Types Of Weed Seeds

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Some people think that the size, weight or appearance of a cannabis seed can tell you about the type of plant it will grow into. Read on to find out more. The selection of different types of cannabis seeds has changed a lot since the 90's. Breeders make a big effort to improve growers choices Cannabis genetics define the characteristics of the plants which grow from cannabis seeds. Learn more details about cannabis genetics and terminology.

What does the appearance of a cannabis seed indicate?

Can the visual appearance of a cannabis seed indicate anything useful about the future plant which it will produce? It’s a question which has been asked by many cannabis growers. And over the years there have been many different theories about this.

Cannabis seed weight. What does the weight of a cannabis seed indicate?

Dutch Passion created feminized seeds in the 1990’s. It was a revolution for cannabis growers. But in the days before feminized seeds, some people felt that ‘male’ and ‘female’ seeds could be separated according to their weight, appearance, size, shape etc. The idea behind this unproven theory was that cannabis seeds all had different sizes and shapes for a reason. One of the first difficulties with the theory is that different marijuana seed varieties often produce different size seeds. White Widow seeds, for example, can often look smaller than other varieties. And yet they produce excellent quality harvests. Seed size has no relationship to potency. The future sex of a cannabis plant simply can’t be determined by the weight or size of the cannabis seed. If it were that easy the seed companies wouldn’t spend as much time and effort to create feminized seeds.

Feminized seeds vs autoflowering seeds. Do they look different?

Every so often a home grower will accidentally mix up their seeds. Often this is done after a smoke/vape, perhaps when you are getting the cannabis seeds ready for germination. If you have ever mixed up your seeds it can feel impossible to be confident about their true identity. There is no certain way to distinguish between feminized seeds and autoflower seeds just by looking at them. The plants real future identity lies in the DNA inside the cells within the seed.

Stripes on cannabis seeds. What do they indicate?

Cannabis seeds have an undeniable beauty and appeal. The various shades of brown are delicate. Under powerful magnification you can see how a cannabis seed is a wonderful piece of natural beauty and design. When you examine a cannabis seed near a bright light you can see a shiny reflection, as if the seed has a coating of wax. Not every cannabis seed has a similar appearance to the next. Some seeds will have dramatic tiger stripes. Others will have a more homogenous surface coloration. The appearance of the seed isn’t a reliable indicator of any particular plant quality. Everything is coded in the genetics inside the plant tissue safely encased inside the shell. From the sex of the plant to the cannabinoid and terpene profile, plant DNA and genetics determine the future. That’s where you rely on the seed company doing their job properly. The highest quality cannabis seeds are not always the cheapest. But if you buy from a company with a reputation for quality you know that a great deal of skill and effort, and many years work, has gone into your cannabis seeds.

Are heavier cannabis seeds more difficult to germinate?

Some growers feel that the largest seeds can be more difficult to germinate due to the extra shell material. However, the shell material is designed to be weakened by water, it shouldn’t really be an obstacle to germination rates. As the fibres in the shell are penetrated by water, the shell structure swells and weakens allowing the tap root to emerge. Poor germination rates of cannabis seeds is often a sign of old seeds. It could also be the result of poor quality seed production practices. This is one area where established seed companies have the benefit of many decades of know-how and experience. Cannabis seed production is just like any other intricate and highly skilled process. The most experienced seed companies have people who are at the top of their profession with several decades of practical knowledge producing the best quality cannabis seeds. Dutch Passion do not recommend the use of sand paper to reduce the thickness of the cannabis shell. It’s too easy to accidentally damage the inner seed. Simply leave the seed to soak in a damp paper towel for a day or so. But never try to force open the seed, or use artificial abrasion techniques to try to weaken the shell.

Old cannabis seeds

Very old cannabis seeds feel weaker when gently squeezed. In the worst cases the shells crack easily and the powdery crushed contents are released. The best way to store cannabis seeds is in a dry, dark container in a cool place such as a fridge. Cannabis seeds will still have good germination rates after several years of cold (and dry) storage.

Immature cannabis seeds

Cannabis seeds which were harvested too early will have a green/whitish appearance. Often these will be small in size, and will struggle to germinate. Seeds that are clearly immature are not recommended for growing. Some seeds, such as Dutch Passion Frisian Duck, can have their own coloration. In the case of Frisian Duck the seeds have a slightly unusual grey appearance

Buy the best cannabis seeds online

The best way to achieve a good quality harvest of home grown cannabis is to invest in some high quality seeds. Buying cannabis seeds online from a high quality seed company guarantees fresh seeds with good germination viability. You also benefit from the security of knowing that your cannabis seeds contain the best genetics to deliver top quality cannabis at harvest.

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Jay – Dutch Passion

Hello @ Esox Fables 2022-02-27 02:28:25, You can read some tips here on how to germinate your seeds: https://dutch-passion.blog/the-best-ways-to-germinate-cannabis-seeds/ If your seeds have not sprouted you can reach out to us at [email protected] and we can help you from there! Greetings, Jay Dutch Passion

Esox Fables

Hello, I recently purchased some WW auto CBD seeds from you and I’ve been waiting for a week for them to sprout. Prior to use they were kept in my fridge as advised. I’m not sure what I’m doing wrong but they are in a room at 21° and 40% humidity. Is it normal for them to take so long to sprout? Any advice would be much appreciated Thank you, Mick

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Jay – Dutch Passion

Hello @Trichy Dicky – 2021-04-03 13:19:57 If a plant hermies it does not mean that all offspring will be hermaphrodite as well. But the plant will definitely be more sensitive to become a hermaphrodite. Many famous varieties have come from a bag seed, so for breeding it can definitely still be used! Greetings, Jay – Dutch Passion

Trichy Dicky

I am finding seeds in cannabis grown indoors and away from males, so a plant decided to hermaphrodite I guess. I THINK all seeds from a hermie will also be hermaphrodite? I wonder! Great company @Dutchpassion

Lliam Cole

I revently bought a 5 pack of feminized Skunk #11 and the seeds are tiny and white and look very immature. Im trying to germinate one right now but Im not confident it will sprout, should I worry?

Dr.Big Dave

Through the years I myself have grown just about every any seeds I have run across and In my experiences a. Male is a male and a female is a female.until you are ready to start budding you just won’t know.also have planted some texmex dirt seeds and produced some of the best Bud I’ve ever smoked

I tried pots and many mediums but the best and quickest way I find is in a glass of tepid water, this will also show if your seed is fertile and will sprout. first get a small dark glass I use a brown pill bottle or tub. First fill 3/4 of your water vessel with tepid water. Get a seed or seeds and pop in. Now don’t panic if they float. After 2 hour if seed is floating just lightly push seed under water a few times if needed. If still floating leave for another 2 hours or overnight. You can put lid on pill jar or clingfilm to ensure you vessel is air tight. Place in a dark warm place for 24hours. Your seed should be sprouted. Thank out seed sandwich between Wet paper towel on a plate and leave back to same warm spot and ensure to keep moist..Your sprouts should be good to go in a total of 3-4 days. Best of luck Aido

Darrell

2″ container filled with potting soil,1″deep where seed won’t corkscrew out,water,3 days sprouted. No muss no fuss.

antony stewart

A rule of thumb for gardeners is that a seed should be 1-2 times as deep as it is big. a pea at 2cm, a ganja seed at >1cm.

BENTOS

Hi Alf ! After 35 years of starting my seeds using fine, sieved soil in small plastic pots, last year I tried small Rockwool cubes (40 x 40 x 40 millimetres) for germinating my babies. This was extremely easy and I achieved 100% germination. It will now be the method I use for the rest of my days, so pleased was I with the results and how simple it is ! I plant my seeds pointy end down, one seed per cube. There is no need to pre-treat the seeds in any way or do any other various types of physical manipulation; the plants have been doing it themselves, unaided, for Millennia ! Start by soaking the cubes in a bucket of room temperature, aged / chlorine free, clean water for a few minutes, then remove the cubes and give them a couple of quick flicks in a downward direction to remove the excess water. I then make a small hole in the cube, about the same width of the seed and roughly twice as deep as its’ size, with a small pointed stick. After inserting the seed (a small bamboo skewer can be very helpful), I use a small “fluffy” piece of Rockwool, about 2-3 times the size of the hole and about 2-3 millimetres (1/8 of an inch) thick, taken from either the edge of the cube or another cube especially sacrificed for this purpose and cover the seed in its’ hole lightly, with this small tuft / fluffy piece, so it forms sort of a “hat” and very gently give the “hat” a pat so that it is in contact with the rest of the cube. There is no need to push the “hat” down hard. After this I use a water spray bottle (atomiser), with the nozzle adjusted to a misting setting, to lightly moisten the “hat”. Again, using clean, room temperature and chlorine free water. After all this, I place the cubes onto a saucer that has some very fine aquarium gravel or a similar substrate, covering the bottom (of the saucer). This is to provide air circulation and drainage, in case you are too generous with watering. You need to keep the cubes moist, but NOT wet. If you can feel moisture when lightly touching the cube with the back of a finger, this is moist enough. Resist the urge to water every day (unless necessary) and under no circumstances, do not use any fertilisers. The embryonic seed has / contains all the nutrition and energy it needs for the first 2-3 days of growth (think bean sprouts!). The best way to maintain the correct moisture level is to use the water sprayer bottle and mist the cubes gently. You will, after some experience, be able to judge the moisture content by the weight of the cube when / if you pick them up. Do not let the cubes dry out, but this is highly unlikely if you check the cubes at least once a day. Keep the moist cubes in a warm shady area and away from any direct winds / breezes that may dry the cubes out prematurely. Only once the seeds have sprouted should they be placed in / under any light, but the sooner they are, the better. There is no need to cover the saucer with the cubes on it with anything, such as cling film or a plastic bag and do not place them in a mini greenhouse or any other type of enclosed container, as this can cause the seeds to rot due to the extremely high humidity. I have found that the cubes will remain moist long enough for the seeds to germinate with little to no extra watering, with the sprouts taking between 1 and 6 days to emerge; so do not give up too soon! Plant the whole cube into your growing system once the seed has sprouted and the plants’ root(s) are coming through the bottom of the cube. By starting the seeds in the cubes you avoid handling the fragile baby plants and prevent any possible risks of damaging the emerging embryonic leaves and roots. I hope this helps and most of all, happy growing!!

Kathleen Briggs

I like the damp folded paper towel in an unsealed plastic bag (in a dark room) method — however have discovered one important trick/fact. Roots always try to grow down, so put the seed inside a folded damp paper towel, but ensure only one layer is below the seed and the other damp layers are on top. The root will try to work its way down. If there are many layers below it, the root can get entangled and be hard to extricate without damage.

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Stephen Greaves

I germinated frisian duck seeds straight on top of a soil plug with halfvthe seed showing. I put three into a plastic box and then into a drawer in my garage. It took 6 days until they had sprouted to about 30mm high and shed the seed cap.

Alf, 4th June 2019. There are several equally good germination methods. Many customers prefer the idea of germinating seeds between sheets of wet kitchen paper, inside a sealable plastic bag. Good luck!

Different Types of Cannabis Seeds

The different types of cannabis seeds available in the market have drastically changed since the 90’s. Before, growers could only choose between indicas, sativas or hybrids in their regular version. Seed banks and breeders have done an amazing job investigating and creating new seeds. Nowadays, there is an unbelievable offer that adapts to anyone interested in cannabis.

Types of cannabis seeds

Indica seeds

Indica strains stand out for their optimum yield/ life cycle ratio. They are, in general, more productive than sativas and need less time to complete their development, which is also shorter. Their main advantage is that these types of cannabis seeds grow very dense buds, but that also makes them more prone to mold, specially in humid and hot areas.

Cannabis species differentiate from each other in the characteristics they display during the different growth phases. Indica seeds grow into a spruce shape that reminds us of a Christmas tree. A good way to increase the yield is to use LST techniques or perform apical prunes to make sure light reaches all the parts of the plants equally. Dark green tones and wide leaves give indicas away.

Their short height makes these types of seeds perfect for indoor cultivation or small spaces. Although, their short flowering cycle also makes them ideal for outdoors, as they’ll be ready before first frosts.

Sativa seeds

Sativa cannabis is less productive than indica plants, which will require growing more plants in order to get the same amount. However, the buds are more spongy anr airy, which grants them greater resistance against humidity and mold. THC levels are higher in sativa seeds and effects are more mental and energetic. This quality plus their exotic and tropical flavors, make sativas very popular among growers.

Just like the buds, the entire plant is stretchy and airy. The light green leaflets are quite apart from one another. Due to their height and the amount of space they need, growing sativas indoors or in balconies is always challenging, as they require pruning techniques to modify vertical growth to horizontal.

Hybrid seeds

Hybrid seeds are a combination of two different genetics, usually sativas and indicas, in order to improve strains’ characteristics. Hybridization’s goal is usually to shorten sativas’ flowering period and promote larger yields with dense and harder buds or grant indicas with exotic flavors and aromas.

Seed banks are constantly hybridizing strains to get new varieties and offer the best possible choices to their clients. When crossing two strains, you get different phenotypes, which essentially are plants with different characteristics but the same genes. Banks then choose the ones that meet the traits they are trying to stabilize and offer the best version.

Ruderalis seeds

Ruderalis seeds are less known because seed banks don’t usually sell them.They only use them as part of hybridization processes. A Ruderalis crossed with another type transforms the resulting seed into autoflowering once it is fully stabilized.

Ruderalis cannabis is a wild plant that originated in the coldest areas of north Europe, Central Russia and Siberia. The short hours of sunlight and constant frosts forced these types of plants to adapt to the environment and flower despite lack of light and harsh weather.

These types of seeds have THC levels lower than 3% and grow very little in comparison to other strains. They are compact, hefty and resistant and have a mere weed appearance. Buds are small and fat but their poor THC and CBD levels doesn’t pose any commercial interest apart from hybridizing it to obtain autoflowering plants.

Other types of marijuana seeds

Apart from all the cannabis species that exist according to the type of marijuana seed they come from; cannabis can also be classified in other ways according to their photoperiod dependence, gender or THC and CBD levels.

Regular seeds

Regular seeds were the first ones used for cannabis cultivation. Their main characteristic is that they can germinate into male and female plants. This used to be a problem for people that wanted to get large yields out of their crops because these types of seeds used to turn male 90% of the time.

Males produce the necessary pollen for females to create seeds, which can then turn into new plants, but they also produce flowers. A pollinated female will yield poor quality buds full of seeds. A way to prevent this was to get rid of the male plants once they were identified. Currently, these types of seeds are limited to growers or seed banks that create their own hybrids.

Feminized seeds

Feminized seeds have been modified so that they are incapable of creating male chromosomes, growing only the female plants that produce flowers. Feminizing any type of marijuana seed is a difficult task that requires a lot of time and try-outs to ensure consistency and stability and be able to sell them as feminized varieties.

This process is nowadays 99.9% guaranteed, therefore, there is always a small possibility to germinate a male plant. However, any type of feminized seed is always a better option than a regular one for rookie growers. This way, growers avoid learning to differentiate male from female plants and be on the alert to remove the male plants on time. They also assure obtaining buds at the end of the cultivation process with just basic care.

Autoflowering seeds

Autoflowering seeds change phases regardless of their surrounding characteristics. They are auto programmed to enter the flowering period after a certain amount of growth weeks. They are very easy to grow because they can develop even with just a few hours of daily sunlight. As a matter of fact, they are very resistant to light pollution, which means interrupting their hours of darkness won’t affect them.

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These seeds are perfect to start gaining growing experience or for people that don’t have enough time to dedicate to their plants. Of course, proper care will increase the final yield.

Autoflowering seeds are created by crossing a regular or feminized seed with a Ruderalis. This way, the new seeds will have a shorter life cycle, the plants will be smaller, more resistant and capable to flower under nearly any circumstance. These plants are ready for harvest 10-12 weeks after their germination. Although they are less productive than feminized, it compensates with the amount of autoflowering crops that can be carried out throughout the year.

CBD seeds

All the different types of cannabis seeds of CBD have the same characteristics as feminized, regular or autoflowering seeds but with CBD levels higher than usual. On plenty of occasions THC levels are lowered to the maximum in order for the strains to be used for medical purposes.

However, these seeds aren’t suitable to make CBD based products because their THC levels are never as low as required by current regulations; which is at this moment 0.2%. Hemp seeds are more suitable for that purpose. Either way, CBD-rich marijuana seeds produce more relaxing and de-stressing effects than other seeds.

Hemp seeds

Contrary to CBD seeds, these types of cannabis seeds do have THC levels lower than 0.2%; therefore, CBD content is predominant. Also called industrial hemp, these seeds are ideal to extract CBD and create products for therapeutic uses. However, CBD levels provided by hemp seeds will never be as high as the one provided by CBD seeds.

Industrial hemp seeds aren’t suitable only to extract cannabidiol. Hemp plants are perfect to make resistant fibers for the textile industry, paper, insulating elements, ropes, motor fuels, paint, cosmetics, etc. Hemp seeds can be ingested in oil form, full, raw, toasted or in flour.

Fast version seeds

Just like CBD seeds, these types of cannabis seeds have the same characteristics as other marijuana seeds but their growth cycle is shorter than usual and they are intended to be harvested before October frosts.

Plenty of these seeds complement each other. Sativas, indicas, hybrids or Ruderalis can also be feminized, regular, autoflowering or fast version. Hemp seeds are only sativas.

Cannabis seeds genetics

Cannabis genetics define the characteristics of the cannabis plant. The plant DNA is the hereditary (genetic material) which is found in plant cells. This carries information for the growth of the plant. Cannabis genetics determine which cannabinoids your plant will be rich in, how large it can grow and all the other important aspects of cannabis. Good quality, stable cannabis genetics are the key to growing high quality cannabis.

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Best Indica vs Sativa vs Hybrid seeds

Finding and stabilising the best cannabis genetics is a full time job for cannabis seed companies and top breeders. Cannabis seeds are categorised into two main types, indica and sativa . Indica tend to be short and broad leafed. Sativa plants are often taller with sender leaf fingers. Hybrid cannabis seeds combine the best of indica and sativa genetics.

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Cannabis genetics FAQ

How do breeders create new cannabis strains?

Crossing male and female plants of different strains is how new cannabis strains are created. If the breeding is done carefully the best characteristics (yield, potency, aroma, taste etc) of the parent varieties are passed on to the offspring. The new strain can then be stabilised over several generations of backcrossing. From this new strain you can create feminised seeds and autoflowering cannabis seeds.

What are F1 cannabis genetics?

F1 cannabis genetics means they are first generation from a cross of two parents. When one F1 plant is bred with another brother/sister (from the same batch) an F2 is created. With some poly hybrids, the best cannabis seed producers can require up to 10 generations (F10) before the cannabis genetics are regarded as fully stable and viewed as an inbred line (‘IBL’). This is because the parent genetics contain initially high levels of divergent characteristics which take longer to fully stabilise. The amount of breeding required to create an IBL depends on the genetics being worked with. For example with some stable landrace strains an F5 may well be stable enough to be considered an IBL.

How can genetics affect cannabis?

Cannabis genetics determine everything about the plant you are growing. For those growing cannabis seeds, the stability and consistency of the plants grown from the seeds is vitally important. Cannabinoid production, harvest quantities, aroma and other qualities also need to be delivered. To the cannabis grower, genetics are everything.

How to tell if you have good cannabis genetics?

Research your cannabis seeds carefully. You don’t really know what cannabis genetics you have until you grow them. There is a bond of trust between you and the seed company. If the seed supplier has done their job well you can expect consistently high quality results. Look for cannabis seed companies with a long track record for excellence and a good reputation with growers.

How to choose the right cannabis genetics for your needs?

Ask yourself what the most important qualities are you would like in an ideal world from your next cannabis grow. Do you like citrus flavours or a skunky taste? Lots of THC or a smooth hybrid offering THC in combination with CBD? Indica or sativa? Autoflowering cannabis seeds or photoperiod feminised seeds? If the options seem confusing try the Dutch Passion Seed Finder which guides you to the best cannabis seeds for you in a few clicks.

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