Growing Onions in Georgia

Georgia is famous for sweet onions, and home gardeners can take advantage of the same basic principle behind that success: choose onion varieties matched to Georgia's short winter day length. Variety selection and planting season matter as much as soil and fertilizer.

Georgia Onion Quick Facts

Why Short-Day Onions Matter in Georgia

Onions begin bulbing in response to day length. Short-day cultivars start forming bulbs under the shorter day lengths found in the South, while long-day onions are better suited farther north. This is one reason buying an onion simply because it looks appealing in a catalog can lead to disappointing Georgia bulbs.

When to Plant Onions in Georgia

Onions are a cool-season crop. Georgia gardeners commonly establish short-day onions in fall or winter for spring harvest, with exact timing varying between North, Middle and South Georgia. Avoid treating onions like a summer transplant crop.

Vidalia Onions vs. Home-Grown Sweet Onions

Vidalia is not simply a generic name for every sweet onion grown in Georgia. The commercial name is tied to a legally defined production area and requirements. Home gardeners elsewhere in Georgia can grow excellent sweet short-day onions, but they should not assume that makes the harvest a Vidalia onion.

Georgia Companion Planting with Onions

Onions fit well along bed edges and beside lettuce, carrots, beets and many leafy crops because their upright growth occupies relatively little horizontal space. Keep enough room for bulb expansion. Companion planting can improve bed diversity, but it should not be presented as guaranteed pest control.

Watering, Feeding and Bulb Development

Keep soil reasonably moist while roots and leaves develop, but avoid waterlogged beds. Onions have relatively shallow roots and compete poorly with weeds. Excess nitrogen late in the crop can encourage leaves at the expense of timely bulb maturation.

Harvesting and Curing Georgia Onions

As bulbs mature, tops soften and fall. Harvest during dry weather when possible, handle bulbs gently and cure them in a dry, well-ventilated location out of rain. Sweet onions generally do not store as long as pungent storage types, so match storage expectations to the cultivar.

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Onion Recipes

Caramelized Onion and Goat Cheese Tart prepared with garden-fresh onions

Caramelized Onion and Goat Cheese Tart

Flaky puff pastry topped with slow-caramelized onions, tangy goat cheese and balsamic vinegar.

  • Yield: 6 servings
  • Prep: 20 min
  • Bake: 20 min
  • Total Time: 40 min

Ingredients

  • 1 sheet of puff pastry, thawed
  • 2 large onions, thinly sliced
  • 2 tablespoons olive oil
  • 1 tablespoon balsamic vinegar
  • 1 teaspoon sugar
  • Salt and pepper to taste
  • 4 ounces goat cheese, crumbled
  • Fresh thyme leaves for garnish

Instructions

  1. Preheat the oven to 400°F (200°C).
  2. Roll out the puff pastry on a floured surface and transfer it to a baking sheet.
  3. In a skillet, heat olive oil over medium heat. Add the thinly sliced onions and cook until they begin to soften.
  4. Sprinkle sugar over the onions and continue cooking until they caramelize, stirring occasionally.
  5. Deglaze the pan with balsamic vinegar and cook until the onions are deep golden brown. Season with salt and pepper.
  6. Spread the caramelized onions evenly over the puff pastry.
  7. Crumble goat cheese over the onions.
  8. Bake in the preheated oven for 15-20 minutes or until the pastry is golden brown and the cheese is melted.
  9. Garnish with fresh thyme leaves and slice into squares or rectangles.
French Onion Soup prepared with garden-fresh onions

French Onion Soup

Slow-cooked onions served in beef broth for a deeply savory, comforting soup.

  • Yield: 6 servings
  • Prep: 20 min
  • Broil: 30 min
  • Total Time: 50 min

Ingredients

  • 4 large onions, thinly sliced
  • 2 tablespoons butter
  • 2 tablespoons olive oil
  • 1 teaspoon sugar
  • 4 cups beef broth
  • 1 cup red wine
  • Salt and pepper to taste
  • Baguette slices
  • Gruyère or Swiss cheese, grated

Instructions

  1. In a large pot, melt butter and olive oil over medium heat. Add the sliced onions and cook until softened.
  2. Sprinkle sugar over the onions and continue cooking until they caramelize and turn a deep golden brown.
  3. Pour in red wine to deglaze the pot, scraping up any browned bits.
  4. Add beef broth, salt, and pepper. Bring to a simmer and let it cook for 20-30 minutes.
  5. Preheat the oven broiler.
  6. Ladle the hot soup into oven-safe bowls.
  7. Place baguette slices on top of the soup and sprinkle grated cheese over each slice.
  8. Broil until the cheese is melted and bubbly, with a golden brown top.
  9. Serve hot and enjoy the rich and flavorful French Onion Soup.
These recipes showcase the versatility and deliciousness of onions in both a savory tart and a classic soup.
Onions are generally cool-season crops, and they can be grown in both the spring and fall in Georgia. However, the best season for growing onions in Georgia depends on the specific variety you choose and your preferences.
Spring Planting (February to March)
Fall Planting (September to October)
Overwintering Onions
Choosing Onion Varieties
Popular short-day onion varieties include Texas Early White, Yellow Granex (the variety used for Vidalia onions), and Red Creole. It's important to select onion varieties that are well-adapted to Georgia's climate. Additionally, providing well-drained soil, adequate water, and proper spacing are essential for successful onion cultivation. Consider local gardening recommendations and consult with your local agricultural extension office for specific advice tailored to your region within Georgia.
Creamy onion dip topped with deeply caramelized garden onions

Caramelized Garden Onion Dip

Slowly caramelized garden onions are folded into a cool, creamy dip with a savory splash of Worcestershire and balsamic vinegar.

  • Yield: About 2 cups, 10 servings
  • Prep: 15 min
  • Chill: 1 hr
  • Total Time: 2 hr

Ingredients

  • 2 tablespoons unsalted butter
  • 1 tablespoon olive oil
  • 2 large yellow onions, thinly sliced
  • 1/2 teaspoon kosher salt, divided
  • 1 teaspoon balsamic vinegar
  • 1 cup sour cream
  • 1/2 cup mayonnaise
  • 4 ounces cream cheese, softened
  • 1 teaspoon Worcestershire sauce
  • 1/4 teaspoon black pepper

Instructions

  1. Melt the butter with the olive oil in a large skillet over medium-low heat. Add the onions and 1/4 teaspoon salt. Cook for 35 to 45 minutes, stirring regularly, until deeply golden and jammy; lower the heat if they brown too quickly.
  2. Stir in the balsamic vinegar, scrape up the browned bits and cook for 1 minute. Transfer the onions to a plate and cool completely.
  3. Beat the sour cream, mayonnaise, cream cheese, Worcestershire sauce, black pepper and remaining salt until smooth. Fold in the cooled onions, reserving a spoonful for the top.
  4. Cover and refrigerate for at least 1 hour. Top with the reserved onions and serve with sturdy chips or crackers.

Garden note: Patient, low heat develops sweetness without burning. The dip can be made a day ahead; let it stand for 10 minutes before serving if very firm.

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Georgia timing note: statewide dates are planning guides. Adjust for North, Middle or South Georgia, local elevation, frost dates and current weather.

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