Overview
Embark on a rewarding gardening journey with our premium Walla Walla Sweet Onion Sets. These exceptional non-GMO heirloom bulbs are renowned for producing some of the sweetest and largest onions you can grow. Originating from Walla Walla, Washington, these onions have captivated gardeners and chefs alike with their mild, juicy flavor and impressive size. Perfect for both novice and experienced gardeners, these onion sets provide a head start on the growing season, promising a bountiful harvest of delectable sweet onions. Each bunch typically contains 40-70 bulbs, ensuring you have plenty of these treasured onions for your culinary adventures. Grow your own Walla Walla Sweet Onion Sets and experience the unparalleled taste of homegrown produce.
These onion sets are easy to plant and grow, making them an excellent choice for anyone looking to add high-quality vegetables to their garden. The resulting onions are characterized by their giant globe shape, beautiful yellow outer wrapper, and famously sweet white flesh. Whether you’re planning to enjoy them fresh in salads, carmelize them for gourmet dishes, or store them for later use, these sweet onion bulbs are a versatile and delicious addition to any kitchen. Their ease of cultivation and delightful flavor make them a staple in many home gardens, offering a taste of tradition and quality.
Key Benefits
Our Walla Walla Sweet Onion Sets offer numerous benefits, from their delightful flavor to their robust growth, making them a top choice for home gardeners seeking high-quality produce.
- Exceptional Sweetness: These onions are celebrated for their incredibly mild and sweet flavor, making them perfect for eating raw in salads or sandwiches, without the usual pungency of other onion varieties. Enjoy the true taste of Walla Walla Sweet Onion Sets.
- Giant Globe Size: Expect to harvest impressive, large globe-shaped onions that are not only delicious but also visually appealing, adding a touch of grandeur to your garden and plate.
- Non-GMO Heirloom Variety: Grow with confidence knowing you are planting a non-genetically modified, open-pollinated heirloom variety, preserving genetic diversity and traditional gardening practices.
- Versatile Culinary Use: From fresh consumption to cooking and baking, these sweet onions are incredibly versatile. They caramelize beautifully, add depth to soups and stews, and are a fantastic base for many dishes.
- Excellent Storage Potential: While known for their sweetness, these onions also possess a good shelf life after harvest, allowing you to enjoy your homegrown bounty for an extended period.
- Reliable Growth: These heirloom onion sets are known for their strong growth habit, providing a dependable yield with proper care, making your gardening efforts truly rewarding.
- Homegrown Freshness: Experience the superior taste and texture of onions harvested directly from your garden, a freshness that store-bought varieties simply cannot match.
Plant Care & Growing Tips
Successful cultivation of Walla Walla Sweet Onion Sets begins with proper planting and attentive care. Choose a site with full sun exposure, meaning at least 6-8 hours of direct sunlight daily, to ensure optimal bulb development. The soil should be well-draining, loose, and rich in organic matter. A slightly acidic to neutral pH (6.0-7.0) is ideal. Before planting, amend heavy clay soils with compost or well-rotted manure to improve drainage and fertility. Plant the onion sets about 1 inch deep and 4-6 inches apart in rows that are 12-18 inches apart. Ensure the pointy end of the bulb faces upwards.
Watering is crucial, especially during dry spells and as the bulbs begin to swell. Aim for consistent moisture, but avoid overwatering, which can lead to rot. Fertilize with a balanced granular fertilizer or a nitrogen-rich feed when the tops are 6 inches tall, and again a few weeks later. Avoid excessive nitrogen late in the season, as this can encourage leafy growth at the expense of bulb development. Keep the planting area free of weeds, as they compete for nutrients and moisture. As the onions mature, the tops will begin to fall over; this is a natural sign that they are ready for harvest. Gently loosen the soil around the bulbs and allow them to cure in a dry, well-ventilated area for a few weeks before storing. These yellow onion bulbs are relatively low-maintenance but thrive with consistent care.
Size & Details
Our Walla Walla Sweet Onion Sets are supplied as healthy, ready-to-plant bulbs, typically bundled in bunches. Each bunch provides a generous quantity of 40-70 individual bulbs, ensuring you have ample plants to establish a productive onion patch. These bulbs are ideal for planting in late winter or early spring, depending on your local climate and last frost dates, allowing them to mature into giant, sweet onions by mid-summer. When fully grown, these onions typically produce large, globe-shaped bulbs measuring 3-6 inches in diameter, perfect for slicing, dicing, and enjoying in a variety of dishes. The outer wrapper is a beautiful golden yellow, encasing crisp, sweet white flesh. These non-GMO onion plants are a fantastic investment for any home gardener.
These heirloom onion sets are characterized by their vigorous growth and reliable yields. They are best suited for areas with long, cool growing seasons, making them a popular choice across many regions of the United States. They reach maturity in approximately 90-120 days from planting. Due to their mild flavor, they are not typically bred for very long-term storage like some pungent varieties, but they do offer a good shelf life if cured properly in a cool, dry, and well-ventilated location. Prepare to enjoy the fresh, sweet taste of these garden-grown treasures throughout your harvest season and beyond.
Frequently Asked Questions
- Q: How many Walla Walla Sweet Onion Sets come in a bunch? A: Each bunch typically contains 40-70 individual onion bulbs, providing a substantial quantity for your garden.
- Q: When is the best time to plant these sweet onion bulbs? A: The ideal planting time is in late winter or early spring, as soon as the soil can be worked and after the danger of hard freezes has passed.
- Q: How much sunlight do these onions need? A: Walla Walla Sweet Onion Sets require full sun exposure, meaning at least 6-8 hours of direct sunlight per day, for optimal growth and bulb development.
- Q: Are these onions suitable for long-term storage? A: While they have a good shelf life for a sweet onion, they are best enjoyed fresh or within a few months of harvest. They do not store as long as more pungent varieties.
- Q: How big do the onions get? A: When mature, these onions are known for their giant globe shape, typically reaching 3-6 inches in diameter.
- Q: What kind of soil do these heirloom onion sets prefer? A: They thrive in well-draining, loose soil rich in organic matter, with a slightly acidic to neutral pH (6.0-7.0).
- Q: Are these onions non-GMO? A: Yes, these are non-GMO onion plants, preserving the natural genetic integrity of this beloved heirloom variety.
- Q: Is it difficult to grow Walla Walla Sweet Onion Sets? A: No, they are relatively easy to grow and are suitable for gardeners of all experience levels, provided they receive adequate sun, water, and well-draining soil.
- Q: Can I grow these onions in containers? A: While possible, larger containers are needed to accommodate their size and root systems. In-ground planting is generally recommended for best results.
- Q: What is the flavor profile of Walla Walla onions? A: They are famous for their exceptionally mild and sweet flavor, with very little pungency, making them ideal for fresh eating.

















