Best Way To Germinate Weed Seeds Reddit

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Buy Cannabis Seeds Online

The most known methods to sprout your seeds and get your grow cycle going in no time. Just when we thought we'd seen all the weird gardening hacks … Navigating the cannabis seed market can be tricky from a legal perspective. Get the answer to your top questions about buying cannabis seeds today.

Germination Guide for Autoflowering Seeds

Seed germination is the first part of a successful grow cycle, to help you start your cannabis plants with the right foot, here’s an autoflower germination guide that can be used not only for cannabis but for tomatoes, mangos, strawberries. you name it!

Sebastian Good is talking about the best way to start your autoflower seed and germinates Strawberry Pie Auto.

So here’s how to germinate cannabis seeds with the best-known methods and a couple of tips that will get you harvesting in no time.

1. First Things First: Know the anatomy of your cannabis seed

The process of autoflower germination can take up to 10 days, in order to do everything correctly and know if everything’s going well, we need to know a little bit more about the seed. First of all, we need to understand the anatomy of a cannabis seed. The cannabis seed has a dark brown, hard, and often striped, shell, this shell is what protects the insides which are extremely fragile.

When germinating, we need to hydrate the seed, this will soften the seed’s shell and allow water to reach the embryo, when the water reaches it, the embryo will “activate” and start developing.

Have in mind that it’s possible to drown the seed, so we need to keep an eye on moisture levels, also making sure it doesn’t dry out. With a softened shell, it will be easier for the radicle to come out and this is when you’ll see the white taproot slowly appearing, and once it reaches 2-3cm, it’s time to plant it.

As soon as the seedling comes out of the medium, you’ll often see the shell stuck on top of the cotyledons, which are the tiny round leaves that you’re able to see once the shell has detached from the seedling. Those leaves are responsible for feeding the plant until the first set of true leaves appear. Also, there isn’t the best way to germinate marijuana seeds, you can do it any way you want, as long as you keep proper conditions, your seeds will germinate. So, if you’re wondering how do you germinate autoflowering seeds? Read along for the best methods.

2. The Best Conditions For Germinating Seeds

As you may know, cannabis plants need certain conditions depending on the stage they’re in, maintaining these conditions are the best way to ensure your plants will thrive, and when talking about seeds and germination, it’s no different.

Obviously, you can grow cannabis plants in less-than-ideal conditions and they will still grow but it may end up affecting the yields or quality of your harvest.

When talking about germinating auto seeds, germinating in less-than-ideal conditions will decrease the chances of sprouting, so unlike growing cannabis in bad conditions, which will still grow but can affect the harvest, germinating in bad conditions can end up killing your seeds. So when germinating autoflowers you should keep the temperature between 21-26°C and the humidity as close as 90% as you can.

3. Top Tricks For Germinating Old Seeds

As said above, germinating in the ideal conditions will guarantee successful germination but sometimes seeds may be old or have been kept in bad conditions and can be hard to germinate. So, to help you germinate old seeds, here are a couple of tricks that will increase the chances of germination. But first of all, you need to know the best conditions to avoid these problems.

How To Properly Store Seeds

If you are storing seeds for your next grow cycle, you need to keep them in ideal conditions. If you’re going to germinate them during the next couple of days there’s no need to do anything extra, other than keeping them in a cool place and in complete darkness but if you’re planning to store them for months or even years, you should keep them in the fridge.

You should keep your seeds in an airtight container in a fridge set at 6-8°C with a relative humidity of between 20-30%, if you can’t set your fridge to the temperatures mentioned, just keeping them in the fridge will increase the chances of germination. Just have in mind that the better the conditions, the longer your seeds with last.

Soak in supplemented water

As cannabis seeds get old, the shell hardens and can make it hard for the water to reach the embryo, and if the water doesn’t reach the embryo, your seeds won’t sprout so if you’re dealing with old seeds, you can soak them in supplemented water.

To do this, you can fill a glass cup with water and add around 30ml of hydrogen peroxide and leave your seeds soaking for 12hs, this should do the trick. You can also use germination boosters that you find in grow shops but usually, hydrogen peroxide works, also, make sure the water is around 22°C and it’s not getting direct sunlight.

Scarification

Scarification is a method used to make ridges on the seed to help water pass through, to do this properly, you will need a piece of sandpaper but you can improvise and do it with a matchbox. The goal is to thin out the shell so that the water can reach the embryo easily, just make sure you don’t overdo it and end up harming the embryo inside.

Slightly Open The Seed

As you may have seen, the seed is made out of two halves and has a ridge around it, if your seeds are old, that ridge may end up hardening too much and the seed won’t sprout. So to help your weed seed germinate, you can use a knife or any other tool with a thin point to gently insert it in between the ridges and slightly separate it, after this process, you can soak your water and germinate it like you normally would.

4. Paper Towel Germination Method

The paper towel method is the easiest of all methods. You’ll need :

  • 2 paper towels
  • a plastic container or plates
  • water
Step 1

Moisten the paper towels and wring them out so they’re damp but not completely wet.

Step 2

Place the seeds on the paper towel, fold it over the seeds and place it in a plastic container, cover it with the lid to keep moisture in (can also use two plates instead of the plastic container, place the paper towel on a plate and use the other one to cover).

Step 3

Place the container in a slightly warm and dark place. Remember to check on it daily, we must ensure the paper towels never dry out, the seeds need to keep absorbing moisture, it’s likely that the seeds will never germinate if they don’t. Sprinkle a little bit of water if needed, you’ll know they’re ready to be transplanted when the radicle is around 1-3cm long.

If the paper towel starts having a bad smell, it’s a sign of too much water, let it dry for a couple of days, and if the papers continue smelling bad, change the paper towels.

5. Soaking Overnight In A Glass Of Water

After many years of experimenting and looking for the best way to germinate our Fast Buds seeds, we must say that this is definitely one of the most effective ways.

This method is especially effective for seeds with a harder shell or older seeds. You’ll need:

Step 1

As the title says, grab a glass cup and fill it half with water.

Step 2

Place the seeds in the glass and leave it in a dark place, let the seeds soak for up to 32 hours.

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Step 3

Most viable seeds will sink after a couple of hours and you should see the radicle after a couple of days. Remember that some seeds may need longer until you see the radicle coming out. If they haven’t sprouted after 72 hours, add a few drops of hydrogen peroxide to kill accumulated bacteria in the water and return to the darkness for 2 more days.

6. Using A Germination Chamber

When you get a bit more experienced, you’ll wanna look for more professional tools and the germination chamber is one of them. It consists of a plastic base with small square cells (can come with up to 256 cells, each cell supports 1 seed), on top of a heat mat, also comes with a humidity dome, basically looks like a small greenhouse. They’re very cheap and you can make one at home.

The chamber can be used with any type of medium, Rockwool cubes, peat pellets, coco fiber, perlite, or even soil and they keep the best environment for sprouting seeds and the first days of the seedling.So how to germinate a marijuana seed in a germination chamber? To start germinating, make a small hole (1-2 cm) in moisten medium, cover without applying pressure, turn on the heat mat and spray the humidity dome, it should take a couple of days to see the seedling coming out.

7. Rockwool Cubes And Peat Pellets

Rockwool cubes are small cubes made of rock and sand fibers, with the consistency of cotton candy almost, they absorb a lot of water and usually are used for germinating seeds and clones. Using them along with the germinating chamber has an advantage, being easy to transplant to the next medium or container.

Rockwool and peat pellets are an easy way to germinate seeds but can be easier to overwater your seeds.

They also can be used along with clay pellets in hydroponics. One of the bad aspects of Rockwool cubes is you can easily overwater and get root rot. Peat pellets are similar to the Rockwool cubes but are made of compressed peat moss and come in a small disc shape. To germinate in either one of them, we will use the same technique explained before, moisten the Rockwool or peat pellet, make a little hole (1-2cm) and place the seed inside, cover it gently without applying pressure and you’re all done. You can place the pellet or cube directly in any type of medium or hydroponics chamber, after sprouting, the roots will continue to grow down, even if they reach the end of the Rockwool or peat pellet.

8. Planting Directly In Medium

Sometimes the simplest way is the better way. As it happens in nature, we can also sprout our seeds in our medium of your preference (coco, soil, perlite, etc..) Just grab a pencil, or even with your fingers, make a little hole (1-2cm deep), and place the seed in it, the medium must be moist but not soaking, then cover with soil without applying pressure.

Every time you transplant a seedling, it needs some time to readjust and can cause stress, thus one of the biggest benefits of this method is you don’t have to worry about damaging your seedling when transplanting or shocking it because it already is in its final place.

9. Top Tips to Improve Seed Germination

Planting the Seeds Correctly

Cannabis seeds have an oval shape with one of the ends being sharper while the other has an indent known as the crown. When germinating cannabis seeds, it’s recommended to plant the seed with the crown pointing upwards as this is the end where the cotyledons usually come out from.

Don’t Let the Substrate Dry Out

The germination process relies on moisture to activate the biological processes that provide the energy the seedling needs to break through the seed shell and start growing. This means that the more moisture absorbed, the better. Note that the keyword here is moisture, you definitely don’t want to drown your seeds. Anyway, once the seed is in the paper towels and the germination process has begun, make sure to check regularly to ensure it’s still moist, and to help with this, it’s recommended you keep it in a warm damp place.

For better germination rates, you can opt for a heating mat and/or germination chambers, but it really doesn’t matter if you’re germination your seeds in the soil, jiffy’s, Rockwool cubes, paper towels, etc… Make sure to keep the substrate moist and you will have great results.

Planting the Seed at the Right Depth

One of the bigger issues among beginner growers is planting the seed at the right depth. These problems can get worse if you are watering the substrate after the seeds are planted. Remember, burying the seed too deep can cause it to not develop while not burying deep enough can cause the taproot to over-bend and develop a weak stem, and sometimes stunt growth.

This is why we recommend burying the seed at around 2 cm deep. You can do this by using a ruler, marking the 2 cm mark on a straw, or any other utensil that allows you to do this. Then plant your seed and cover it with the substrate without pressing too hard.

Avoid Planting several Seeds in the Same Pot

Sometimes you may not have enough substrate or pots, typically, this is when you would plant multiple seeds in the same container but they usually do not develop correctly due to several reasons. Now yes, you’re saving space and substrate but you’re definitely not helping your plants thrive as first of all, the roots need enough space to grow, and germinating in the same pot can cause the roots to fight for space.

Apart from fighting for space, if all the seedlings make it to the vegetative stage, they will continue competing for light and by doing this, you will not get the most out of each plant. Lack of light can also cause the stem and branches to grow weak which can cause problems during flower so make sure to plant one seed per pot unless you’re growing in 100-200L or bigger raised beds.

10. In Conclusion

There’s no such thing as the best way to germinate marijuana seeds, a successful germination is considered when you see the first leaves, known as Cotyledons, cannabis seeds germinate correctly with relatively high temperatures and humidity. To successfully reach the flowering stage you’ll have to use different techniques, not only for sprouting but to keep the plant happy and healthy until harvest.

Whether deciding which germination method to choose or getting ready for your first successful grow setup, our advice for beginner growers will be to start with autoflowering strains. If you look for something easy, quick, and easy to maintain, like Zkittlez Auto and Gorilla Glue Auto, there’s nothing better than choosing to grow autoflowers.

first time ever growing and got some amazing colors from this strain with low temps ran it at about 58-64 for 2 weeks and got this color

The weird method Redditors are using to germinate seeds

At one point or another, every gardener has found themselves late on starting their seeds. Whether you’re a beginner at gardening or just having a year when everything has been a bit overwhelming, not planting the seeds of your favorite vegetable on time can be frustrating. That’s where Reddit comes in. Reddit gardening has taken off recently, in large part due to the discovery that you can germinate seeds in the Instant Pot (you know, that thing in your kitchen you use to make stews and rice).

The Instant Pot method

The Instant Pot method involves placing your seeds in the Instant Pot on the yogurt setting. It can be credited in large part to a scientist in Ottawa who, during the 2020 growing season, found herself unable to find seeds until it was well past time to germinate them. Now, could a regular gardener have figured this method out? Perhaps. But for scientist Lyanne Betit, this was a no-brainer.

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Thanks to her knowledge of organic chemistry, biochemistry, and gardening, Betit came up with the idea to jumpstart her seeds’ germination in the Instant Pot. She was already behind on the growing season and needed a way to speed things up. Knowing that seedlings in warmer climates can thrive in 89° to 91° F. (32 to 33 degrees Celsius), Betit knew the yogurt setting on the Instant Pot was the perfect consistent environment to encourage seed sprouting.

The Instant Pot method works best for warm weather crops like tomatoes, peppers, and cucumbers. It can be especially helpful if you’re behind on the season like Betit, or if you just want to speed up the initial germination process. For those who don’t have a lot of surface area to dedicate to germination, the Instant Pot method is perfect.

How it works

Thanks to the Reddit gardening community, we have a good idea of how this method works. You start by placing the seeds between layers of damp paper towels and putting them in a Ziploc bag. The Instant Pot is turned on and set to the yogurt setting, then the Ziploc(s) with the damp paper towels and seeds is placed inside. There are some seeds that need a slightly cooler temperature and won’t do well inside. Betit discovered you can place these seeds in a Ziploc bag on the lid of the Instant Pot instead. It’s a cooler temperature than inside but is still consistent enough for seeds to germinate.

Why is this possible?

Gardeners often germinate seeds indoors so the seedlings are a good size for transplanting when the outdoor growing season begins. Because seeds require a steady temperature within a set range to germinate and thrive, the Instant Pot provides that environment. It’s warm, void of any drafts, and is a controlled environment — similar to a greenhouse, if you will, but on a smaller scale.

Depending on the seed, the consistent environment is able to help seeds germinate from one to seven days. This method, however, isn’t recommended for cool-weather crops like the Brassica family (cabbage, cauliflower, broccoli, etc.) because the environment will be too warm for them to thrive and survive.

You can try it at home, too!

If you have an Instant Pot, try this method at home! If you’re unsure of the temperature your seeds need to germinate and the packet doesn’t say, the University of California Agriculture and Natural Resources has compiled a list of of ideal seed temperatures. To successfully execute Reddit gardening’s Instant Pot method, you’ll need:

  • Your desired seeds
  • Paper towels (dampened)
  • Ziploc bag(s)
  • Sharpie (to mark what seeds are in which bag if germinating more than one type)
  • A strainer
  • Potting containers for germinated seeds
  • An Instant Pot (but of course!)

A step-by-step guide

Starting the Instant Pot method may feel a bit weird at first, and you might not get it right the first try. Here’s a step-by-step guide you can follow to help execute it as best you can:

  1. Make small piles of four to five seeds and dampen one paper towel per pile (so, if you have three piles of seeds, you’ll need three damp paper towels).
  2. Place the seeds one inch apart on the bottom half of each paper towel, leaving room for roots to sprout.
  3. Fold the paper towel in half and place it inside the Ziploc bag. You’ll want one bag per set of seeds, making sure to label each bag with the plant type.
  4. Pour half a cup of water into the Instant Pot. The water will keep the Instant Pot from burning the bags, as well as help create a warm, humid environment for the seeds. Place the strainer inside.
  5. Set the Instant Pot to the lowest temperature possible on the yogurt setting. This should be 91° F. Set the Instant Pot for the max time available for your version, which will be anywhere from eight to 99 hours.
  6. Place the Ziploc bags into the strainer (stacking is OK!) and put the lid on the Instant Pot.
  7. Be sure to check on your seeds two times a day after the first day, as some may germinate faster than others (especially if they’ve been bought recently or have a softer coating). A majority of the seeds will germinate within a week, and you’ll know they’re ready to be transplanted to potting containers when the tiny white root sprouting from the seed is one to two inches long.
  8. Be mindful of mold. When you check on the seeds, examine the paper towels to make sure there’s nothing fuzzy growing. Because it can be taken care of in its early stages with a mix of water and hydrogen peroxide, you don’t want to let the mold get out of hand and ruin your germination.
  9. The seeds should be removed once they’ve germinated using a sanitized pair of tweezers. Grab the body of the seed (taking care not to touch the root) and transfer them to a pot with soil. Make a small hole in the top of the soil, place the seed in with the root pointing down, and bury only the white root, leaving the body of the seed above the soil. Give it a tablespoon of water.

Once germinated and planted, seedlings will need around 12 to 16 hours of light a day. If you don’t have access to this amount of light naturally, be sure you have some grow lights on hand! Thanks to Reddit gardening, seeds all around the world may germinate just a little bit faster from here on out.

A guide to buying cannabis seeds

The first couple months of the year is a great time to start planning your cannabis garden to get a head start on the outdoor growing season, which roughly runs from March to November, depending on where you live.

Navigating the cannabis seed market can be challenging when states have different degrees of legality. This guide will answer your questions on buying seeds so you can be on your way to growing your own cannabis.

Is it legal to buy marijuana seeds?

Marijuana seeds are considered a cannabis product just like flower, edibles, and concentrates. Their legality depends on which state you live in. People living in states with adult-use legalization can buy, produce, and sell seeds within their own state, but seeds can’t cross state lines. People living in states with medical marijuana legalization can only buy seeds if they have a medical card.

Seed banks exist outside of the US and can sell them for “souvenir purposes,” but it is illegal to bring seeds into the US and Customs will seize any cannabis seeds they find in packages or on a person.

An update on laws that affect buying weed seeds

In April 2022, the DEA released a letter clarifying the legality of cannabis seeds. A lawyer wrote the DEA, arguing that because a cannabis seed itself contains less than 0.3% THC, they should be considered hemp, which was legalized in 2018.

The lawyer’s argument was that the material itself—the seed—was less than 0.3% THC, whereas the law has always considered weed seeds illegal because they will turn into a cannabis plant that will have more than 0.3% THC.

The DEA wrote back to the lawyer agreeing, and saying that if a marijuana seed contains less than 0.3% THC, it is not a controlled substance.

However, the letter from the DEA is an “official determination” and not law. The legality of buying and transporting cannabis seeds across state lines is still murky, but the DEA’s position does pave the way for more relaxed laws on weed seeds.

Where can I buy cannabis seeds?

Many world-renowned seed banks are overseas in the Netherlands, the UK, Spain, and other countries where cannabis laws are less restricted, and in recent times, quality seeds banks have popped in legal states in the US. Seed banks provide seeds from a variety of different breeders.

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In states with adult-use legalization or a medical marijuana program, you can buy seeds within your own state, either at a dispensary or through a specific seed company’s website.

Can you buy cannabis seeds online?

Before you purchase seeds online, you’ll need to figure out what strain you want to grow and what breeder you want to buy from.

Because US federal law still technically prohibits cannabis (see update on laws that affect buying weed seeds, above), it can be hard to find information on seed banks and breeders. Breeders who have a long history and positive reputation are usually a good place to start.

Check out our explainer and buying guide to cannabis seed banks for more info on buying seeds.

To get an idea of what well-established breeders look like, check out:

Europe

US

You can also do some research and find an online grow journal that details the whole growing process of a specific strain from a particular breeder. Through these, you’ll be able to look over another grower’s specific notes and see pictures of the final results.

If you grow some seeds and like the results, try growing another strain from that same breeder and see how it goes.

Do dispensaries sell cannabis seeds?

Some dispensaries in medical and adult-use states sell seeds, but not all. Be sure to check or call ahead to see if they sell seeds. Buying marijuana seeds at the dispensary is far more straightforward, however, your options will be more limited than shopping online.

Dispensary staff should be able to give you information on the seeds they’re selling, but keep in mind that a lot of dispensaries focus on selling flower and consumable products. It’s a good idea to call ahead and talk to staff to see if they are knowledgeable about seeds and can give you specific information on growing.

How to look for quality genetics when buying marijuana seeds

Breeders talk about “unstable genetics,” meaning that a seed’s origin is unknown. Make sure that when you buy a packet of seeds that it or the breeder who produced them can list where the seeds came from and how they were crossed and/or backcrossed to get the seed that you hold in your hand. If you can’t get a seed’s history, it could be anything and the result of poor breeding practices.

An inexperienced breeder might cross a male and a female one time and sell the resulting seeds as a new hybrid strain, but professional breeders usually put their strains through several rounds of backcrossing to stabilize genetics and ensure consistent plants that reflect those genetics.

Which marijuana strain should I grow?

Even one weed plant can produce a lot of buds come harvest time, so make sure you grow a strain you like. Note strains you enjoy when you pick something up at the dispensary or smoke with friends, and look for seeds of it when you want to start growing.

Some strains are easier to grow than others because they are more resistant to mold and pests, so if you’re new to growing, you may want to try an easier strain to start.

Some strains also take longer to grow than others. Depending on whether you’re growing indoors or outdoors, you may want to grow a quick-finishing marijuana strain if you live in a climate that gets cold and wet early in the season. For example, indicas are known for having a shorter flowering time than sativas.

Check out our lists of different marijuana strains to choose a strain to grow.

What’s the difference between regular, feminized, and autoflower seeds?

Regular cannabis seeds

If you buy a packet of regular seeds, they’ll come with a mix of males and females. A lot of cultivators prefer to grow these because they haven’t been backcrossed—essentially inbred—as much as feminized or autoflower seeds.

You’ll need to sex out the seeds once their reproductive organs show during the flowering phase and discard the males—because they don’t produce buds and will pollenate females, resulting in seeded bud.

What are feminized cannabis seeds?

Seeds can come feminized, meaning you can just put them in soil and start growing for buds. These seeds are guaranteed to be bud-producing females and growing them cuts out the step of having to sex out plants and discard the males.

It also reduces the risk of having a stray male sneak into your crop—just one male can pollinate a huge crop, causing your females to focus their energies on producing seeds instead of buds.

What are autoflower cannabis seeds?

Autoflower plants change from the vegetative to flowering state with age, not the changing of their light cycle. They have a short grow-to-harvest time and can be ready to harvest in as little as 2 ½ to 3 months from when you put the seeds in the ground.

The downside is that, typically, they are less potent, but autoflower seeds are great for people who want to grow cannabis but don’t want to spend a lot of time doing it.

How much do marijuana seeds cost?

Cannabis seeds usually come in a pack of 10 or 12 seeds and start at around $40 a pack and go up from there. Some high-end genetics can run between $200 to $500 a pack.

Feminized and autoflower seeds will cost more because more breeding work was put in to create them, and they take less time for the grower to get buds.

How many cannabis seeds should I buy? Are they all going to survive?

When you grow any amount of seeds, a percentage of them won’t germinate, even if you get them from a reputable breeder. Always count on a few not germinating or dying off, or roughly 1/4 of the total you put in the ground.

When growing regular seeds, some won’t germinate and some will have to be discarded because they’ll turn out to be males. With feminized seeds, some won’t germinate, but a higher percentage of them will turn into flowering plants because there won’t be any males.

If you want six total cannabis plants to harvest for buds and are growing from regular seeds, start with about 9 or 10 seeds. Some won’t germinate and some will turn out to be males, and then you’ll want to discard down to the six best phenotypes.

If growing feminized seeds, you can probably start with a couple more seeds, 7 or 8. A couple won’t germinate, and then discard down to the six best phenotypes.

Make sure to always stay within your state’s legal limit of growing plants.

How do I buy strain-specific cannabis seeds?

Strains like Blue Dream, Gelato, and Original Glue have gained in popularity in recent years. Check out these resources on how to buy these types of cannabis seeds:

Cannabis seed buying FAQ

What is the difference between male and female marijuana seeds?

Gender in a cannabis plant can’t be determined from looking at the seed; the seed has to sprout and mature in order to determine the sex of a plant. Only females produce buds, whereas male plants produce pollen.

Why do you have to germinate seeds first?

Germination is the first essential phase of a cannabis plant’s life, when it first sprouts and grows leaves. Growers looking to bypass seeds and germination can start from a cannabis clone.

What’s the best way to store cannabis seeds?

Store seeds in a dry, airtight container, so moisture can’t get in. If storing for a long time, keep them in a fridge or freezer.

Will customs confiscate my cannabis seeds?

Despite the DEA’s letter from April 2022, cannabis seeds are technically still illegal and will be confiscated if found on a person or in the mail.

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