When are Walla Walla Onions Ready to Harvest

The Walla Walla onion is a sweet, white onion that grows in northern Oregon and southern Washington. Learn all about When are Walla Walla Onions Ready to Harvest in this article.

Walla Walla onions will be ready to harvest during the summer or early fall. These onions grow in the Walla Walla Valley and are grown by about 20 farmers on 500 acres (200 ha). Walla Walla onions withstand the 18″ (45 cm) annual rainfall of the Walla Walla Valley.

Of course, you should be able to grow Walla Walla onions in your garden, in this article we will explain when and how to harvest Walla Walla onions.

Walla Walla onions are sweeter than regular onions because they have half the sulfur of regular onions.

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When are Walla Walla Onions Ready to Harvest

When are Walla Walla Onions Ready to Harvest? Walla Walla onions are harvested from June to mid-August, i.e. throughout the summer and sometimes extending into early autumn.

After 4 to 6 months, the Walla Walla onions are ready to be harvested. The onion tips (stalk) provide nutrients to the Walla Walla onion and when the onion stops needing nutrients the tips begin to dry out.

You will notice that the tips of your Walla Walla onion begin to dry out and bend at the tips. Below is an image of what a Walla Walla onion should look like when harvested. Learn more about When to Harvest Onions.

when are walla walla onions ready to harvest
When are Walla Walla Onions Ready to Harvest? Walla Walla onions can be harvested when you notice that the tips begin to dry out.

How to Harvest Walla Walla Onions

How to Harvest Walla Walla Onions? Harvesting the Walla Walla onion is easy, just wait until the tips are beginning to dry. When you notice that the onion tips are drying out, you should stop watering to be able to harvest correctly.

Then pull the onion tops or use a shovel to remove the Walla Walla onions from the soil. Shake the Walla Walla onions to remove excess soil.

Now you must cure the Walla Walla onion, and this is very simple. Place the onions in the sun to cure completely, and cover them at night with a tarp, so they don’t get wet from the dew.

You should cure the onion Walla Walla for about a week, if it is going to rain take it to a place where the onions do not get wet.

To store Walla Walla onions, you can put them in a burlap bag that allows better air circulation. It is advisable to hang the bag so that it is not in contact with the ground and air can circulate better. Always store Walla Walla onions in a cool, dry place between 32 and 40 °F (0 to 5 °C).

how to harvest walla walla onions
How to Harvest Walla Walla Onions? To harvest Walla Walla onions pull them from the tip or use a shovel to carefully remove them.
About Henry Morgan

We are the Morgans, Henry, and Julia, both agronomists from the University of Michigan, where we met. We are experts in putting our hands in the soil and developing organic foods and improving production processes for decades. Likewise, we have worked for companies such as Mondelez International, BASF, Monsanto, etc. currently in our role as science writers for TheGardenStyle.com as well as advisors in promoting large scale food growing in urbanized areas. In this website, we share what we are most passionate about, gardening and farming. Enjoy and see real photos on our website.