Famous for their unmistakable sweetness, Vidalia Onions (Yellow Granex variety) are a garden favorite for cooks, canners, and backyard growers alike. These seeds produce flat, yellow bulbs with crisp white flesh and ultra-low acidity, ideal for slicing raw, caramelizing, or layering into sandwiches, salads, and sautรฉs.
What makes the Yellow Granex cultivar exceptional is its ability to develop that signature Vidalia sweetness even outside of Georgiaโs sandy soil. With the right growing conditions (mild climate, rich soil, consistent moisture), youโll harvest medium to large bulbs packed with flavor and character. Whether youโre planting in raised beds or row gardens, these short-day onions thrive in Southern zones and transition zones alike.
Each seed pack offers a reliable path to a culinary staple thatโs as mild as it is versatile. Weโve found that when grown with care and patience, these onions reward you with an unmistakable sweetness thatโs hard to find at the store.
๐ฑ Why Grow Vidalia Onion โ Yellow Granex Seeds
- Exceptionally sweet, low-acid flavor
- Perfect for raw use, grilling, caramelizing, or pickling
- Classic heirloom known for consistent performance
- Short-day onion ideal for Southern growers
- Excellent keeper when cured properly
๐ฟ Growing Tips
- Plant in late fall or early spring depending on zone
- Requires short-day conditions (best for USDA zones 7โ10)
- Choose loose, well-draining soil with high organic content
- Space bulbs 4โ6 inches apart in rows 12โ18 inches apart
- Water consistently but avoid waterlogging
- Harvest when tops fall over and dry for long-term storage
โ Frequently Asked Questions (FAQ)
What is a short-day onion?
Short-day onions begin forming bulbs when daylight hits 10โ12 hours. Theyโre ideal for Southern states and warm-winter zones.
Are these real Vidalia onions?
Only onions grown in the Vidalia region of Georgia can be called "Vidalia." These are Yellow Granex seeds โ the same cultivar โ and they will produce that signature sweet flavor under the right growing conditions.
How long until harvest?
Expect mature bulbs in approximately 90 to 120 days from transplant.
Can I grow these in containers?
Yes, as long as you provide at least 6 inches of soil depth and adequate spacing.
Whatโs the flavor like?
Exceptionally sweet with minimal bite, making them perfect for raw use or gentle sautรฉing.
How should I store harvested onions?
Cure in a warm, dry, well-ventilated space until outer skins are papery. Store in a cool, dry location for several months.