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Yellow Sweet Spanish Onion


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Ships Week of 5/23/22


Out of Stock

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  • Large Onion With Mild Flavor
  • 12 Inches Tall
  • 4 Inches Wide
  • Plant in Full Sun

For a jumbo onion, Yellow Sweet Spanish offers a mild flavor. Each bulb grows into a 4-inch sized fruit with mild onion flavor for eating raw or cooking. Onions add flavor to so many savory dishes, and those eye-watering compounds in onions are packed with trace minerals and vitamins. Although it can take about 100 days for Yellow Sweet Spanish Onion to reach its full 4-inch size, you can harvest anytime after 2 weeks, even enjoying the green stalks above the bulb as a green onion.

Yellow Sweet Spanish Onion keeps for a long time, too, so it's a smart vegetable to have in the house. Onions can cure in a cool, dry and shaded area, such as a cellar or basement, for up to 2 weeks. Just brush off loose soil and store the onions dry; remove the remaining soil just before peeling.

Yellow Sweet Spanish Onion Care

Onions prefer cool weather. You can plant Sweet Spanish Onions as soon as the weather warms enough to work the ground in spring. Loosen the soil down to about 8 or 10 inches and remove any rocks from the soil. Onions like soil that drains well. Space the bulbs 4 to 6 inches apart in rows that are at least 1 foot apart. Push the bulb down to about 1 to 2 inches below the soil. If the tops are long, trim them to about 4 inches above the soil. Be sure to place the onions in full sun.

Growing Yellow Sweet Spanish Onion

Add a layer of light mulch to the soil to help retain moisture and cool the bulbs below. As the onion bulbs reach the surface, you can brush some of the mulch away to give the bulbs more sun. Yellow Sweet Spanish Onions can take 110 days to reach full size, but you can harvest scallions (the green tops) as soon as they reach 6 to 8 inches tall. You also can harvest onion bulbs before they are the full size if you like. For full maturity, harvest all remaining onions when the leaves above begin to turn brown and droop over.

Since the "fruit" of Yellow Sweet Onion grows under the ground, the only thing you see above is the green onion, so this is a nice, neat edible plant for any spot in a garden or in a container. If you grow onions in containers, use the same sort of loose and fertile soil you would use growing them in the ground. Be sure the container has good drainage and choose one with a wide mouth (top) to allow for the 4 to 6 inches of spacing.

Watering Yellow Sweet Spanish Onion

Water Yellow Sweet Spanish Onion well after planting, keeping the soil evenly and consistently moist. After that, weekly watering is enough in many spring climates, but adjust to watering more often if the weather is dry and windy. Apply water slowly and deeply; a drip system or soaker hose is best.

Feeding Yellow Sweet Spanish Onion

Yellow Sweet Spanish Onion grows best with fertile soil. About 2 weeks after planting, and every 2 to 3 weeks after, apply a balanced fertilizer with nitrogen measured for the size of the growing area. Spread the fertilizer around the soil and work into the top few inches, being careful not to damage any of the onion bulbs.

Yellow Sweet Spanish Onion Plant Information

Common Name: Yellow Sweet Spanish Onion
Botanical Name: Allium cepa
Plant Type: Onion
Edible Type: Vegetable
Vegetable Size: -
Light Exposure: Full Sun (+6 hrs.)
Spacing: 4" (10cm)
Height: 8 - 12" (20 - 30cm)
Width: 2 - 4" (5 - 10cm)
Brand: BURPEE®

Click here for more information on plant container sizes.

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Plant Addicts guarantees your plant(s) will arrive happy and healthy, but the plant(s) are being shipped through the mail and accidents happen. If the plant is dead, has dried out roots or the incorrect item was shipped just notify Plant Addicts within 3 days upon delivery. We may ask for pictures but will try to make it as easy as possible for you. Please note plant(s) with damaged branches or wilted leaves will not qualify for this guarantee. Plants are very resilient and will rebound quickly when cared for correctly.

For information on how to care for you new plant please check out our guide. Guide: How to Care for Your New Plant(s)

Plant Addicts Warranty - 1 Year (Extra Purchase Required)

We encourage all plant lovers to purchase the Plant Addicts Warranty whether you’re new or an expert. There are many variables outside our control and yours that can cause the demise of your plant(s). Examples would be hungry animals, drought, poor soil conditions, over watering, disease, insects & many other factors. The Plant Addicts Warranty is a 1 year warranty protecting you from all the unknowns and will replace your plant if it moves on to the plant afterlife.

The warranty is purchased on a per plant basis and must be purchased at the same time as the plant purchase. We will cover 100% of the price of the plant but the warranty does not cover shipping cost. Simply let us know if your plant has died within one year of receiving it and we’ll get you a new one shipped out. We may ask for photos for documentation purposes but again we’ll try to make it as easy as possible.

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Guide: How to Care for Your New Plant(s)

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Special Order Colors: 8 weeks - this is due to the planter being custom made with the color(s) of your choice

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Summer Shipping

  • If there is extreme heat we’ll delay shipping.  
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Once your plant is shipped you’ll receive an email with tracking information. Depending on the above criteria we’ll ship your plant(s) towards beginning of the following week from your order. We put together this helpful guide of what to do when you receive your plants in the mail.

It is important to know that all of our plants are clearly labeled for which growing zones the plant can survive in. The plants are thoroughly trialed and tested in every growing zone before we state the plant can grow in a zone. Again, our #1 priority is to ship the plants to you healthy and ready to thrive in your location. So we will do everything in our power to do so.

1 Review - Yellow Sweet Spanish Onion Show Reviews

  • 5
    Just planted them yesterday so the on only...

    Posted by ben Williams on Jun 19th 2021

    Just planted them yesterday so the on only opinion I have it that they were a little dry and needed pruning other than that no problem