Growing Green Onions: A Delightful Adventure for Your Taste Buds

If you want to take your salads and garnishes to the next level, growing green onions is the way to go. Not only is it incredibly easy, but the results are absolutely delicious! Whether you have a spacious garden or just a sunny window, you can enjoy the fresh and overwhelming flavor of these versatile onions in your recipes, salads, and soups. So, let’s dive into the world of green onions and learn how to grow them like a pro!

What Are Green Onions?

Green onions, also known as scallions, green-bunch onions, or spring onions, are a type of regular onion (Allium cepa). They have dark green, long, and tubular leaves with small fleshy bulbs. The best part? These lustrous leaves are perfect for eating fresh, preparing salads, and making garnishes. Green onions are known for their fast growth, and within 60 to 80 days, you can start harvesting their leaves. While they can reach up to three feet in height, they are typically harvested when they reach one foot. Suitable for a variety of soils and locations, green onions are a great addition to any garden.

How to Grow Green Onions?

Growing green onions is a breeze, whether you have a backyard or indoor space. They thrive in a variety of locations as long as you provide them with a few essential elements for their growth and development. Here’s what you need to know:

  • Make sure the temperature ranges from 68 to 77 degrees Fahrenheit, both indoors and outdoors.
  • Green onions prefer well-drained soils like sandy loam, loam, and clay loam. Good moisture retention is a characteristic of loam soils.
  • While they can grow in sandy soils, you’ll need to water them regularly.
  • Green onions are hardy in USDA zones 6 to 9 and require full sun exposure.
  • The soil acidity should ideally be between 6.0 to 7.0.
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With these guidelines in mind, you’re well on your way to successfully growing green onions in your garden or pots.

Caring for Green Onions: A Recipe for Success

Once your green onions are planted, it’s essential to provide proper care for them. Let’s dive into the key aspects of their care:


Green onions need full sunlight to reach their maximum potential. Choose a spot in your garden that receives ample sunlight throughout the year.

Soil Requirements:

Green onions love well-draining, sandy loamy, or loam soils with a slightly acidic to neutral pH range. Boost their overall growth and health by adding a layer of organic matter around the roots.


Green onions have shallow root systems, so regular watering is crucial. Keep the soil consistently moist, but be careful not to overwater, as it can lead to root rot and other diseases.


If your green onions show signs of diseases or slow growth, applying a balanced fertilizer can work wonders. High-nitrogen fertilizers, such as fish emulsion, can help them grow faster.

Growing Green Onions Indoors: Enjoy Freshness Year-Round

Green onions can easily be grown in pots or containers, thanks to their shallow root system. Choose pots with drainage holes to ensure proper drainage and prevent root rot. Unglazed clay pots work particularly well. Place your pots in a sunny spot, such as an east or south-facing window, to give them the maximum sunlight they need.

Harvesting Green Onions: The Joy of Homegrown Freshness

When it’s time to harvest your green onions, you’re in for a treat. Young green onions are soft and mild, reaching their peak flavor when they are about 7 to 8 inches tall and as thick as a pen. You can simply cut off the leaves you need for cooking or preparing salads using garden scissors. If you need the whole plant, gently pull it out, wash it, and use it in your recipes. Stored in the refrigerator, green onions can stay fresh for up to a week.

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Regrowing Green Onions from Cuttings: Nature’s Magic Trick

If you don’t have access to green onion seeds, don’t worry! You can easily regrow green onions from cuttings. It’s a simple and straightforward process that takes about a week. Here’s how:

  1. Take a bunch of freshly harvested green onions and cut the green stems, leaving one to two inches of the root side.
  2. Place the root side down in a glass of water, filling it about halfway.
  3. After a day, you’ll notice green shoots starting to grow. After ten to fourteen days, rapid root growth will occur.
  4. Prepare your pot or garden by making holes and planting the regrown green onions.

The Best Way to Grow Green Onions: Pots and Containers

One of the best ways to grow green onions is in pots or containers. This allows for easy monitoring and care, ensuring your green onions thrive without any mishaps or diseases.

Soil vs. Water: The Battle of Green Onion Growth

While green onions can be grown in water, they thrive best in soil. Soil provides the traditional medium for their growth, and it’s easier to provide them with the necessary nutrients. Unless you’re an expert in hydroponics, growing green onions in soil is the way to go.

The Perennial Charm of Green Onions

Some onions, including green onions, are perennial. That means you can regrow them again and again. If you live in USDA hardiness zones 6 to 9, you can enjoy the endless harvest of green onions.

Now that you know the secrets to growing green onions, it’s time to roll up your sleeves and start your own green onion garden. Enjoy the fresh taste and delightful aroma of homegrown green onions in your favorite dishes! Remember, the journey of growing and harvesting your own food is truly rewarding. So, let’s get gardening!

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If you’re eager to learn more about gardening and sustainable living, join me at the Ames Farm Center. Explore our wide range of resources, tips, and products to help you create your own little oasis of greenery. Together, we can cultivate a healthier and greener world, one onion at a time!