How To Tell If Cannabis Seeds Are Bad

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How to Tell if Cannabis Seeds are Good or Bad Ultimately, you can use the senses of sight, feel, taste and smell to determine whether cannabis seeds are good or bad. You want to make sure you Find out how to tell if your cannabis seed will be a winner or a flop. Here is how to distinguish between high-quality and low-quality seeds. Bad cannabis seeds can ruin an entire grow. Here's how to spot them early and save yourself a whole lot of time and effort.

How to Tell if Cannabis Seeds are Good or Bad

Ultimately, you can use the senses of sight, feel, taste and smell to determine whether cannabis seeds are good or bad. You want to make sure you don’t have seeds that have been hastily processed, or damaged for some other reason. Or how about some bluzu those are also great seeds that can do what all other seeds can.

To find out if you have duds (seeds with a low germination rate that will never be ready to plant) or winners, whether you have seeds that will actually sprout or remain permanently dormant, apply these senses to your investigation.

Use a Magnifying Glass to Give the Sight Test

  • The best seeds are big and fat with a rounded shape
  • The rounder and fatter, the better likelihood that they will sprout.
  • The biggest and the chunkiest seeds are the best. They are well fleshed out. The surface should be glossy and hard, with a slight sheen.
  • They are dark in colour (usually brown, black or grey). If they are light, white, or pale green, they were harvested way too early and they are probably immature, not good, and unlikely to sprout.
  • If they are pale and dusty they are probably old. The older they are, the slower they will germinate.
  • The darker the colour, the more likely they are to grow and produce more weed. The dark shell means they came from better quality weed.
  • There is a caveat, however. If they are too dark—deep purplish, that means they’ve been dyed and that’s not good.
  • Also, beware if you see a white dusty powder on the bud—that is fungus—powdered mildew.

One key as to whether you own healthy cannabis seeds is to look at whether they have slightly lighter stripes. Good seeds are dark with lighter stripes or brown or black spots all the way around. Often, the healthy ones have stripes that resemble lightning, or have a tiger stripe appearance, and a distinctive colour pattern. Take your magnifying glass and look at the stem. If it is furry, that means there is mould from too much moisture—probably because it was bagged too early.There are so many different seeds, bruce banner seed is just one that will do the trick and help you in the long run.

That being said, however, you cannot always judge a seed by its color alone. It can look fantastic, but you need to know what is inside. If you crack a seed open and it is oily and has a musty taste, it is going bad. If it is black inside, that means it’s fermenting and won’t germinate. If you crush it in your hands and you smell salt, it’s unflushed. If the bud is flushed, it means the roots are absorbing salt and nutrients.

Once you have separated the good seeds from the bad via the sight test, touch and feel your seeds as you continue your investigation .

The Touch Test

Lightly squeeze a seed without crushing it. If it crushes easily, it probably will not grow well. As you feel it, there should be no small cracks or holes. If they have small cracks or holes, they probably will not sprout. They should not be crinkled or cracked. If they’re not cracked, you know they are intact. If it holds up under the feel test, it will survive the germinating process.

The Float Test

Good quality seeds will sink – so apply the float test. (Note that you should only do this when ready to germinate). Put them in a cup of warm, distilled water for two hours. If they sink, they’re good. If they float, they are premature, and they probably won’t grow and so are unusable. Healthy seeds are heavy enough to sink.

If you think you have good quality cannabis seeds that have fully matured (that would be seeds with a growth rate of 85%), and are pretty sure you have a great batch of high-quality seeds that are not immature or damaged by the environment, but you’re still saying to yourself, “How do I know for sure I’m going to get a good yield?”, try germinating them.

The last resort test is to just plant it and see if it grows. The ideal temperature is 75 degrees. Good seeds should push up in three to six days. If you don’t want to plant them, you might want to use the paper towel method. Put them in a damp paper towel between two plates, keep the humidity high, and wait two days.

Why your Cannabis Seeds Haven’t Germinated?

If you have been unlucky and some or all of your cannabis seeds haven’t germinated, there is usually an easily identifiable reason. Germination isn’t just about your seed cracking and a taproot appearing, it’s about the transition of a seed into a very small but viable cannabis plant. So let’s start at the beginning.

How long did you soak your seeds in the water?

Did they sink to the bottom of the glass before transferring them to the moist paper towel? Seeds that are still floating are unlikely to have absorbed sufficient water to successfully germinate. If you leave your seeds in water for too long the taproot will not form and the germination process will grind to a halt. Once you have transferred your seeds do the damp paper towel over the next few days.

Did you ever let any parts or all of the paper towels dry out?

At the earliest stages of germination, the smallest of errors can have major consequences. Similarly, the paper towel mustn’t be steeped in water. The taproot grows naturally as it searches for water. If it’s too easy to find it just won’t grow if your water has loads of additives such as copper and chlorine this can poison your plants while handling the seeds with dirty hands can also poison them.

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Make sure you either wash your hands with a non-toxic soap wear latex gloves or use tweezers. The next thing to check is the temperature of the seeds. The optimum temperature to keep them good for germination is between 70 and 90 degrees Fahrenheit or 20 to 21 degrees Celsius. If the seeds are too cold they just won’t germinate even. If everything else is perfect.

The owners and members of the Cannabis Clubs claim: “The roots of the plants don’t like light and the same applies to the taproot and subsequent roots that will develop when your seeds germinate. Almost total darkness is ideal for germinating seeds even though.”

It is hopeless for growing seedlings it is interesting to note that it is certain wavelengths of light that affect germination and it is the blue length that tends to corrupt germination, while red wavelength promotes germination. You will also have to take into account when you bought your seeds. While cannabis seeds can remain viable for a large number of years if stored in perfect conditions. They can be ruined in a couple of weeks if not stored correctly.

Finally and unfortunately it is a fact of Mother Nature that not all seeds will germinate. Some will be duds and this is out of our control.

How To Tell If Cannabis Seeds Are Bad

Published: June 28th, 2019
Categories: Cannabis Info

If you want to grow great cannabis, you gotta have great seeds! Start your grow with poor seeds, and not only will you miss out on that top-tier harvest, but you’ll have wasted a lot of crucial time and energy. Given how important the distinction is between seeds of high and low quality, it’s vital you know how to tell the good ones from the bad. So, just how do you recognise a high-quality seed?

WHY IT MATTERS WHERE YOU SOURCE YOUR CANNABIS SEEDS

Before we offer our tips on distinguishing the winners from the duds, you should know that where you source your seeds is probably the most important variable in your entire grow. The best case scenario is to source your seeds from a legal, reputable seedbank. If you buy from industry leaders like Zativo, not only will you know that your seeds will germinate, but you’ll be able to view information about strain characteristics such as flowering time, height, and effect once smoked.

On the other hand, not all would-be cannabis cultivators have access to seeds of this calibre. It is not uncommon for smokers to receive a seed (or several) in the bag their dealer threw at them before racing away with a wad of cash. Here is why planting these seeds is probably not a good idea.

To start, the fact that your dealer sold you seedy weed immediately points to issues in quality and processing. It’s likely your weed was accidentally pollinated by a male, otherwise it shouldn’t have any seeds at all.

Moreover, these seeds likely won’t germinate as they will be immature or of poor quality in general. Weak genetics means your mature plant and final yield are bound to suffer, no matter how great of a grower you are. And unlike seeds sourced from seedbanks, you’ll have no way of really knowing what you’re about to grow. Any seed company worth its salt will guarantee germination rates well into the 90% range; bagseed, on the other hand, all comes down to chance.

HOW TO SPOT QUALITY SEEDS

Regardless of where you source your seeds, once you get your hands on some, how can you ascertain their quality? Here’s what to look out for:

Just by glancing over your seeds, you can already get a fairly good idea of their quality. Colour is probably the first thing you will notice, with healthy seeds normally having a darker shell. High-quality seeds may also have some natural “tiger stripes” or speckles, and can range between dark brown, grey, and almost black.

On the contrary, immature seeds literally pale in comparison, with green or light-grey-coloured shells. Some almost appear ivory white. If your seeds look anything like this, it is likely they will not germinate. Even if you’re able to germinate some immature seeds, it will take much longer, and your cannabis plants will probably not turn out as great.

Good seeds will normally have a shiny coat as well. To verify this, bring your seeds under a light. You should see a glistening, shiny effect on the shell that makes your seeds look like tiny pearls or marbles. If your seeds have a rough or dull appearance, they are normally of lesser quality.

• Hard and smooth surface

Good seeds should be quite resilient and firm to the touch. You can test your seeds by taking one between two fingers and giving it a slight squeeze. Under normal duress, the shell of the seed shouldn’t crumble, break, or bend. If the shell doesn’t feel solid, but instead easily breaks or feels soft to the touch, it is old and will probably not germinate. Likewise, if the shell isn’t smooth and shiny, but instead has cracks and holes, the seeds are probably bad as well.

HOW TO TEST YOUR SEEDS FOR QUALITY AND GERMINATION RATE

If you’re still unsure if your seeds are duds or not, or if you’re ready to just get started with your grow, you can always go ahead and get germinating! Checking their appearance is one thing, but these tests will tell you if your seeds actually pop or not.

• The water glass float test

A classic! The float test isn’t exactly rocket science, but it yields consistent results. Here is how to do it:

1. Fill a glass or jar with bottled or distilled water. Clean tap water also works.

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2. Put your seeds in the glass with the water. There are only two outcomes for your test: sink, or float. Those that hit the bottom of the glass are likely of good quality, while those that remain afloat are probably not going to germinate or be all-star performers.

3. Now it’s time to wait; give your seeds at least two hours before coming to a conclusion about their quality. The reason for this is that good-quality seeds with a more resistant shell can take a while to soak up the water, causing them to float for a short while at first. So make sure to be patient when performing this test—you don’t want to act too soon and toss out otherwise healthy seeds!

Important tip: Only do the float test once you’re ready to plant your seeds. Once they’ve soaked in water, you can’t put them back in storage. You need to germinate them. So, if you have a whole bunch of seeds, only test as many as you can actually germinate and grow.

• The ultimate test: just plant your seeds

Maybe you don’t feel the need to do any testing, instead throwing caution to the wind in hopes that your seed will sprout. In this case, you can go ahead and plant your seeds in soil and wait to see a tiny stalk of green appear. High-quality seeds like those from Zativo will likely germinate in 2–3 days this way. Some strains, such as certain sativas, could take a bit longer, up to 7 days depending on the strain. But the bottom line here is that quality seeds will pretty much always germinate. Planting them in soil and seeing them break through the surface is a good sign you have some quality seeds on your hands!

HOW LONG CAN YOU KEEP CANNABIS SEEDS?

If you’re like most hobby growers, you may at some point end up with more seeds than you can actually grow at one time. As such, longer-term storage becomes a priority. But how long can you even store them? Do cannabis seeds go bad?

Stored properly, you can keep cannabis seeds viable for a very long time. However, moisture, exposure to light, and high temperatures could spoil your seeds and shorten their period of viability significantly. If you buy from a good seed company, your seeds will often come in a vial with a lid that also contains desiccant; this way, your seeds can stay good for a long time. To properly store your seeds, it’s best to keep them in a dark and cool place, such as a cupboard. In this setting, seeds can potentially stay viable for years.

CAN YOU TELL THE SEX OF YOUR SEED?

Another disadvantage of getting seeds from an unreliable source is that you won’t know their sex. Most growers, unless they need males for breeding purposes, will immediately toss out any males after identifying them to prevent pollination of females. This issue can be avoided entirely by purchasing feminized seeds from a reputable provider. These seeds will, of course, only sprout females, which is what you want. But if you obtained a mystery bag of seed, there is unfortunately no way to tell outright if your seeds are male or female.

How to Spot Bad Cannabis Seeds [Comprehensive Guide]

You may not realize it, but the quality of your cannabis crop is, in part, determined before you have even begun. Seed quality is an enormous part of growing, so it’s vital to source marijuana seeds from a reputable company.

Sometimes, you can end up with ‘bad’ cannabis seeds that will cause problems later down the line. In some cases, these seeds just won’t germinate. Although this won’t ruin your entire crop, it is a waste of time and money, which can be frustrating.

Today, we will help you work out whether your cannabis seeds are good or bad. Hopefully, this guide will help you to determine which seeds are worthy of your time and which ones are duds.

EDITOR’S CHOICE – Homegrown CannabisCo

Homegrown CannabisCo are the masters when it comes to seeds. Offering a massive variety of cannabis seeds that are well categorized, not only does this company create a resource for superb quality options including feminized seeds, it also provides extensive growing information for those looking for some support along their journey.

What Makes a Cannabis Seed ‘Bad’?

A ‘bad seed’ is any cannabis seed that will cause problems. In some instances, this means a dud seed that never sprouts, wasting your valuable time and a few resources. While dud seeds aren’t damaging, they are irritating.

Another type of bad seeds is male cannabis plants. There’s a 50/50 chance with regular seeds as to whether any given seed is male or female. The problem is that male plants will pollinate the females once they reach maturity, destroying the valuable THC content of female plants.

Having male cannabis plants in your garden is basically a recipe for disaster, so you want to avoid it at all costs. By the way, here’s how to figure out if your plants are male or female.

One way around this is to purchase feminized marijuana seeds. In theory, all seeds in a feminized bunch will be female – unless you buy from a disreputable grower. Unfortunately, there’s no way to tell whether a plant is male or female simply based on the seeds.

This guide will only cover how to tell the difference between a potent seed and a dud seed.

The complete guide…

How to Test Cannabis Seeds

There are several easy methods for testing cannabis seeds. Most of them can be performed before germination, saving you some time and resources. Let’s find out how to check your seeds.

Method #1: The Sight Test

Cannabis seeds are surprisingly beautiful. They have a mottled brown appearance with patches of light and dark, and sometimes gorgeous tiger stripes. The seeds are also quite shiny if you view them close enough.

Sometimes, you can tell if a seed is good or bad just by looking at it. Here’s how to spot a healthy seed:

  • Coloration: A dark coloration with black or gray patches is a sign of a healthy seed. Conversely, white or green seeds are unlikely to germinate because they are not mature. Pale seeds are also more likely to be old and ineffective.
  • Waxy coating: Healthy seeds have a waxy, shiny coating. If it doesn’t, then the seed is likely a dud
  • Cracks: Cannabis seeds should not be cracked. If your seed has cracks in it, it’s probably best to discard it.
  • Shape: The rounder and fatter the seed, the more likely it is to sprout into a healthy plant. Some growers are concerned about large seeds with thick shells but don’t worry. The shell will break down with water.
  • Mildew: Grab a magnifying glass and view the seeds close up. A white, dusty powder is a sign of powdered mildew, which means the seeds have a fungus and should not be planted.
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In some instances, you can crack the seed open and see inside if you can’t tell anything from the outer shell. An oily inside with a musty smell means that the seed has gone bad. Similarly, black inside the seed means that it’s fermenting. Again, it won’t germinate in this instance.

Method #2: The Touch Test

The feel of cannabis seeds is another good indicator. Hold the seed between your thumb and forefinger and give it a light squeeze. Don’t apply too much pressure – just enough to test its integrity.

If the seed cracks under slight pressure, then it’s unusable. It’s likely to be past its sell-by date.

Strong seeds, however, have a better chance of germinating and growing into a healthy plant.

Method #3: The Water Test

Are you still unsure about your cannabis seeds? You can always do a floating test to see if they’re healthy. By the way, this method works for numerous plant seeds and not just cannabis.

Disclaimer: Don’t perform this test unless you’re ready to germinate the plants right away. The water could damage the seed and ruin a perfectly healthy plant if you dry it out afterward.

For this test, you will need a cup, glass, or bowl of warm water. It should be quite warm, but not hot. It also works best with spring water or distilled water.

Add your seeds to the water, and then wait for 1-2 hours. Those that float on the surface are bad seeds that are unlikely to grow, whereas the seeds that sink are probably healthy.

This method is a great way to check your seeds because it’s low effort. You can also test multiple seeds at once, and it’s really cheap and easy to do.

After you’ve done this test, you need to germinate the healthy seeds. At this point, they will have absorbed water, which can damage the seed if you don’t germinate it at this point. Incidentally, germination is the final test for your seeds.

Method #4: The Germination Test

If all else fails, it’s time to germinate. You might have no idea whether your seeds are healthy but attempting to grow them is an easy final test that will separate good seeds from duds.

There are multiple ways to germinate, including planting the seed directly in soil and seeing if it sprouts. This is a pretty ‘old-school’ method, but sometimes, it works.

More commonly, growers use the paper towel method. Dampen a paper towel, ensuring it isn’t soaking wet. Place this on a kitchen plate and put the seeds on top, then put another plate upside-down on top. A moist, dark, warm environment allows the seeds to sprout. Check on the seeds once a day; after germinating, you should see a white taproot emerge.

At this point, you can transplant the seed into its pot. Use a pair of tweezers and handle each seed carefully, being careful not to touch the taproot. The taproot is fragile and may break if you’re not delicate; furthermore, touching it with your hands may contaminate it.

After germination, you’re good to go. Remember to check back as the plants mature to make sure you haven’t got any male cannabis plants.

Waste not, want not!…

How to Buy Good Cannabis Seeds Every Time

It’s recommended to buy feminized cannabis seeds to eliminate the possibility of males ruining your crop. Even so, some subpar retailers will advertise feminized seeds, only to sell regular cannabis seeds.

It’s vital to buy from a reputable seller that you trust. If this is your first time, read reviews on the seed banks to find out what other customers thought. If lots of buyers were disappointed by low-quality seeds, avoid that company!

Unfortunately, you might still get some bad seeds sometimes. Plants are living beings and can be a bit unpredictable – even the seller might not be aware that some of their seeds are duds. With any luck, the majority of seeds you buy will be healthy and good to go.

The sign of a bad seller is that their seeds are consistently old, dead, and covered in powdery mildew. That said, don’t be too harsh on a seed bank if a couple of their seeds don’t work from time to time when they’re generally reliable.

Final Thoughts on Good and Bad Cannabis Seeds

Telling good and bad cannabis seeds apart is not an exact science. Sadly, you don’t know what’s inside the seed beyond its appearance, so you won’t know what the plant is truly like until you start growing it.

Cultivating marijuana is a bit of a learning curve, so don’t worry if you mess up your crop from time to time. It will only get easier with time.

Hopefully, you can now tell apart some seeds, at least, giving you more opportunities to create a successful grow.

EDITOR’S CHOICE – Homegrown CannabisCo

Homegrown CannabisCo are the masters when it comes to seeds. Offering a massive variety of cannabis seeds that are well categorized, not only does this company create a resource for superb quality options including feminized seeds, it also provides extensive growing information for those looking for some support along their journey.

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