Best Varieties of Onions to Start from Seed in June

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June is a great time to start onion seeds if you want to enjoy fresh, homegrown onions later in the season. Choosing the right varieties can make a significant difference in your harvest. Here are some of the best onion varieties to start from seed in June.

Why Start Onions from Seed in June?

Starting onions from seed in June allows you to transplant seedlings into your garden in late summer or early fall. This method is ideal for regions with short growing seasons or for gardeners who want to extend their onion harvest into the late fall. It also gives you access to a wide range of onion varieties that may not be available as sets or transplants.

Top Onion Varieties to Plant from Seed in June

  • Walla Walla Sweet – Known for its mild flavor and large bulbs, this variety is perfect for sweet onion lovers. It matures in late summer and does well when started from seed in June.
  • Yellow Sweet Spanish – A versatile and popular variety, producing medium-sized, sweet onions ideal for eating fresh or cooking.
  • Red Burgundy – Adds color and flavor to your garden. This variety produces vibrant red bulbs with a mild taste.
  • White Sweet Spanish – Offers crisp, white bulbs with a sweet flavor, suitable for salads and fresh eating.
  • Ringmaster – An early-maturing yellow onion that is excellent for short growing seasons and can be started from seed in June.

Tips for Growing Onions from Seed in June

To ensure successful onion growth from seed in June, follow these tips:

  • Choose the right containers: Use seed trays or pots with good drainage.
  • Use quality seed-starting mix: A light, well-draining soil promotes healthy seedling development.
  • Provide adequate light: Place seedlings in a sunny window or under grow lights for at least 12-14 hours daily.
  • Keep soil moist: Water regularly but avoid overwatering to prevent rot.
  • Transplant carefully: Harden off seedlings before transplanting outdoors to reduce shock.

Conclusion

Starting onion seeds in June is an excellent way to enjoy fresh, flavorful onions later in the season. By selecting the right varieties and following proper growing practices, you can enjoy a bountiful harvest of sweet and savory onions. Happy gardening!