How To Grow Broccoli Sprouts In A Mason Jar?

If you’re looking for a simple and affordable way to add a nutritious boost to your meals, then growing broccoli sprouts in a mason jar is the perfect solution for you. With just a few simple steps, you can enjoy these delicious sprouts packed with vitamins and minerals right at home. In this article, we’ll guide you through the process of growing broccoli sprouts in a mason jar, so you can elevate your meals to a whole new level of health and flavor. So grab your mason jar and let’s get started on this exciting journey of growing your own broccoli sprouts!

Materials Needed

To grow broccoli sprouts in a mason jar, you will need a few key materials. First, you will need a mason jar, which is a clear glass jar with a tight-sealing lid. The size of the jar will depend on how many sprouts you want to grow. Next, you will need a sprouting lid or mesh cloth. This will allow for proper airflow while preventing the seeds from escaping. Additionally, you will need organic broccoli seeds, as it is important to use high-quality and chemical-free seeds for sprouting. Lastly, you will need water, which is essential for the sprouting process.

Preparing the Jar

Before starting the sprouting process, it is important to prepare the mason jar. Begin by thoroughly cleaning the jar and lid with warm, soapy water. Rinse them well to ensure there are no soap residues. Next, soak the jar and lid in hot water for a few minutes to sanitize them. This step helps to prevent the growth of any harmful bacteria. After soaking, dry the jar and lid completely. It is crucial to have a clean and dry jar to create a suitable environment for sprouting.

Preparing the Seeds

Now that the jar is ready, it’s time to prepare the seeds. Start by rinsing the organic broccoli seeds under cool running water. This will help to remove any impurities or debris from the seeds. Once rinsed, place the seeds in a bowl or container and cover them with water. Allow the seeds to soak for about 8-12 hours or overnight. Soaking helps to activate the seeds and initiate the sprouting process.

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Sprouting Process

With the jar prepared and the seeds soaked, it is time to begin the sprouting process. Start by adding water to the mason jar. Fill the jar about one-third of the way with clean, filtered water. Next, drain the water from the soaked seeds and add them to the jar. Spread the seeds evenly in the jar, ensuring they are not piled up in one area. Once the seeds are added, cover the jar with a sprouting lid or mesh cloth. This will allow for proper airflow while preventing dust or insects from entering. Now, it’s time to find a suitable place for the jar. Store the jar in a dark place, such as a kitchen cabinet or pantry, away from direct sunlight.

How To Grow Broccoli Sprouts In A Mason Jar?

Rinse and Drain

During the sprouting process, it is important to rinse and drain the sprouts twice a day. This helps to keep them clean and hydrated while preventing the growth of mold or bacteria. To rinse the sprouts, simply pour water into the jar and swirl it around gently. Then, carefully drain out the water, ensuring that all excess moisture is removed. It is important to drain the sprouts well to prevent them from sitting in water, which can lead to the development of mold. Repeat this process twice a day, ideally in the morning and evening, for 4-6 days or until the sprouts reach the desired size.

Caring for the Sprouts

Once the sprouts have grown to the desired size, it’s time to care for them in preparation for harvest. At this point, you can move the jar near a window where the sprouts can receive some indirect sunlight. This will help the sprouts develop chlorophyll, giving them a vibrant green color. However, be cautious not to expose the jar to direct sunlight, as it can cause the sprouts to dry out or overheat. Continue rinsing and draining the sprouts twice a day until they are ready to harvest.

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Harvesting the Sprouts

When the broccoli sprouts have reached the desired size, it’s time to harvest them. Before harvesting, give the sprouts one final rinse and drain to remove any loose hulls or debris. Once rinsed, gently pat the sprouts dry with a clean towel. To harvest the sprouts, simply remove them from the jar using your hands or a fork. Harvesting can be done all at once or in smaller portions, depending on your preference. Make sure to harvest the sprouts before they become overcrowded, as this can affect their quality and taste.

Storing and Using Sprouts

After harvesting the sprouts, it is important to store them properly to maintain their freshness. Give the sprouts one final rinse and drain to remove any remaining moisture. Then, transfer the sprouts to a clean container and store them in the refrigerator. Properly stored sprouts can last for up to a week, but it is best to consume them as soon as possible for maximum freshness and nutritional value. There are many ways to use broccoli sprouts in your meals. Add them to salads, sandwiches, wraps, or even blend them into smoothies for an added nutritional boost.

Tips and Precautions

To ensure successful sprouting, here are some helpful tips and precautions to keep in mind. First, be sure to use high-quality organic seeds specifically meant for sprouting. These seeds are free from chemicals and pesticides, ensuring a safe and healthy outcome. Additionally, avoid over-soaking the seeds, as this can lead to mold growth. Stick to the recommended soaking time to achieve optimal results. Proper airflow is also crucial during the sprouting process. Ensure the sprouting lid or mesh cloth allows for adequate ventilation to prevent the growth of mold or bacteria. Lastly, remember to keep the jar away from direct sunlight during sprouting to prevent the sprouts from drying out or becoming overheated.

Potential Issues

During the sprouting process, you may encounter a few potential issues. One common issue is mold growth. If you notice any fuzzy white or green patches on the sprouts, it is a sign of mold. To prevent mold growth, ensure proper drainage and airflow, and rinse the sprouts thoroughly during each rinse cycle. Another issue to be aware of is slimy or foul-smelling sprouts. This can happen if the sprouts are not adequately drained or if there is bacterial contamination. If you encounter slimy or foul-smelling sprouts, it is best to discard them and start fresh. Lastly, if your sprouts are not growing, it could be due to various factors such as improper soaking, inadequate airflow, or poor quality seeds. Assess these factors and make any necessary adjustments to encourage healthy sprout growth.

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Frequently Asked Questions

  1. How long does it take to grow broccoli sprouts? The time it takes to grow broccoli sprouts depends on various factors, including temperature, seed quality, and desired sprout size. Generally, it takes about 4-6 days from soaking to harvest.

  2. Can I reuse the sprouting jar and lid? Yes, the mason jar and sprouting lid can be reused for multiple sprouting cycles. However, it is important to thoroughly clean and sanitize them between each use to prevent the buildup of bacteria or mold.

  3. Can I grow other sprouts using this method? Absolutely! The mason jar method can be used to sprout a variety of seeds, including but not limited to alfalfa, lentils, radish, and mustard. Each seed may have specific soaking and sprouting times, so be sure to research and follow the appropriate instructions for the seeds you choose to sprout.


Growing broccoli sprouts in a mason jar is a simple and rewarding process that allows you to enjoy the freshness and nutritional benefits of homegrown greens. By following the steps outlined above and providing proper care, you can easily incorporate these nutritious sprouts into your diet. Experiment with different recipes and enjoy the numerous health benefits that come with growing your own sprouts. Get started today and embark on a journey of homegrown goodness!