Walla Walla

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Walla Walla

(125 days) Open-pollinated. Long day. These large yellow onions are renowned for their mild flavor as soon as they come out of the ground. Said to have originated in the French island of Corsica and been brought to Washington by a French soldier, this onion became famous in the Pacific Northwest for its juicy sweet flavor and has been in commerce since around 1900. In WA it can be wintered over. In our harsher zone it must be sown in the spring for fall harvest. They do not store. Also available as seed.

This item will drop-ship priority mail directly to you from our supplier according to your planting zone (please see below). If you would like to request a different shipping week than the one recommended for your zone, you can do that at checkout.

Bulk prices (net, no additional discounts), apply to orders over $1,200. Download bulk price list



7520 Walla Walla
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Price
Quantity
A: 100 plants $34.50
B: 500 plants $106.00
C: 2500 plants $239.00

Additional Information

Onion Plants

Allium cepa Onion plants are drop-shipped by Priority Mail directly to you from our Texas supplier, so shipments can arrive from January through April according to your planting zone (see chart). You may also request a shipping week when placing your order.

Onions are dug as live plants from the field; shipping schedule may change due to weather conditions or other variables. You will be notified via email when your order has shipped.

Onion plant ship dates

areatiming
Zones 10, 9, 8starting in mid-January
Zone 7starting in mid-February
Zone 6starting in early March
Zone 5starting in early April
Zones 4, 3, 2starting in mid April

When Your Onion Plants Arrive

Remove plants from the box immediately! They may seem a little peaked from travel, but don’t fret! Plant them in the ground as soon as possible, watering well. If you can’t plant immediately, unbundle the plants and heel them into some moist potting medium in a seedling tray, or wrap the roots in damp paper towels and wrap loosely in plastic. After planting, keep onion plants well watered and well weeded, and you’ll be rewarded!

Planting instructions (for conventional growing) will arrive with your shipment. As always, a professional soil test should guide your fertilization program. Onions are particularly sensitive to deficiencies in calcium and sulfur, and require steady nitrogen availability through the season. Band a balanced slow-release fertilizer like soybean meal or NutriVeg into your planting row at 2 lbs per 100 row feet, or a couple teaspoons per transplant hole. Water seedlings in well with fish hydrolysate with kelp (diluted at 2 oz per gallon water). Repeat the fish/kelp fertigation or side-dress with a readily available N source like blood meal several times throughout the season.

Onions & Shallots

Allium cepa Onions are day-length sensitive—to produce large bulbs, plant in spring as soon as soil is workable. Most of our sets and plants are long-day varieties, suitable for northern growers. Shallow rooted, onion require rich weed-free soil and consistent water. All other factors being equal, onions grown from seedlings will grow bigger and resist disease better than set-grown onions.

Plant onions 3" apart in rows 1' apart and thin to 6" as they grow. (If you don’t want to thin, plant them 4–6" apart.) Mulch when they are 1' tall. During the season, pull any plants that begin to bolt and use them as scallions.

It’s a good idea to sidedress once or twice a season, especially close to summer solstice.

Clean and grade before storage. Eat thick-necked onions first because they won’t keep.

Ideal storage conditions are temperatures at 32° with humidity of 60–70%. If you can’t do that, work to get a total number of 100. For example, at temperatures from 50–55°, humidity should be 45–50%.