Onion Walla Walla Yellow

Walla Walla is a sweet, mild-flavored onion that grows to enormous sizes. Onions are best used immediately after harvest. This variety has won many awards and is famous for autumn or early spring sowing even in the north!
Walla Walla, "the world's finest onion," is the official vegetable of the state of Washington. In the 1800s, a French soldier named Peter Pieri brought onion seeds from the island of Corsica to Walla Walla, where it was grown and given the name Walla Walla. First harvested in 1900, this onion is still very popular today for its unsurpassed sweetness. In addition, onions are rich in vitamins and can lower blood pressure.

How to grow Onion Walla Walla from seeds:

  • Sowing: You can plant Walla Walla seeds indoors as the onions take several months to ripen. Plant the seeds 1/2″ 2-3 months before the last frost date. Keep the soil moist and at a comfortable temperature. It would be best if you cut the top to 3″ to focus growth on the roots. 4 weeks before the last frost and at a soil temperature of 50 degrees F, transplant the seеdlings 6" apart in rows 12" apart. Sow three seeds per inch 1/2″ dеep directly in light, rich soil, and full sun. Cut the seedlings 2-6″ apart, depending on the desired size. Thinned onions can be transplanted or used fresh. Onions are a companion plant, so it is beneficial to plant them next to representatives of the cabbage family, lettuce, or tomatoes. Avoid planting onions with legumes, green peas, and beans. In regions with warmer winters, onions can be grown in autumn and winter.
    • Plant Spacing: 4-6″.
  • Growing of Walla Walla Onion: Onions are hygrophilous. Young seedlings need constant watering, especially in the first few weeks of growth. To make it easier for onions to grow, remove weeds on time. A layer of mulch can help keep the soil moist and slow weed growth. Walla Walla onions tolerate cold weather well.
    • Walla Walla Onion Soil Requirements for: Sandy, loose, composted, well-drained.
    • Walla Walla Onion Seeds Days to Germination: 4-10 days.
    • Light Preference of Walla Walla Onion: Full Sun.
    • Life Cycle of Walla Walla Onion: Annual.
  • How and When to Harvest Walla Walla Onion: The onions are ready to harvest when the tops turn yellow or flop over. Remove the onion from the ground, peel off the dirt and let it dry for a week in the sun or a dry, well-ventilated place. When the peel is dry, trim the tops to 1 inch and cut the rоots. Store in a cool, dry place. Walla Walla оnions do not store well for a long time.
    • Walla Walla Onion Days to Maturity: 90-110 days.
  • Walla Walla Onion Seed Saving: Onions produce seeds after overwintering. In warm regions, a thick layer of mulch is sufficient, which should be removed in early spring. In cold winters, scoop up the onion, cut half of the stem, and store at 32-40 degrees F in a dry plаce until spring. Cut the top of the onion with a cross before planting to make it easier for the stem to germinate. Plants will bloom and give seeds. Remove the seed heads of the Walla Walla onions when the seeds are visible and allow them to dry for a few weeks. Thresh thе seeds and store them in a cool, dry place for up to 2 years.


  • Latin Name: Allium cepa
  • Type: Open Pollinated, Heirloom, Cool Season|Warm Season
  • USDА Zones: 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
  • Seeds per Ounce: 8,000
  • Planting Method: From Transplant
  • Sunlight: Full Sun
  • Height: 16 Inches
  • Color: White


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