What Do Weed Seeds Look Like

Learning how to germinate cannabis seeds is the first step to growing marijuana, but it's not as easy as many aspiring cultivators think. How to Tell if a Cannabis Seed is Good Got a cannabis seed, but you’re not sure if it’s any good? No worries. By the end of this article you’ll know everything you need to get started. The

How To Germinate Cannabis Seeds

Cultivating cannabis from a seed is not as easy as many beginner growers might think. Various factors are involved which will ultimately determine if the cultivator is successful and has a large harvest, or if they fail and have to go back to the drawing board. Learning how to germinate cannabis seeds is the first step to becoming a cultivator.

Some cannabis cultivators prefer to start with cannabis clones versus marijuana seeds. Each route has its own advantages, however, seeds are typically easier to acquire than clones. While clones and seeds will both do the trick, seeds also seem to be a more popular route in many areas.

It’s worth noting that purchasing cannabis seeds online is illegal and often results in less than desirable seeds being acquired by the buyer. Look for legal cannabis seed options in your area. Many reputable licensed cannabis dispensaries sell cannabis seeds, with strain options varying.

How Do You Know If A Cannabis Seed Is Viable?

If you consume cannabis long enough, chances are you will come across a seed in your cannabis flower. Whether you want to try to germinate the seed immediately, or save it for down the road, it is important that you know if the cannabis seed is viable to be germinated or not.

Viable cannabis seeds tend to have a darker color with shades of grey, black, and/or brown. A really good cannabis seed will typically have a ‘tiger stripe’ across it. Another way to tell if a cannabis seed is viable is by touching it (make sure to wear gloves when handling cannabis seeds). A quality seed should withstand a bit of a pinch. If the seed collapses under a little pressure, then it wasn’t viable.

How Do You Germinate Cannabis Seeds?

Germinating marijuana seeds is not difficult, although it does take attention to detail and the right environment. Successful germination takes the right amount of moisture, the right temperature, and a decent amount of light (sunlight or artificial light from low-intensity grow lights).

Arguably the easiest and most cost-effective way to germinate a cannabis seed is to place it between wet paper towels (often referred to as “the paper towel germination method”). Add a bit of water to the paper towels and squeeze out the excess water.

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You want the paper towels to be moist but not dripping water. Place the seed(s) between the moist paper towels, place the paper towels in a sandwich bag to lock in the moisture, and put it on a window ledge where it will get some but not too much light. Keep the paper towels moist until the germinated cannabis seeds are ready to transplant.

If the temperature of the room is too cold (below 55 degrees Fahrenheit), consider using a heating mat, which can be found at most department stores in the gardening section. The success rate of the paper towel method is high as long as the cultivator keeps a close eye on the process until the germinated seed is ready to be transplanted into potting soil, peat pellets, or a different growing medium.

Various products such as “rapid rooters” can be incorporated into germination strategies, however, they are not as cost-effective as the paper towel method.

When Is The Seed Ready To Be Transplanted?

Watching a cannabis seed germinate can be a lot like waiting for water to boil — it takes time (typically a couple of weeks). The seeds will eventually crack open and a white root will shoot out of the cracked cannabis seed shell. The white root is often referred to as the taproot. Once your sprouting seed has a strong taproot (an inch or so) it is ready to be transplanted.

Find a two-inch container for your grow space, fill it full of soil (or your preferred growing medium), and poke a hole where the seed will be placed. Using tweezers, place the seed with the taproot facing down in the hole. Then, cover it with soil.

From there, you can grow the cannabis seed into a large cannabis plant. One downfall to cultivating cannabis from seed is that you won’t know if the marijuana plants are male or female for several weeks. If the young plant proves to be male, then it is basically useless. Using feminized cannabis seeds is a good way to ensure that the plants are not males, saving you quite a bit of time and headache.

Continuing Your Education

Cultivating cannabis is a never-ending educational journey. Even the most experienced cannabis cultivators will be quick to tell you that they are always learning and seeking out cultivation information.

A great way to learn more about the cannabis cultivation process from seed to harvest is via Green Flower’s Cannabis Cultivation Certificate Program. The program is led by true cultivation experts and involves insightful course materials. If you are looking to increase your cultivation knowledge this is a great way to do it!

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How to Tell if a Cannabis Seed is Good

Got a cannabis seed, but you’re not sure if it’s any good? No worries. By the end of this article you’ll know everything you need to get started.

The legality of growing cannabis varies depending on where you live in the world. Know your laws.

What to Look for in a Healthy Cannabis Seed:

You can tell a lot about a seed’s health just by looking at it. Here are a few different things you should look for when deciding if a cannabis seed is good or not.

  • Darkened Color – Good cannabis seeds will be brown, black, and/or gray. White or green seeds are immature and unlikely to sprout. Your seed should also have stripes or spots all the way around.
  • Waxy Coating – A healthy seed will have a thin waxy coating around it. This coating should appear to have a slight sheen to it.
  • Hard Shell – You should be able to lightly squeeze a seed without it crushing. If a seed crushes easily between your fingers then the seed is likely dead or weak and will not grow well.
  • No Cracks – Inspect the entire seed to make sure there aren’t any small crack or holes. This will most likely cause the seed not to sprout.

Ways To Test Cannabis Seeds

Now that I’ve gone over a basic guide for what to look for I’ll give you a couple of ways that you can test your seeds.

Test Method #1: Floating Seeds in Water

This is a great test that works for many different seeds – not just cannabis. Take your seeds and drop them in a cup full of warm (not too hot) water then wait a couple of hours. If they sink then they’re probably good to go. If they won’t sink then they are probably dead and won’t grow.

Note: Only do this if you’re ready to germinate your plants. Otherwise, it could harm your seed. I cover germination in a later section.

Test Method #2: Just Go Ahead and Try to Germinate the Seed

I know this seems obvious, but it really is the best information I really could give. If you really want to know if a cannabis seed is able to germinate then go ahead and try germinating it – what do you really have to lose? Not quite sure how to germinate a seed? No worries. Here’s a quick guide:

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How to Germinate a Cannabis Seed

Germinating a seed simply means getting the plant to sprout from the seed. It’s the first step in your cannabis seed’s journey to a full grown plant. There are several ways to go about this.

One way is to simply plant it in your soil and see if a plant pops up. It’s old school, but no one can deny its simplicity. Plant the seed about 1/4″ deep and wait.

Another way is to put the seeds on a damp paper towel. Make sure the paper towel is damp, but not soaking wet. If it dries out you can add a few drops of water to the paper towel. Leave the paper towel in a dark place. The amount of time is going to vary among strains. Some may take only 2 days while others could take longer. Continue to check them once a day.

How to Tell if a Cannabis Seed is Male or Female

Unfortunately, there is no way to know if a cannabis seed is going to be male or female simply by looking at it or doing a simple test. This is a bummer since most people don’t want male cannabis plants in their garden.

If you want feminized seeds then you’ll have to buy them from a reputable seed bank. Make sure they say feminized – if they don’t say it then they probably aren’t.

If all you’ve got is a bag seed then the only way to find out if it’s going to be male or female is to grow it.

Can My Cannabis Seed Go Bad / Expire?

The short answer is yes, but if you store your seeds properly they can stay viable for years and years. Moisture, UV degradation, and extreme temperatures could all affect the quality of your seeds.

If you plan to store your seeds for a long period of time make sure to keep them in an airtight container in a dark area. Ideally, seeds should be stored in a climate controlled area (like inside your house instead of in a shed or garage. One study showed laboratory-sealed cannabis seeds were still viable after 19 years.

Conclusion

It’s nice to know what to look for, but in the end the best test is just to put it in soil. If you’re using bag seeds then you never really know what you’re getting anyways. If you’ve bought your seeds from a legitimate seed bank then you shouldn’t have to worry about it.