• Almost every garden has onions planted.onion image by Marek Kosmal from Fotolia.com
  
  People have grown onions in the United States since 1629, making the onion one of the top 10 vegetables produced. People use onions for cooking, canning and eating. The sweetest onions are short-day onions that mature in 80 days, but these onions do not store well. Intermediate-day onions produce a spicy, sweet flavor. Long-day onions grow best in the northern part of the United States. They have a pungent flavor and are the longest lasting onions for storage.
  
  

Red Creol

• The red creol onion is a short-day onion. It is perfect for southern and midwestern gardens. Hardy in USDA zones 3 through 9, this onion grows best in full sun. The seeds germinate in 10 to 15 days and take 110 days to reach maturity. This onion keeps well and has a spicy-sweet flavor. The red creol onion is great for cooking and mild enough to eat in salads. It has a red color for a more colorful dish.
  
  

Candy Hybrid

• The candy hybrid onion is an intermediate-day onion that is perfect to grow in almost any garden and packs in a lot of flavor. The candy hybrid is hardy in USDA zones 3 through 9. This is a yellow onion that takes 10 to 15 days for the seeds to germinate, and then 135 days to maturity. Plant the candy hybrid onion in full sun. The sharp, sweet flavor livens up any recipe.
  
  

Yellow Sweet Spanish

• The yellow sweet Spanish onion is a long-day onion. It has a very mild flavor and the skin is golden brown. This onion can grow big, weighing up to 1 lb. The seeds take 10 to 15 days to germinate and 128 days to mature into onions. Plant yellow sweet Spanish onions in full sun. This onion is hardy in USDA zones 3 through 9. The yellow sweet Spanish onion is good for cooking or canning recipes and is a fairly long-keeping onion.
  
  

Nebuka Evergreen

• The nebuka evergreen bunching onion is a splitting type of onion that is essential in Japanese and Chinese cooking. The nebuka evergreen is a nonbulbing onion, as it has long, slender, white stalks in tight clusters. This onion is hardy in USDA zones 3 through 9. The seeds germinate in 8 to 12 days and take 65 days to reach maturity. This onion is often pulled, rinsed off and eaten fresh from the garden. The nebuka grows 16 to 24 inches tall. Plant the nebuka onion in full sun. The nebuka is hardy and cold resistant.