How to Grow Scallions Indoors: A Step-by-Step Guide

Choosing the Right Container for Indoor Scallion Growth

scallion planter

Gardening enthusiasts are not limited to traditional outdoor garden spaces, as indoor farming is a popular trend recently. One of the easiest ways to participate in this trend is through indoor scallion gardening, which requires a few simple steps to succeed. One of the most essential steps to ensure a prosperous indoor scallion garden is to select the right container, which could be an old coffee can, a flashy planter, or even a classic mason jar.

There are many ways to grow scallions indoors, but utilizing the correct container size for indoor scallion growth is crucial. A container too small might restrict the root growth, whereas a container too large may encourage waterlogging of the soil. Hence, it’s essential to choose the appropriate container that provides ample space for scallion bulbs development while ensuring proper drainage and healthy air circulation around the root systems.

The ideal sizes of the containers for scallion growth range from two to six inches deep and four to eight inches wide to hold enough soil for the root systems to grow and to provide adequate air circulation. The container can be made of plastic, ceramic, metal, or even glass, as long as it includes drainage holes to prevent soil from becoming waterlogged. Using a container without proper drainage may cause root rot and the eventual death of the scallions.

The next thing to consider is the shape of the container. It’s essential to choose a container that matches the size of the living area and one that fits on your windowsill or the right spot of the room where it receives enough sunlight exposure. A window box or planter with a suitable shape is ideal if you want to grow more than one scallion plant at a time and to save space in your home. It’s also a great option if you prefer a more aesthetic presentation for your indoor garden.

Another option for growing scallions indoors is using a mason jar or any glass container that has been designed for plants. A mason jar not only looks stylish and modern, but it is also functional as it allows the plant to grow vertically without taking up too much space. It’s important to note, however, that a mason jar is not suitable for growing more than one scallion plant at a time, and it may require frequent watering, depending on the jar size.

Furthermore, repurposing old coffee cans or food containers can serve as a cheap alternative for planting scallions indoors. Before planting, make sure to drill some holes in the bottom of the container for proper drainage. These everyday items can be decorated to suit the home’s decor or painted to become a focal point of an indoor garden.

To sum up, there are numerous options for containers to use in growing scallions indoor. Whether it’s an old coffee can or a chic planter, make sure to choose the appropriate size and shape container, one that will provide enough growing space, drainage, and air circulation. By providing a suitable container for indoor scallion growth, you’ll be one step closer to enjoying freshly grown scallions right from the comfort of your home.

Preparing the Soil and Planting Scallion Seeds

Growing scallions indoors

Scallions are a staple ingredient in many dishes. Their tangy and mild onion flavor complements a variety of cuisines, including Asian and Mediterranean. If you are looking to grow fresh scallions year-round, you can grow them indoors in pots. In this article, we will discuss how to prepare the soil and plant scallion seeds for indoor growing.

Preparing the Soil

Before planting scallion seeds, it’s essential to prepare the soil. Scallions prefer well-draining and loose soil that is rich in organic matter. High-quality potting soil or a mixture of equal parts compost, sand, and perlite is perfect for growing scallions indoors.

Scallions also prefer slightly alkaline soil with a pH between 7.0 and 7.5. Therefore, you can purchase a soil testing kit from a garden center or online to measure your soil’s pH level. In case you cannot find a soil testing kit, a simple and effective home method is to mix equal parts of white vinegar and baking soda using a pinch of your soil. If you notice fizzing, your soil is acidic, and if it doesn’t fizz, it is alkaline or neutral.

If your soil is acidic, you can raise the pH by adding some agricultural lime to the soil. If it’s alkaline, you can lower the pH by mixing some garden sulfur to it. After mixing, allow the soil to sit for a few days before planting the scallion seeds.

Planting Scallion Seeds

Scallion seeds are small and can be challenging to handle. It’s, therefore, crucial to scatter them evenly over the soil’s surface to avoid overcrowding and competition for nutrients, water, and light. You can use a seed planter or your fingers to scatter the seeds.

The recommended planting depth for scallion seeds is 1/4 inch deep. You can use your fingers to make shallow furrows on the soil’s surface before scattering the seeds. After that, cover the seeds lightly with soil and press gently to ensure proper seed-to-soil contact.

Scallions require around 6-8 hours of sunlight daily, making it ideal to place them near a south-facing window. Additionally, scallions prefer cooler temperatures between 60-70F. If your indoor temperature exceeds this range, consider using a grow light to supplement the sunlight.

After planting, keep the soil consistently moist but avoid overwatering. Scallion seeds take around 14-21 days to germinate. Once the seedlings are a few inches tall, thin them out to two inches apart to give each plant enough space to grow. You can also use the thinned scallions in your dishes.

In summary, preparing the soil and planting scallion seeds is easy and straightforward. Scallions are very low maintenance, making them perfect for indoor gardening enthusiasts. With proper care and attention, you can enjoy fresh scallions year-round.

Optimal Lighting and Temperature Conditions for Indoor Scallion Growth

Indoor Scallion Growth

When it comes to growing scallions inside your home, the right lighting and temperature conditions must be met to ensure healthy growth year-round. Indoor plants rely solely on their growers for the proper lighting and temperature to flourish; therefore, it is essential to have proper knowledge of these conditions to produce the best growing environment for your scallions.

Lighting Conditions: Scallions require an adequate amount of light to grow best. The amount of light they receive directly affects the size and quality of the scallions. Since scallions are typically grown during the winter months, it is crucial to have supplemental lighting, such as LED grow lights, to provide even light exposure for optimal growth.

When it comes to the duration of light needed, scallions typically require 12-14 hours of light per day, with the remaining 10-12 hours of darkness. It is essential to ensure that the light source is positioned between 6-12 inches away from the scallions to guarantee even exposure. As the scallions grow taller, you must raise the light source to maintain an even distance between the light and the plants.

Temperature Conditions: Temperature is also critical when it comes to scallion growth. Like other plants, scallions prefer consistent temperatures, neither too hot nor too cold. The ideal temperature for scallions ranges between 60-75 degrees Fahrenheit.

When temperatures fall below 50 degrees, scallions will stop growing and eventually die. However, when the temperature rises above 85 degrees, scallions may bolt, sending up a flower stalk and producing smaller bulbs. Therefore, it is crucial to ensure consistent temperatures to maintain healthy plant growth.

A suitable way to regulate temperature is to use a fan or air conditioner to provide adequate air circulation. Scallions are prone to disease if the humidity level is too high. Therefore proper ventilation is essential. Always avoid placing scallions near heating or cooling vents that may cause fluctuating temperatures.

Conclusion: Achieving optimal lighting and temperature conditions is essential to growing healthy scallions indoors. It is essential to provide your plants with the appropriate lighting by investing in grow lights and regulating temperature using fans or air conditioners to ensure a conducive environment for growth.

If you take the necessary steps to provide your scallions with the ideal growing conditions, they can quickly adapt to most indoor environments and even thrive better than those grown outdoors. With proper care and attention, you can expect a healthy harvest of delicious home-grown scallions all year round.

Watering and Fertilizing Your Indoor Scallions

Watering and Fertilizing Your Indoor Scallions

Growing scallions indoors is an enjoyable and simple way to add flavor to your meals without having to leave the comfort of your own home. Keeping your indoor scallions alive and thriving can be a daunting task. Proper watering and fertilization of your indoor scallions will be the topic of discussion today. In this article, we will cover how to water your indoor scallions, what fertilizers to use, and how to apply the fertilizer properly.

Watering Your Indoor Scallions

Watering Your Indoor Scallions

Scallions are easy to maintain; however, overwatering is the most common mistake people make when growing scallions indoors. To avoid this, you should use a well-draining potting mix as the soil for your indoor scallions. It is recommended to water your scallions once every two to three days, or when the soil is dry to the touch. The frequency of watering may vary depending on the size of your pot and plant. Therefore, make sure that the pot has drainage holes to allow excess water to escape. Overwatering can damage or kill your scallions, so it’s vital to avoid it at all costs.

Fertilizing Your Indoor Scallions

Fertilizing Your Indoor Scallions

Scallions benefit from being fed with fertilizer. The best fertilizer for scallions is a balanced, water-soluble fertilizer that has equal amounts of nitrogen, phosphorous and potassium, such as a 10-10-10 or 14-14-14. These balanced fertilizers have the essential nutrients needed by scallions to grow healthy and strong. Fertilizers can be applied every two weeks, but it will depend on the instructions provided by the manufacturer and can vary based on the type of fertilizer you choose. Scallions don’t need high levels of fertilizers, and over-fertilization can lead to stunted growth. Therefore, it’s important to use the right amount of fertilizer that is needed by your scallions.

Application of Fertilizer to your Indoor Scallions

Application of Fertilizer to your Indoor Scallions

There are a few ways you can apply fertilizer to your indoor scallions. You can apply the fertilizer directly to the soil or mix it with water and use it to water your scallions. The second option is the most common and the most efficient way of fertilizing your scallions. You should mix the fertilizer with water, according to the instruction, and apply it to your scallions every two weeks. Make sure to use the correct amount of fertilizer as specified by the manufacturer. Overfertilizing your scallions can result in leaf burn or excessive growth. It’s essential to provide the proper amount of nutrients to your scallions without overdoing it.


In conclusion, watering and fertilizing are vital to keep your indoor scallions healthy and alive. Overwatering can lead to root rot, and over-fertilization can result in stunted growth. Make sure to follow the instructions provided by the manufacturer on both fertilizer and watering. Using the correct amount of fertilizer mixed with water and applying it every two weeks will give your scallions the necessary nutrients to flourish. Make sure to keep a close eye on your indoor scallions to avoid any complications and only fertilize when necessary. Happy growing!

Harvesting Your Homegrown Indoor Scallions

Harvesting Indoor Scallions

Scallions are a type of onion that can easily be grown indoors. They are full of nutrients, easy to care for, and can be harvested quickly. Growing scallions indoors can be a fun and rewarding hobby, especially if you are looking to add some flavor to your cooking. However, knowing how to harvest them properly is crucial to ensure that you enjoy them in their best form. Here are some tips to help you get the most out of your indoor scallion harvest:

1. Know When to Harvest

Scallions can be harvested at any time during their growth cycle. However, the best time to harvest them is when they are between 8-10 inches tall. At this stage, they are young enough to be tender but mature enough to have a strong flavor. Remember that scallions will continue to grow if left untreated, and the older they get, the milder they become.

2. Prepare Your Tools

You’ll need a sharp pair of scissors or pruning shears to harvest your scallions. Before you start, make sure to clean them thoroughly to prevent the spread of any diseases or pests in your garden. You may also want to have a clean container or bucket to collect your harvested scallions.

3. Harvesting Technique

When you’re ready to harvest, use your scissors or pruning shears to snip off the leaves of your scallion at the base, about 1-2 inches above the soil level. Do not pull the scallions out of the soil as this can damage the roots of the onions and reduce their growth ability. You can harvest the entire plant or just a few leaves, depending on your needs.

4. Proper Storage

After harvesting your scallions, it’s essential to store them properly. You may want to rinse them with cold water to remove any dirt lingering on the leaves. Then, dry them with a paper towel before storing them in the refrigerator. You can store them in an airtight container or wrap them in a damp paper towel and then put them in a plastic bag. Fresh scallions can last up to two weeks in the refrigerator.

5. Continuously Harvest

Harvesting your scallions continuously can help prolong their growth and ensure a continuous yield. To do this, you can harvest only a few leaves every time you need them and let the rest of the plant continue to grow. This method ensures a bountiful harvest all year round, which is useful for those who love to cook with fresh scallions. Make sure to keep your soil moist and fertilize your plants regularly.

Harvesting Indoor Scallions

By following these simple tips, you can successfully harvest your homegrown indoor scallions. Remember that harvesting your scallions correctly can help ensure that they last longer and taste better. Enjoy the fruits of your labors and have fun experimenting with new recipes that incorporate this flavorful ingredient!