When to Plant Spring Onions

Do you want to liven up your cooking with spring onions' fresh taste? Wondering when's the best time to plant them for a good harvest?

Spring onions, also called scallions or green onions, can grow from seeds, transplants, or bulbs. Each planting method has its own benefits. Knowing the right time to plant is key for a big spring onion crop.

Let's explore the best times to plant spring onions. We'll learn how to get a big, tasty yield.

Types of Spring Onions

Growing spring onions gives you three choices: onion seeds, transplants, and onion bulbs. Each way has its own good points and things to think about.

Onion Seeds: When you plant from seeds, you get to pick from many types of onions. They come in different colors, flavors, and sizes. But, growing from seeds means waiting for them to germinate and grow big. It's great for those wanting to try various onion kinds.

Transplants: Transplants are small, started onions that you plant at the scallion stage. They are a bit fragile, needing gentle care when you plant them. Yet, they grow faster than seeds, allowing you to harvest them earlier. They're perfect for those wanting quick onions without the wait of growing from seeds.

Onion Bulbs: Onion bulbs are last year's seeds grown into small onions. They are a favorite for many home gardeners because they grow fast and reliably. Put these bulbs in the ground, and they will become your spring onions. This method assures a good harvest with less effort from you.

Now that you understand the options, you can pick what works best for you. Whether you like the variety of seeds, the speed of transplants, or the ease of bulbs, a good onion harvest is within reach.

Day Length for Spring Growing

Spring onions, known as scallions or green onions, need certain daylight hours to grow. They are split into two groups: day-neutral onions and long-day onions.

Day-neutral onions can deal with different sunlight periods. They do best with 12-14 hours of daylight. These onions are sweet and juicy. You can enjoy them in many recipes, whether raw or cooked.

Long-day onions, however, require more daylight, about 14-16 hours. They are great for storage and keep their flavor when cooked. People often use them in soups and stews.

To figure out what onions to grow, look for a map showing the ideal conditions. This map should detail the best onions for your area. It will ensure your onions grow well.

day length for spring onionsPin

Knowing the right daylight hours for spring onions is key. Pick the right type for your area. Then, watch your garden fill with tasty onions.

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Planting and Growing Spring Onions

For a good spring onion harvest, the right conditions are key. They need plenty of sun and soil that drains well. Make sure the soil is full of nutrients.

Plant spring onion bulbs deep and keep them four inches apart. This helps them grow properly without being too crowded.

Spring onions need steady watering but don't overdo it. Too much water can cause them to rot. It's also good to add nitrogen with compost or balanced fertilizers. This boosts their growth.

To keep spring onions healthy, keep the beds free of weeds. Weeds steal the food and water the onions need. Put mulch around them to keep weed growth down and soil moist.

It's best to grow spring onions in raised beds or rows. This setup has better drainage and can fight off diseases. It also makes it easier to care for and harvest them.

Stick to these planting tips and you'll get a great spring onion crop. Spring onions are great for any gardener, whether you're just starting or a green thumb. They're a fun and useful veggie to have in your garden.

Harvesting Spring Onions

When to harvest spring onions is key for great taste and feel. You need to watch your plants closely to see when they're ready.

Spring onions are usually ready to pick around eight weeks from planting. You can tell they're ready when the bulbs are big enough and the tops are fading. This means they're grown and mature.

Gentleness is crucial when taking spring onions out. Hold the plant’s base gently and pull upwards. Make sure you pull out the whole plant from the ground.

Next, spring onions must be cured after picking. To do this, cut their tops and roots. Then, let them dry for 7-10 days. This step makes the onions taste even better and last longer.

harvesting spring onionsPin

After curing, you can store your spring onions. Keep them in a cool, dry spot, like a pantry. Good storage stops them from spoiling and preserves their freshness.

Picking spring onions at the right time makes them taste their best. With these steps, you can have fresh, tasty spring onions for cooking.

Storing Spring Onions

After you pick your spring onions, it's key to store them well for best taste. If you plan to use them raw or cooked, knowing the right storage tricks can make them last longer.

Spring onions are best eaten fresh. Enjoy their crunch and subtle taste by adding them to salads, stir-fries, or as a finishing touch.

If you’ve picked more than you can eat right away, you can save some for later. Start by curing them. Place the onions in a dry, shady spot for 7-10 days. This helps dry outer layers and makes them last longer.

After curing, find a cool, dry place to store them. A dark pantry or the fridge's crisper drawer works well. Mind you, keep them dry to avoid rot. You may use a mesh or paper bag to keep air flowing around them.

See also
What Vegetables to Plant in Spring

Freezing is another good option for excess spring onions. Chop them up, blanch in hot water for a minute, then cool them off in an ice bath. Once dry, pack in a sealed container. They’re ready for soups, stews, or any dish, even after the season.

Spring onions keep coming if you plant new seeds every couple of weeks. This way, you’ll always have fresh ones on hand.

So, keeping spring onions right means you can enjoy them long after picking. Whether you use them right away or save for later, correct curing and storage are key. This way, you can experience the delightful, fresh taste of your garden’s onions any time of year.

Troubleshooting Spring Onions

Growing spring onions is usually easy. However, some issues may come up. Knowing these problems and how to prevent them will help you harvest healthy spring onions.

1. Onion Fly Infestation

Onion flies are pests that can hurt spring onion crops. Planting mint near them can keep these flies away. The strong smell of mint makes onion flies avoid your crops.

2. Inadequate Watering

Spring onions need good watering to grow well. They like their soil moist but not soaked. Always check the soil's top inch to see if it's dry before watering. Make sure the soil isn’t wet or too dry.

3. Weed Control

Weeds can steal moisture, nutrients, and sunlight from spring onions. It's important to remove any weeds you see. Putting mulch around your onion plants helps stop weeds and keeps the soil moist.

4. Nutrient Deficiencies

Spring onions need enough nutrients to be healthy. Make sure the soil is full of organic matter. You might also need to add some fertilizer. Fertilizers high in nitrogen are good for spring onions.

Solving these common problems can lead to a great spring onion harvest. Following these tips will help you avoid most issues.

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Recommended Spring Onion Varieties

Choosing the right spring onion type is crucial for a successful harvest. Consider these top picks:

  • 'White Lisbon': Best for planting year-round, this variety grows well in autumn and winter. It has mild, white bulbs, perfect for various dishes.
  • 'Lilia': For those who enjoy onions with a strong flavor and a hint of color, 'Lilia' is a great pick. Its red bulbs stand out and offer bold taste.
  • 'Performer': Ideal for anyone wanting a constant supply, 'Performer' is known for its reliable yields. It has medium-sized bulbs and a pleasant flavor.

These spring onion varieties vary in taste and use. Try different ones to see what works best for you and your garden.

Comparison of Recommended Spring Onion Varieties

Planting Season
Bulb Color
'White Lisbon'
Autumn and Winter
Mild, Delicate
Spring and Summer
Spring and Fall

Growing Spring Onions in Containers

Gardening can fit even the smallest spaces if you use containers. A small balcony or yard is enough to grow spring onions. This method lets you savor the flavor of freshly grown onions at home. Follow this guide to start your own container garden.

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1. Choose the right container

Be sure to pick a container with drainage to avoid water buildup. For spring onions to grow well, the container should be at least six inches deep. Any container type works, such as terracotta pots, plastic, or wooden boxes, as long as they have holes for water to escape.

2. Prepare nutrient-rich soil

Use soil that drains well and is full of nutrients. Mix potting soil, compost, and either perlite or vermiculite together. This mix helps soil stay moist but not soggy.

3. Follow planting guidelines

Plant the onion bulbs about an inch deep and space them out evenly. How many you plant will depend on the container's size. Remember to follow the spacing advice on your bulb's packaging or from the supplier.

4. Provide adequate care

To grow well, spring onions need regular watering to keep the soil evenly damp. Every two weeks, feed them with a balanced liquid fertilizer. This ensures they get all the necessary nutrients.

In a container, onions may need more water because the soil is shallower. Watch how damp the soil is and water more if it's drying out too quickly.

5. Harvesting and using your spring onions

When the onions are the right size and their tops are bright, it's time to harvest. Pull them out gently to not disturb other plants. Wash them well before adding to dishes.

Container-grown spring onions taste as good as those from the ground. They're great for salads, topping dishes, in stir-fries, and more.

Container Requirements
Good drainage
Prevents waterlogging and root rot
Depth of at least 6 inches
Allows for full bulb development
Well-draining soil
Ensures proper root growth and nutrient absorption
Regular watering
Maintains optimal moisture levels for growth
Balanced liquid fertilizer
Provides essential nutrients for healthy growth

With the right container, soil, and attention, a big crop of spring onions could be yours. Growing onions in containers not only saves space but also brings fresh flavor to your meals.


Spring onions are great for home gardens because they're easy to grow. This guide helps you grow tasty spring onions in your garden. They're a good choice whether you have a big garden or just a few pots.

To grow spring onions well, pick the right time to plant them. Knowing the best time helps them grow strong. They need lots of sun, good soil, and water to thrive.

Follow the tips in this guide to get a lot of fresh spring onions. Plant them right, water and feed them well, and keep the area clean. Doing this will make your spring onions grow well.

Now you're ready to start growing your own spring onions. With this info, you can enjoy the harvest and their great taste in your meals.

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