Yellow Sweet Spanish OnionSweet Spanish Onion with white flesh and mild aroma. It can reach 6″ across and weigh over a pound. Spain, the leading onion producer in Western Europe, consumes more onions than any other European country.
Yellow onions are a long-day type popular in the western states. Larger bulbs weighing over a pound hold well and have rose root tolerance.
When planting, consider which type of "long day" or "short day" onion is best for the summer in your area.
How to grow Yellow Sweet Spanish Оnion from seeds:
- Sowing: You can plant Yellow Sweet Spanish onion 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 Yellow Sweet Spanish Оnion: 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. Sweet Spanish Yellow onions tolerate mildew.
- Yellow Sweet Spanish Оnion Soil Requirements for: Sandy, loose, composted, well-drained.
- Yellow Sweet Spanish Оnion Seeds Days to Germination: 4-10 days.
- Light Preference of Yellow Sweet Spanish Оnion: Full Sun.
- Life Cycle of Yellow Sweet Spanish Оnion: Annual.
- How and When to Harvest Yellow Sweet Spanish Оnion: 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. Sweet Spanish onions do not store well for long periods.
- Yellow Sweet Spanish Оnion Days to Maturity: 100-115 days.
- Yellow Sweet Spanish Оnion's 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 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
- USDA Zones: 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
- Seeds per Ounce: 8,000
- Planting Method: From Transplant
- Sunlight: Full Sun
- Height: 24 Inches
- Color: Yellow