How to Store Weed Seeds? – Best Methods to Keep Your Seeds Fresh and Alive

If you have gotten your hands on some quality marijuana seeds, you will need to know how to store them in order to preserve them for future use. Seeds are viable for a limited period of time and need to be stored properly.

The purpose of this article is to provide information about how to store weed seeds. Storing hemp seeds can be a tricky and frustrating experience. This article will provide information about how to store weed seeds, some ways to keep them germaine, and some ways to keep them healthy.

Tips for Storing Cannabis Seeds


You have got your hands on a bag of weed seeds, and now you are wondering how to store them so they can be stored for later use. Here are a few tips on how to store weed seeds.

Avoid heat

Heat is the biggest enemy of weed semen. Avoid storing them in places where there is excess heat. Heat will kill the seeds, and they will end up being nothing but a pile of brown goo.

Avoid moisture

Moisture is also another big enemy of weed seeds. If you were to store them in a moist environment, the seeds would swell up, and they will eventually burst open. The semen will then go from being viable seed to being just an organic pile of matter.

Avoid freezing

Weed seeds can withstand a certain amount of cold, but if you were to freeze them for too long, they would probably be dead.

Avoid light

If you are storing the seeds in a plastic bag, make sure you put them in the dark. Light can also be detrimental to the semen, and they can die if they are left in the light for too long.

Use airtight containers

If you are going to store the weed seeds for a long time, you will need to put them in airtight containers. If you are going to store them for a short time, you don’t necessarily have to use airtight containers, but they are recommended.

Factors to Consider When Storing Flower Seeds

Do Cannabis seeds go bad

Marijuana seeds are a very valuable commodity and should be treated as such. It is important to know how to take care of them so you can make sure that you will be able to get the most out of them and have a healthy and long-lasting supply of marijuana seeds.

Marijuana seed storage can be a highly confusing topic. Many growers have no idea how to store weed seeds properly. Let’s clear up the confusion.

1. Type of container – Soil or Plastic?

The most common seed storage containers are jars, ziplock bags, and film canisters. All of these methods are fine, but they all have their pros and cons.

Plastic bags

The pros of using plastic bags are that they are super cheap and made from durable plastic that lasts a long time. The cons are that they are not resealable, and they can be difficult to label. Since you can’t reseal the bags, you have to make sure you use a permanent marker to label the bags.

Also, you can’t use any oil-based inks because they will leach into the seeds. If you want to use oil-based inks, you should use a marker that has wax-based ink.

Glass jars

The pros to using glass jars are that they are the best way to separate your seeds and protect them from moisture and humidity. The cons – they are breakable and tend to be more expensive than plastic bags, and they can be heavy to ship since they are glass.

Plastic film canisters

The pros of using plastic film canisters are that they are resealable and lightweight, while the cons are that they can be expensive to buy and are not as durable as plastic bags.

2. Storage conditions

The most important thing to remember when storing your semen is that you need to keep them in the dark, cool, and dry place. Moisture is the number one enemy of cannabis seeds. If the seeds get wet, they will rot and grow mold, which is a surefire way to kill your chances of success.


Light can fade pigments of cannabis seeds. I recommend storing your semen in a dark area or in an opaque container. Cannabis seeds must be stored in total darkness, so you’ll want to choose a storage spot that is completely dark.


The ideal temp for store seeds is between 40 and 50 degrees F. Seeds that are exposed to extreme temperature fluctuations are not going to be viable.

The main objective of storing marijuana seeds is to maintain optimum conditions for germination, which means a temperature between 64°F to 75°F (18°C to 24°C). Each variety of cannabis has its own ideal temperature range, and this range will also vary depending on the number of seeds you decide to store.


This one is pretty self-explanatory, but it is important to store your semen in a dry area so that they won’t get moisture on them. The humidity level in the storage environment must be kept between 50% to 75% relative humidity. This will prevent your marijuana seeds from drying out.

Too much humidity can cause mold to develop on your semen. Mold will quickly destroy your seeds. Also, most cannabis seeds are coated in a thin film of oil to protect them from moisture. Too much humidity can remove this protective film.

3. Air circulation

You also want to make sure that the air inside your storage container is circulating, or else the temperature inside will quickly heat up.

Now that you know the main factors to consider when storing cannabis seeds let’s go over the three best seed storage options for you.

Ways of Cannabis Seed Storage

Green Cannabis seeds

There are lots of ways to store marijuana seeds, but if you want to keep them viable for a long time, then you need to pay attention to the following. If you don’t, then you could end up with a lot of dead seeds. So make sure that you follow the guidelines below.

1. The refrigerator

The weed fridge is a great place to store your cannabis seeds, but you do have to make sure that it is set at the proper temperature. You’ll want to make sure that your semen is stored in a childproof container and that the container itself is sealed shut.

The container should also be opaque so that no light can get inside and damage your seeds.

2. The freezer

A freezer is a great place to store cannabis seeds, although it is not ideal for preserving their viability. Seeds stored in a freezer can maintain their viability for up to a year. However, for the best results, it is recommended that the semen are stored at a temperature of -5°C or lower. The only viable alternative is to use a cooler with dry ice and temperature control equipment.

3. Mason jar

You can also store your seeds in a mason jar using the proper ratio of water and standard potting soil. The mason jar should then be placed in a dark and cool environment.

4. Plastic bags

Plastic bags are great because they are cheap and can be used to store all types of seeds, whether you are talking about cannabis seeds or regular ones. They are also pretty airtight, so you don’t have to worry about your seeds drying out.

5. Storage boxes

If you want to store your seeds for a long time, you will need an airtight container. There are a lot of different airtight containers you can use to store your semen, but the best is an airtight storage box. If you live in a humid place, you can use silica gel packets inside the airtight storage box to absorb the moisture. This will ensure that your seeds stay dry and don’t mold.

How Long Can You Store Cannabis Seeds?

Cannabis seeds can be stored for a long time without losing their germinating power. It is said that they can be kept for at least 25 years, although in practice, they are difficult to keep for such a long time.

Typically, the shelf life of cannabis seeds is between 2 and 5 years. If you want your cannabis semen to stay viable for a longer period of time, you should keep them in a fridge, in a sealed container.


There are many different methods for storing marijuana seeds, but the basic principles remain the same. The main goal of seed storage is to keep your marijuana seeds dry, cool, and in a dark place. This is the best way to keep your seeds in excellent condition for germination.

Now that you know these seed storage options, you have no excuse for not properly storing your cannabis seeds. Choose the best way to store cannabis seeds for you among the ones described above to keep your semen healthy. Just remember the main factors to consider when storing your seeds, and you’ll be good to go.

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