Walla Walla Onion Seeds (Organic)
Walla Walla Onion Seeds (Organic)
Walla Walla Onion Seeds (Organic)

Walla Walla Onion Seeds (Organic)

Peaceful Valley

Regular price $3.99

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Onion - Walla Walla - Allium cepa (Cepa group)

Biennial Walla Walla is an intermediate-day onion with a light-brown skin and white flesh. Its flavor is mild and sweet and is best used raw. Walla Walla has been the pride of Washington State's onion-producing region for generations.

Did You Know? If planted thickly, plants can be pulled and utilized as green onions or scallions for salads or fresh eating in 8-10 weeks.

Soil Temperature: 65-85°F
Planting Depth: 1/4"-1/2"
Germination: 4-10 Days
Height At Maturity: 2'-3'
Days To Maturity: 100-150 Days
Sun/Shade: Full Sun
Spacing After Thinning: 3"-4"
Approx Seeds per Pack: 100 Seeds



  • Open-Pollinated



USDA Growing Zone: Certified Organic Product
Approximate Harvest Time : Late Summer
Day Length Zone : Intermediate Day
Growth Habit : Herbaceous
Life Cycle : Biennial
Plant Family : Amaryllidaceae (Alliums)
Planting Time : Fall
Planting Time : Spring
Seed Unit Sizes : Seed Pack
Soil pH : 6.1 - 6.5
Soil pH : 6.6 - 7.0
Starting Location : Direct Sow
Starting Location : Start Indoors & Transplant
Sun Requirements : Full Sun

Planting & Care

Soil & Water: Onions prefer loose, fertile, friable, well-drained soil with plenty of added organic matter. Their shallow root system is sensitive to fluctuations in water. Mulch to conserve water and control weeds.

Planting & Growing: In warm climates, sow seed in late fall for a spring harvest. Walla Walla is very cold hardy in long- and intermediate-day areas where temperatures do not drop below -10°F. Performs well as a spring-sown onion in the northwest. If transplanting, cut the seedlings back to 3" high before setting out in soil which is 55°F minimum.

Harvesting & Storage: Harvest when the tops fall over: In cool, humid areas when all tops have fallen; in cool, dry areas when half the tops have fallen; and in warm areas when a third of the tops have fallen. Loosen the soil around the onion with a fork and gently pull it from the soil. Short keeper; not for winter storage.



Peaceful Valley Farm & Garden Supply brand vegetable seeds are guaranteed to germinate. Once the seeds have sprouted, please understand that Peaceful Valley cannot be held responsible for the many uncontrollable growing and climatic conditions that must be met to ensure the success of your crop(s).


Useful Information


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  • Easy 30 day returns or exchanges.

Your satisfaction means the world to us which is why all of your orders are backed with our 30 Day Satisfaction Guarantee. Either you love it, or you can return it for an equal exchange or get a full refund. Just send us a support ticket to support@seedtime.us and we'll be glad to help you with your return.

Other Vendor Fulfilled Shipping

We offer products that are fulfilled by other vendors with the following rates:

The Farm On Central: $9 flat rate

Farmers Friend: Free shipping to contiguous USA

Peaceful Valley: $5 for up to 5 seed packets and then free shipping on seed packets after that. $10.99 flat rate for bulk seeds/larger weight items.


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