How To Grow Green Onions From Cuttings

Grow green onions from cuttings

If you use green onions frequently in your cooking then having a constant supply is a great idea. Regrowing your green onions back after using them is simple, convenient, and will make your gardening day a lot easier, so why not give it a try.

This will also help you save money and give you a little bit of fun. Below, I will be giving you a step-by-step guide on how to grow green onions from cuttings.

How Do You Regrow Green Onions At Home?

Green onions are also known as spring onions and scallions. Usually, you can get them from the market along with its roots, but many people trim the roots off which are used for delicious recipes.

Did you know that green onions sold in the market can be regrown to reproduce new onions? Believe me, you’ll surely love to have fresh green onions on hand for your recipes and garnishes.

Here’s an easy way to regrow this food scrap that you used to throw away.

You’ll need:
  1. Green onions cut about 2.5 cm with its roots attached
  2. A small jar
  3. Water

You can plant it directly to your container pot, right into your garden bed, or you can also follow this step-by-step guide below.

  • Cut off the ends of the bulbs leaving the roots attached.
  • In a small jar, stand the bulbs with the root ends.
  • Add enough water to cover the roots.
  • Sit the jar on a windowsill and remember to keep the roots moist. 
  • New green shoots will start to emerge from the tops of the bulbs within a few days.
  • Once the shoot starts to come up, it’ll grow quite fast.
  • Keep the roots immersed and change the water frequently.
  • Once the shoots reach 4-5 inches long, it is best to transplant them in a pot or the garden bed. (keeping them in a jar will encourage them to produce new green shoots which will make the plant weak causing it to slowly die)
  • Snip off enough for your dinner recipe, and the onions will continue to grow. If your onion starts to flower, you can cut the blossom and add it to your delicious salads. 

How Long Does It Take for Green Onions to Grow?

Wait at least 25 days after planting, and your green onions should be ready to harvest. On the other hand it takes 100 to 175 days for dry bulb onions to reach maturity.

How Much Sunlight Do Green Onions Need?

Green onions at full sun exposure.

In general, onions prefer full sun exposure, with enough moisture and well-drained, fertile garden soil.

They do not grow in full shade but can survive in partial shade. However, aside from being more susceptible to pests and diseases, they are smaller in size compared to the onions that should be exposed to the full sunlight.

Can We Grow Green Onions Indoors?

Growing green onions indoors.

Onions are vegetables commonly found in backyard gardens, but they too can be grown indoors all-year-round by determined growers. It thrives well in a container deep enough for bulbs to develop in enriched soil with excellent drainage, and adequate exposure to sunlight. 

If natural light isn’t available in your home, it is essential to provide artificial lighting, especially during the fall and winter months. Small head onions are ideal for container growing due to their limited room to grow.

When Is The Best Time To Plant Green Onions?

Green onions in the garden bed.

Planting green onions in cold weather will produce healthy stalks, while it produces perfectly shaped bulbs when planted in warm weather. Since green onions are mainly used for the tops, it is best to plant them in the fall or early winter. 

Onions that need 4 to 6 hours of sun daily to form a bulb can also be planted during winter if you only need the stalks. 

How To Harvest Green Onions In My Garden?

a bunch of freshly picked green onions.

The great news is that green onions can bring you continuous produce all season long and harvesting them really has no trick. Directly pluck the leaves once the stalks pops up in the spring. They grow back quite rapidly so they will be available whenever you need them.

  1. You can start harvesting your green onions when some of the stalks reach 4-5 inches high, because the longer your onions stay in the ground, the stronger the taste becomes. Also, your onions are ready to harvest if its white neck has grown several inches long.
  2. Harvest your green onions by hand, carefully snip off the shoots a few inches from the ground.
  3. Carefully bundle as you pick them. Take a handful of onions and secure them with rubber bands. Green onions are highly perishable and can only last a week or two if stored properly. So, it is always wise to pick only enough for you to use in that given time frame.

Other Ways To Preserve Your Onions After Harvest:

Chopped onions ready to preserve.


Preserving your onions through freezing is one of the best ways you can do if your limited time is just too much of a hassle. It does not require blanching before freezing. You can chop up some stalks and place them in a plastic container. Freeze afterward and use them as needed.


Green onions dry quickly. It can be air-dried or dried by using a dehydrator, and drying it in the oven on low heat is a great option too.

Four Varieties of Green Onions

Any variety of onions picked before fully grown are called green onions. These tender onions taste entirely different from the one that forms a bulb. It has a small white bulb and long slender stalks that are both edible.

1) Basic Green Onions

Green onions in the market.

Green onions come from the Allium Fistulosum family. There are two different ways to harvest the plant. Some pick the vegetables early in the season just before the bulb starts to grow while others do it afterward once the plant develops bulbs.

Many people confuse green onions with spring onions. However, there’s an easy way to tell which one is which: Green onions have smaller bulbs compared to spring onions. In short, if you find onions with larger bulbs, it is considered a spring onion.

Are you curious on what the difference is between green onions and scallions? Well, the two are exactly the same vegetable. In the United States they are called green onions while people from the Mid-Atlantic usually call them scallions.

Green onions are common in Asian recipes, especially stir-fried dishes. They are an excellent addition to stews, soups, and many more varieties of dishes. A green onion picked from a vegetable garden in the spring or summer brings out the best quality. The bulb is firm, and the color is bright and sleek.

2) Chives

Chives with its spiky -purplish pink flowers.
Image by: Mike Bowler

Chives belong to the species of Allium Schoenoprasum that are usually classified as a herb instead of a vegetable. They are commonly used for garnishing in various dishes. It has a delicate garlic-like flavor, and even using a small amount can go a long way.

Many people sprinkle chives over foods such as potatoes and dips. It is finely chopped to bring forth its distinct smell and flavor, which makes this vegetable quite delicious.

This edible plant has many unique characteristics. Aside from its mild and versatile taste, it has vitamin A, C, Calcium, and Potassium. This onion is widely used in many famous restaurants around the world.

Chive leaves look like blades and can grow up to 2 inches high and can be available all year round. This plant usually blooms with a mix of purple and pink spiky flowers that are edible as well.

3) Leeks

Healthy stalks of leeks.

Leeks have a slightly sweet flavor and do not provide bulbs, but their stalk has a larger diameter, and usually reaches up to 10 inches high.

Its white roots have a cylindrical shape, and its unique crunchiness adds satisfaction to the consumers when eaten raw. Leeks are considered to have the sweetest flavor compared to other varieties.

Leeks are low in calories but are high in Vitamin C and Iron. They are also widely used as a base for several dishes like beans and pasta. In the winter months, delicious potato-leek soup and leek puree are popular in many restaurants.

You want to wash leeks thoroughly before cooking in winter months as they are quite hardy by nature. Storing leeks has a different procedure compared to other onions. You need to chop off the top parts and place them in a mesh bag after.

If the mesh bag isn’t available, you can use a damp kitchen towel or napkin to wrap the leeks in. Afterwards, tie with rubber bands and store them in the crisper section of your refrigerator.

4) Spring Onions

Spring onions fresh from the harvest.

Spring onions belong to the Allium Fistulosum family just like the traditional green onions. They are usually harvested in the spring, and that’s where the name spring onions derived from.

Spring onions can be eaten either cooked or raw. It also adds a delicious taste to many recipes from a ton of different countries around the world. It usually has a pungent taste and has a longer growing season than that of green onions.

Spring onions go great with dishes that contain meat, mashed potatoes, fettuccine, fish, and several varieties of gravies. It also has a distinctly sweet and crisp flavor making them a perfect addition to various dishes around the world.

Spring onions usually last up to a week or two if stored properly. The mesh bag storage procedure is ideal for storing spring onions. Afterwards, tie a rubber band around the bag and place it in the freezer to obtain a longer lifespan.

Final Thoughts

As you can see, onions are easy to grow, easy to preserve, and can add quite the flavor to many dishes around the world. They are one of those few plants that are essential and most useful in preparing your daily meals.

There you have it: the step by step guide on how to grow your green onions all year-round with a little extra chef information for you kitchen lovers. Did I miss anything? If you have new ideas you want to share on how to regrow green onions, please leave me a comment below so that we can become better gardeners together.

About Benita Abucejo

Hi there! My name is Benita Abucejo. What can I say? I truly love spending my days in the outdoors, specifically in the garden. Gardening has always been a strong passion of mine since I was a little girl. It has brought me so much joy and happiness that it is definitely safe to say that I will be a gardener for life. For a period of time, I was able to work with people who are into home gardening and I found it to be quite beneficial to my physical health, as well as my mental well-being. Here at Seasonal Preferences, I am going to share with you my experience and ideas so that you can fulfill yourself with the same satisfaction and happiness. Of course, if you have ideas, I would love to hear those as well! Being creative in the garden can really be quite fascinating so let's share our experiences and be the best gardeners we can be. With that being said, thank you for dropping by and please leave me a comment on one of my posts if you would like to get in touch!

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