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Seed Storage Solutions. What are the best practices for storing microgreens seeds? 0
Seed Storage Solutions. What are the best practices for storing microgreens seeds?

Seed Storage Solutions. What are the best practices for storing microgreens seeds?

In the vast realm of the internet, microgreens enthusiasts can find a wealth of information. Countless tutorials meticulously describe the ins and outs of caring for microgreens. However, amidst the myriad of tips regarding post-harvest care, one crucial aspect often slips under the radar: seed storage.🌿🔍

Indeed, while much attention is given to the delicate greens themselves, it's the humble seeds that truly lay the foundation for success in the world of microgreens. Serving as:

  • the starting point of growth,
  • the quality of seeds
  • and how they're stored wield significant influence over the outcome of your microgreens endeavors.💡

In this article, we aim to address this oversight by shedding light on the often-neglected sphere of seed storage. Our goal is to provide answers to the countless questions that arise concerning this essential aspect of microgreens cultivation. From deciphering the optimal storage conditions to unraveling the mysteries of seed longevity, we're here to equip you with the knowledge and tools necessary to protect your seeds and, consequently, your harvest.💪📦


Get ready because in this article, we'll tackle the following questions:  

1. How to store microgreens seeds?

2. Where's the best place to store microgreens seeds?

3. How long can you store seeds for microgreens?

4. Do microgreens seeds have an expiration date?

5. Can you freeze microgreens seeds?


1. How to store microgreens seeds?

Proper storage of microgreens seeds is crucial for successful cultivation and a bountiful harvest. Healthy, top-quality seeds stored properly are the foundation of the entire growing process, from germination to producing viable microgreens or sprouts. When it comes to storing microgreens seeds, three key factors come into play:

  •  temperature,
  •  humidity,
  •  and exposure to light.


Let's get into each one to see what the ideal conditions are for keeping our seeds in tip-top shape.



Maintaining a consistently cool temperature is crucial for seed storage. To maintain seed quality, aim for a cool environment, and ideal conditions are temperatures between 5 and 13 degrees Celsius. However, less sensitive varieties can be stored in a dry, shaded spot at up to 20 degrees Celsius for about a year. In addition, it is important to pay attention to the specific storage instructions for each seed variety.

For example, some varieties, such as Perilla Red Shiso, can lose quality more quickly, usually within 3 to 4 months, if stored at temperatures higher than 10 degrees Celsius. Varieties such as Mustard Red Giant, Mizuna Red Frills and Mustard Radd are best stored at 5-13 degrees Celsius, and otherwise they can lose their value in as little as a month.



Maintaining proper humidity levels, ideally between 19% to 27%, is crucial. Keep the seed processing area dry to prevent moisture buildup, which can lead to mold growth.

Remember, even a tiny bit of water can spell trouble, promoting mold 🦠 or bacterial growth and shortening seed shelf life. So, always keep those seeds dry and humidity levels in check to preserve their quality and viability.



Now, let's discuss the significance of minimizing light exposure when storing microgreens seeds. While light is essential for seed germination, prolonged exposure can have detrimental effects on stored seeds. To protect your seeds, opt for a dark, opaque container that shields them from light.

Excessive light exposure can accelerate aging and diminish seed viability. Therefore, it's crucial to keep your seeds in darkness to maintain their health and ensure they're primed for sprouting when you're ready.🌑


After this part of the article, already know that by storing seeds in a cool, dry place and away from light, you can be sure they will remain healthy and ready to grow when you need them.💪


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2. Where's the best place to store microgreens seeds?

Well, there isn't a single ideal location for storing microgreens seeds. It could be a utility room, garage, or even a basement. What matters most is creating the right environment for them. Keep in mind that the room should be:

  • cool,
  • dark,
  • and dry. 

When it comes to temperature, it's crucial to avoid fluctuations in the storage area. Additionally, storing the seeds in an airtight container or bag is advisable to minimize exposure to moisture and oxygen.


❗It's also essential to organize your seeds properly. Be sure to label your storage container with the variety name, expiration date, and variety number. This helps you keep track of your seeds and ensures you use them before they expire.🏷️

Under such conditions, your seeds for peas, radishes, and other varieties can patiently await their turn and yield a plentiful harvest.🌾🍅🥕


Radish Rose Microgreens Seeds⬇️



3. How long can you store seeds for microgreens?

Have you recently purchased seeds for your next crop or as a backup and are unsure if they will be suitable for later planting? Let us explain. Half of the success lies in how you store them. Well-stored microgreens seeds can remain viable for one to three years, depending on the type. Following the recommendations mentioned in the previous paragraphs is crucial. However, that's not all. The viability of microgreens seeds depends on several factors:

  • Varieties: Different microgreens varieties have different viability.
  • Age: How long the seeds are stored affects their germination capacity.
  • Storage conditions: Proper storage is crucial to maintaining seed viability, as unsuitable conditions can hinder germination.


In addition to these factors, the quality of the seeds at the time of purchase also plays a significant role in determining their viability over time.🌾


So, before you even select a seed, be sure to scrutinize the supplier carefully, ensuring that the seeds undergo thorough testing and verification. If you're still uncertain about what criteria to consider and how to evaluate them, we recommend reading our article, where we've compiled all the essential points for choosing a seed supplier.⬇️


👉📚How to choose the best seeds supplier? 10 Reasons Why MP SEEDS? 


 4. Do microgreens seeds have an expiration date?🤔

Seeds do not have a standard expiration date like packaged foods, but their lifespan decreases over time. The lifespan of seeds varies depending on their type, storage conditions, and packaging. While there may be a “packaged for” year on paper packages, this is not an expiration date, but rather an indication of when the seeds were packaged. Proper storage, such as in a cool, dark place or even in the refrigerator, can extend the life of seeds.

Here is an overview of how long seeds of different types can typically be stored:


Keep in mind that these are estimates, and time can depend on many factors. Nonetheless, we do not recommend storing seeds for very long periods of time, as you can never be sure if they will produce the same yield as fresh seeds. Moreover, keep in mind that the best way to check if the seeds are still viable is to perform a germination test.🌱✅


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5. Can you freeze microgreens seeds?

Storing microgreens seeds in the freezer 🥶 is not recommended. Some varieties may require low temperatures, and it will actually be beneficial to store them in a refrigerator, but not in a freezer.❄️ Freezing seeds can cause moisture to build up after thawing, potentially leading to damage and reduced viability.

Additionally, thawing and refreezing seeds can further degrade their quality. It is best to store microgreens seeds in a cool, dark place with low humidity, and here a refrigerator is definitely a better option.


In conclusion, proper seed storage is essential for successfully growing microgreens.👩‍🌾 By controlling

  • temperature,
  • humidity
  • and light exposure,

enthusiasts can safeguard the viability of their seeds and maximize their harvest potential.🌿

❗Remember to periodically conduct germination tests and source seeds from reputable suppliers to ensure optimal results. By paying attention to seed storage practices, microgreens growers can embark on their journey with confidence, knowing that their seeds are prepared to grow and abound.

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