


These red onions are bulb shaped, not round. These are not for storing so use them right away. Harvest in about 90 days.

Redwing Onion

Onion Long-Day Redwing 200 Non-GMO, Hybrid Seeds


Superior red color, long storage. Uniform, large onions with deep red color. Thick skin, very hard bulbs for long storage. Consistent internal color.  Harvest in about 110 days.

Spanish Sweet Onion

Onion Long-Day Sweet Spanish 200 Non-GMO, Heirloom Seeds


Good percentage of jumbos. Heavy yields. Yellow‐brown heavy skin, mild creamy white flesh, thicker necks.  Harvest in about 120 days.

Walla Walla Onion

Onion Long-Day Walla Walla Sweet 200 Non-GMO, Organic Seeds


Walla Walla Onion is a juicy, sweet, regional favorite. In the Northwest, which has normal low winter temperatures above -10°F, seed is sown in late August, and a crop of very large, flattened, ultra-mild onions is harvested early the next summer.  Walla Walla may be spring planted using seeds or plants in colder regions where winter survival is hit or miss. It is not as big or sweet as the wintered-over crop, but still milder and juicier than others from spring planting. Nice as a "green top" onion. Not for storage.  Ready to eat in 125-300 days.

Onion Long-Day YankeeOnion Long-Day Yankee

Onion Long-Day Yankee 200 Non-GMO, Hybrid Seeds


Strong root system tolerates some pink root and will keep for many months. Yellow onions are early and suited to medium-term storage. Harvest in 110 days.

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Spanish Sweet Onions Have Excellent Germination 
So far, the Spanish Sweet Onion has produced the largest onions I have ever grown in Southern California, but I have also just in the past two years discovered …

Great Peppers Not rated yet
I ordered these about 3 weeks ago and potted the seeds in 3 small-ish pots. I put large ziploc bags over them to create a greenhouse and left them outside …

Huge Alisa Craig Onions Not rated yet
I started these indoors in February under lights. Planted them out the beginning of April. We had a few very cold nights, I was worried I might lose them, …

Have Kept Well - Alisa Craig Onions Not rated yet
I planted these last year in February. I put a thin layer of sterile potting soil in a couple of used and cleaned plastic trays leftover from some sort …

Great Alisa Craig Onion Not rated yet
I'll preface this by saying I planted late in the season, 3/31 starting seed inside. MUCH later than desirable, and I have still yielded quite massive …

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All of the variety information on the David's Garden Seeds® website, including the days to maturity, color and size are based on data from tests done at specific locations. Many factors, including geographic location, daytime and nighttime temperatures, the availability of plant nutrients, many unknown climate factors and insects/pest interact to determine a variety's performance. For information on which varieties will perform best in your area, we recommend that you contact your local county extension agent or a Master Gardener.

David's Garden Seeds® Mission Statement

Here at David’s Garden Seeds®, gardening is our passion. We provide top quality, non-GMO seeds so families can learn about gardening and love it.  In turn, we hope they will pass this passion down to their children and grandchildren, teaching them to grow  delicious food, fresh herbs and beautiful flowers.