Storing cannabis correctly: how to keep your weed and seeds fresh and potent for a long time

Cannabis richtig lagern: So bleibt dein Gras und deine Samen lange frisch und potent

Niklas Bergmann, M.A.

Biochemist, specialist author

Inhaltsverzeichnis: Storing cannabis correctly: how to keep your weed and seeds fresh and potent for a long time

Why is proper storage important?

Storing cannabis properly isn't rocket science, but there are a few important points you should keep in mind to get the most out of your weed. Here's why proper storage is so crucial.

Loss of cannabinoids due to incorrect storage

Cannabinoids are the active ingredients in your cannabis that are responsible for its effects. THC, CBD and other cannabinoids are sensitive and can be degraded if stored incorrectly. This means that your weed loses potency and no longer has the desired effect. If you simply leave your cannabis out in the open or store it in an unprotected bag, you are exposing it to unnecessary oxygen and light - two of the biggest enemies of cannabinoids.

Oxygen can oxidize the cannabinoids, leading to a breakdown of THC to CBN. CBN has less psychoactive effects than THC, which means your cannabis becomes less potent. In addition, a high concentration of oxygen can also destroy the terpenes that are responsible for the taste and aroma. This not only makes your weed weaker, but also less flavorful.

Influence of light and heat on quality

Light, especially UV rays, can break down the cannabinoids and terpenes in your cannabis. This not only leads to a loss of potency, but also impairs the taste and aroma. Heat also accelerates this process. Therefore, always store your weed in a dark, cool place. A shelf in a cupboard, away from windows or other light sources, is ideal.

UV rays break down the chemical compounds in the cannabinoids, which leads to faster degradation. Even artificial light, if strong enough, can have similar effects. Heat further accelerates these processes by making the chemical reactions happen faster. It is therefore important to store your cannabis at a consistently low temperature to protect the active ingredients.

Avoid mold and dehydration

Moisture is the number one enemy when it comes to mold growth. Too much moisture in your storage container can quickly lead to mold forming on your buds - and no one wants to smoke moldy weed. On the other hand, too little moisture can cause your buds to dry out and become brittle. This not only affects the smoking experience, but also the effect. A relative humidity of 55-62% is optimal to keep the buds fresh and potent.

Mold can not only ruin the taste and effect of your cannabis, it can also be harmful to your health. In a humid environment, mold spores can multiply quickly and contaminate your buds. On the other hand, storing the buds too dry will make them brittle and unpleasant to smoke. The trichomes, the small resin-filled glands on the flowers, can also break off, which reduces potency. With hygrometers and humidifier packs, you can monitor and regulate the humidity in your storage container to ensure ideal storage conditions.

The best methods for cannabis storage

Store in a dark and cool place

Effects of UV rays on cannabinoids

UV ra ys can break down the chemical compounds in cannabinoids and reduce their potency and effectiveness. THC and CBD in particular are sensitive to light. Exposing your cannabis to direct light can cause it to break down faster and lose its psychoactive and medicinal properties. Even brief exposure to light can cause damage, so cannabis should always be stored in dark containers or dark places.

Optimal storage temperatures for cannabis

The ideal temperature for storing cannabis is between 15-21°C. Higher temperatures can cause the terpenes to evaporate, which affects the aroma and taste of the cannabis. Heat also accelerates the breakdown of cannabinoids. Cool temperatures help to slow down these processes and maintain the quality of your cannabis over a longer period of time. However, avoid temperatures below freezing, as these can break the trichomes and damage the flowers.

Seal airtight

Advantages of glass containers over plastic bags

Glass containers are ideal for storing cannabis as they do not release chemicals that could affect the flowers. Unlike plastic bags, glass containers offer better protection from air and moisture. Plastic bags can easily be punctured and are not completely airtight, causing the cannabis to dry out or lose flavor. Glass containers, especially those with rubber seals, ensure that the cannabis stays fresh for longer.

Suitable container types for cannabis storage

In addition to glass containers, there are also special cannabis storage boxes that have been developed for long-term storage. These boxes are often equipped with airtight mechanisms and integrated hygrometers to create the perfect storage environment. Dark apothecary bottles and preserving jars are also good alternatives. It is important that the container is opaque and airtight to provide optimum protection for the flowers.

Check the humidity

Ideal humidity for storing cannabis

The perfect relative humidity for storing cannabis is between 55-62%. If the humidity is too low, the flowers dry out and become brittle, which impairs the smoking experience and destroys the active ingredients. Too high humidity, on the other hand, can promote mold growth, which makes the cannabis unusable and harmful to health.

Use of hygrometers and humidifier packs

Hygrometers are small devices that measure the humidity inside the container. They are essential to ensure that your cannabis is stored in the right environment. Humidifier packs, such as those from Boveda, help to keep humidity levels constant. These packs release or absorb moisture as needed, ensuring an optimal storage climate.

No plastic bags

Why plastic bags are unsuitable

Plastic bags do not provide adequate protection from light and air, two of the biggest enemies of cannabis. They can also release chemicals that affect the taste and quality of the flowers. In addition, plastic bags are prone to tears and holes, which increases the risk of air and moisture contact. All of this means that cannabis in plastic bags dries out faster and loses its potency.

Alternative storage options

Instead of plastic bags, glass containers, airtight storage boxes or vacuum-sealed bags should be used. These alternatives offer better protection and help to preserve the freshness and potency of your cannabis. Glass containers with rubber seals or specially designed cannabis containers are ideal for keeping out light and air.

Storingcannabis in the fridge

Risks of storing in the fridge

Storing cannabis in the refrigerator can be problematic, as the changing temperatures and humidity can increase the risk of mold growth. In addition, the trichomes, which are responsible for potency, can be damaged if they are exposed to condensed moisture. Constant temperature changes can affect the flower structure and quality.

When the refrigerator may be suitable

The refrigerator can be a good option in certain cases if the temperature and humidity can be kept constant. For example, refrigerator storage can be useful if you live in a very hot climate and no other cool storage options are available. However, it is important to store the cannabis in an airtight container to avoid condensation.

Storingcannabis in a vacuum

Advantages of vacuum storage

Storing cannabis in a vacuum has the advantage of isolating the flowers from oxygen. Oxygen can break down cannabinoids and reduce potency. By removing air, this degradation process is slowed down, keeping the flowers fresh and potent for longer. Vacuum sealed bags or containers are therefore an excellent way to store cannabis for the long term.

Suitable vacuum containers and methods

There are various methods and devices for storing cannabis in a vacuum. Vacuum sealed bags are a common option and can be used with specialized vacuum sealers. Glass containers with vacuum lids are also available. It is important that the container is sturdy and remains airtight after vacuuming. These methods ensure that your cannabis is protected from oxygen and moisture.

Storing cannabis seeds

Why the correct storage of cannabis seeds is important

Cannabisseeds are delicate and require careful storage to maintain their germination capacity. If cannabis seeds are stored incorrectly, they can lose their ability to germinate, meaning they become unusable. Proper storage ensures that the seeds are still healthy and able to germinate even after a long period of time.

Maintaining the ability to g erminate over longer periods of time

The germination capacity of cannabis seeds is crucial for successful cultivation. Seeds that are not stored correctly lose their ability to germinate and therefore their ability to produce healthy plants. To maintain germination, seeds should be kept in a cool, dark and dry place. Temperatures between 6-8°C are ideal, as this slows down cell growth and puts the seeds into a dormant state.

Avoid moisture damage and mold

Moisture is one of the biggest enemies of cannabis seeds. Too much moisture can cause the seeds to germinate prematurely or mold, making them unusable. Moisture damage can already occur if the seeds are stored in an environment with high humidity. It is therefore important to store the seeds in an airtight container that protects them from moisture. Desiccant packs that absorb moisture can help keep the environment dry and prevent mold.

Store cannabis seeds in a cool and dry place

Optimal storage temperatures for cannabis seeds

The ideal temperatures for storing cannabis seeds are between 6-8°C. These temperatures slow down cell growth and keep the seeds in an inactive state, preserving their germination capacity for longer. A refrigerator can be a suitable storage option, as long as the seeds are kept in an airtight container to avoid condensation.

Seal airtight

Cannabis seeds should always be stored in an airtight container to protect them from moisture and air. Glass containers with rubber seals or special seed storage boxes are ideal as they provide a constant, dry environment. Vacuum-sealed bags can also be a good option for keeping seeds fresh in the long term.

Avoid moisture

Avoiding moisture is crucial to prevent moisture damage and mold. Desiccant packs, which absorb moisture, can be placed in the storage container to keep the air dry. It is important to check the seeds regularly and ensure they are stored in a dry environment.

Store cannabis seeds in a cool and dry place

Optimal storage temperatures for cannabis seeds

Cannabisseeds should be stored at a temperature of 6-8°C to maintain their germination capacity. These cool temperatures slow down cell growth and keep the seeds in an inactive state, extending their shelf life.

Why 6-8°C is ideal

This temperature range is optimal because it is low enough to keep the seeds in a dormant state without the risk of frost damage. At temperatures above 8°C, the seeds can start to sweat, which creates moisture and increases the risk of mold growth. At temperatures below 6°C, there is a risk of the seeds freezing, which can impair their germination capacity.

Refrigerator as a storage location: advantages and disadvantages

A refrigerator can be a good place to store cannabis seeds as long as the temperature is kept constant. The advantage of the fridge is that it provides a stable, cool environment that is ideal for seed storage. The disadvantage, however, is that the changing humidity in the fridge can lead to condensation if the seeds are not stored in an airtight container. In addition, the seeds should not be stored near the refrigerator door to avoid temperature fluctuations.

Seal airtight

Suitable containers for cannabis seeds

Cannabis seeds should be stored in an airtight container to protect them from moisture and air. Glass containers with rubber seals are ideal as they do not allow air exchange and therefore keep the seeds dry. Special seed storage boxes, which are also airtight, are another good option. These containers also protect the seeds from pests that could enter through the smallest cracks.

Protection from moisture and pests

Airtight storage not only controls moisture, but also prevents pests from reaching the seeds. Pests such as insects can damage seeds and impair their ability to germinate. Therefore, an airtight container is doubly useful to keep out both moisture and pests.

Avoid moisture

Using desiccant packs for moisture control

Desiccant pack s are small packets that absorb moisture, keeping the air in your storage container dry. These packs are particularly useful if the seeds are stored in a refrigerator, as they can prevent condensation. It is advisable to regularly check that the desiccant packs are still active and replace them if necessary.

Tips for avoiding moisture in the storage environment

To avoid moisture in the storage environment, make sure that the seeds are stored in a dry room. Avoid damp cellars or rooms with high humidity. Store the seeds in a cupboard or drawer that is not opened frequently to minimize temperature fluctuations and changes in humidity. If you store the seeds in the fridge, make sure they are kept in an airtight container and add desiccant packs to absorb any moisture.

Conclusion: How to keep your cannabis fresh for a long time

Proper storage of cannabis, whether flower or seed, is crucial to preserving its quality, potency and freshness. By following a few simple but important steps, you can ensure that your cannabis retains its best properties over longer periods of time.

Store in a dark, cool and airtight place

For flower storage, it is important to store them in a dark, cool place to prevent the degradation of cannabinoids by UV rays and heat. Airtight containers, preferably made of glass, protect the flowers from air and moisture, which preserves their potency and aroma. Humidity control is also crucial to prevent mold growth and protect the flowers from drying out.

Differences in the storage of flowers and seeds

While flowers mainly need to be protected from light, air and moisture, cannabis seeds require special treatment to maintain their germination capacity. Seeds should be stored in a cool and dry place, ideally at temperatures between 6-8°C. A refrigerator can provide a suitable storage environment as long as the seeds are kept in airtight containers with desiccant packs to avoid condensation.

Long-term storage and quality assurance

Regardless of whether you are storing flowers or seeds, regular monitoring of storage conditions is essential. Make sure that the temperature, humidity and light conditions remain constant. Use appropriate containers and additional humidity control measures to maintain the optimal storage environment.

Tips for extending the shelf life of cannabis

  1. Use high-quality glass containers with airtight seals.
  2. Store cannabis in a cool, dark place to minimize exposure to light and heat
  3. Check humidity levels regularly and use hygrometers and humidifier packs
  4. Avoid storing in plastic bags and use vacuum-sealed bags or glass containers instead.
  5. For seeds: Use the fridge, but make sure seeds are packed airtight and protected from moisture.

With these tips and methods, you can ensure that your cannabis stays fresh, potent and ready to eat for a long time. Whether for immediate use or long-term storage, proper storage makes all the difference.



Niklas Bergmann, Fachautor

Freut euch auf die Insights von unserem Biochemiker Niklas Bergmann! Mit seinem tiefen Verständnis für alles, was mit Hanf zu tun hat, liefert er euch die neuesten und coolsten Infos direkt in euer Feed. Schnörkellos und klar verpackt er das komplexe Thema Cannabinoide und macht es für euch easy zugänglich. Mit Niklas an der Spitze unseres Wissens-Teams seid ihr immer top informiert.