How To Choose Seeds For Growing Weed

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Read more to understand which cannabis seeds suit you the best and why. We help you find the best cannabis seeds for you whether you are growing cannabis indoors or outdoors, with feminized or autoflower seeds Learn how to choose the best cannabis seeds for indoor growing and achieve large harvests of resinous flowers from your grow.

How to choose the best cannabis seeds

Choosing the best cannabis seeds can be confusing because there are so many to choose from. As well as the established seed companies there are lots of small, new seed banks. The choice can be overwhelming and it can be difficult to know where to start. Before you can decide on the best cannabis seeds, you first need to ask yourself a few questions about your own growing and smoking/vaping preferences

Feminized photoperiod seeds or autoflower seeds.

These days the market for cannabis seeds is dominated by two main categories. Photoperiod feminized seeds and autoflower seeds . Autoflower seeds grow from seed to harvest in around 10-11 weeks indoors using a 20/4 light schedule. That means 20 hours of light followed by 4 hours of darkness. Some seeds, including the Dutch Passion autoflower varieties, can also be grown under 24 hour light from seed to harvest. Photoperiod feminized seeds have to be forced into bloom by reducing light to 12/12. This means they need 12 hours of light followed by 12 hours of darkness in order to bloom, and the bloom process usually takes around 8-10 weeks. You can expect great potency levels from good quality seeds whether they are autoflowering seeds or traditional photoperiod feminized. These days most of the autoflower seeds are feminized rather than regular.

Regular seeds or feminized seeds.

Typically around 97% of seeds are feminized seeds , that means that they will grow into mature female cannabis plants. Regular seeds will give rise to male and female plants in roughly equal numbers. Feminized seeds were first created in the 1990’s by Dutch Passion and have become the most popular way to grow cannabis. Regular seeds are still used by breeders and some old-school growers, but most growers don’t want to use their space, nutrients and electricity to grow unwanted male plants. For that reason regular cannabis seeds have become less popular over the years. However, Dutch Passion still maintain one of the largest collections of regular seeds with around 15 varieties available as regular seeds. Many seed companies don’t offer any regular seeds, and only sell feminized seeds. There are no differences in quality or potency between feminized and photoperiod seeds.

Indoor cannabis seeds or outdoor cannabis seeds.

In many countries, especially those with cool climates, people prefer to grow cannabis indoors. This is a cheap and easy way to grow cannabis, you can buy the grow tent, extraction fan, carbon filter and lights easily from your local grow shop or online. A budget grow room can be set up for a couple of hundred euros, and you can save even more money by buying some of your equipment second hand. Growers in warm countries often prefer to grow their cannabis outdoors, on their terrace, their garden or in the local countryside. The following blog gives useful information about growing cannabis easily outdoors . This blog explains how to grow weed easily indoors . The Dutch Passion outdoor seed collection features some varieties that have been selectively bred for growth outdoors in Dutch-style climates.

THC rich or CBD rich cannabis seeds.

Most varieties of cannabis are rich in THC, THC gives the psychoactive high that is so popular with recreational and medical cannabis users. THC ensures a pleasurable cerebral experience, but it also delivers valuable medical benefits for medical cannabis growers. In recent years new varieties have been created are are also rich in CBD. CBD is especially valued by medical growers who find it can be helpful with symptoms of some illnesses, such as MS, Crohns disease and some chronic pain issues. CBD rich varieties can offer a smoother, more enjoyable high, sometimes with a less intense psycho active effect and an improved body stone. But many recreational cannabis growers are also starting to notice that CBD rich varieties give them a superior, more rounded smoking experience. CBD rich varieties also tend to have higher levels of some of the other minor cannabinoids such as THCV, CBG etc. For many home growers, the wider the cannabinoid spectrum, the better the final smoke/vape.

Choosing the best cannabis seed company.

Find a cannabis seed company that you have confidence in. These days it’s easy to google a seed variety to find grow reviews. Many of the larger seed companies will be present on the grow forums and should have plenty of strain reviews on the internet. Dutch Passion have hundreds of grow reviews in the blog section of the website, it’s searchable and you can see the results that can be achieved with the best genetics.

Cheap cannabis seeds or expensive seeds.

The most expensive cannabis seeds are not necessarily the best. Focus your research on the seed variety that you think will suit you best. Don’t worry too much about the price, your time is better spent looking for grow reviews on the best performing genetics. At the same time, don’t try to cut corners on seed pricing, the cost of your seeds is one of the less expensive parts of your grow but the genetics have the greatest influence on the final harvest quality.

How to Choose Cannabis Seeds for Indoor Growing

Starting an indoor grow can seem overwhelming if you’ve never done it before. Choosing the right strain is definitely one of the most important aspects, and some brand-new growers can become lost along the many different offers on the current market. Keep reading in order to learn everything you need to know in order to choose the best strain for your indoor grow.

Table of Contents

You’ve probably taken hours or even days to choose the right seeds for your grow before. This is actually quite expected, and luckily there’s an endless amount of cannabis strains. Do you know how to choose the right cannabis seeds for indoor growing?

Out catalogue includes strains from some of the best seed banks, high quality strains that were created thanks to the work put into crossing and selecting by breeders; strains chosen due to their exceptional characteristics and transfer these traits to their descendance.

Nowadays, after decades of breeding, quality standards have set quite the bar, which is why you should always choose a strain that adapts to your needs. Let’s have a look at a step-by-step guide in order to make the process easier.

Cannabis Seeds for Indoor Growing: Types of Seeds

Years ago, we used to have quite an issue finding the right cannabis seeds that would germinate correctly, and figuring out if seeds were good or not. These used to be basic issues decades ago, but with the appearance of seed banks, and with years’ worth of work, growers no longer have to worry about such issues.

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Currently, all seed banks guarantee germination if the process is done correctly. They also do germination tests before selling their seeds in order to guarantee a 99% success rate for growers.

The key question is what seeds should you grow indoors? Before growing a certain strain, make sure to choose it based on your needs, preferences and abilities; this will make sure that you’re happy with your harvest.

There are various types of seeds that can be classified y sex and their main qualities.

  • Photoperiod: which is to say, they have growth and flowering cycles that depend on the amount of light received.

This type of plant needs, ideally, 18h light and 6h darkness during the growth stage (which should be at least a month), 12h of light and 12h of darkness during the flowering period.

In countries which are along the equator or near it, where they have 12h of light all year round, photoperiod cannabis plants will grow until they’re adults* (approx. 1 month) and they’ll begin to flower, meaning that autoflowering plants are of little use in these areas.

*A way to stop plants from growing too small in such areas is to use artificial lighting to complement the lost hours of light up to 18h, allowing them to keep growing. You don’t need to use an incredibly potent light for this, as what you’re doing is essentially tricking your plants, simulating the daytime.

  • Autoflowering: these plants start to flower automatically from the second – fourth week onwards, regardless of the amount of light that they receive.

These plants are ideal for outdoor growers or indoor growers that don’t have much space. In countries such as Spain, where there’s a reduction in daylight towards the middle/end of summer, which tells the plant it should flower, autoflowering plants allow you to harvest while your photoperiod cannabis plants finish growing or flowering.

Usually, autoflowering plants should be ready to harvest after around two and a half to three months.

It’s true that autoflowering plants, because they have less growth time, can end up much smaller than photoperiod plants, which means that they tend to produce less. This is why, in indoor grows we recommend planting fast-flowering photoperiod plants, as you’ll be able to harvest larger amounts of possibly high-quality flowers in less time.

Some growers plant autoflowering strains indoors, although in order to make the most of them, they use 20h of light when growing, which makes for a larger electric bill but also larger yields than photoperiod plants.

Autoflowering plants can also be feminized or regular.

Regular Cannabis Seeds for Indoor Growing

Regular Seeds are those which produce both female and male plants. Remember, if wat you’re looking for is to obtain buds without seeds, you’re only interested in female plants. Once you can distinguish the plants’ sex, you’ll need to get rid of the male plants. In this case, we don’t particularly recommend this type of seed, as you can waste a lot of space and time in the process.

However, this type of seed is ideal for those growers who would like to make their own hybrids; if you want to research and make your own seeds by crossing your favourite strains, regular seeds are your best choice.

When cannabis seeds first began to be commercialized, they were all regular.

As we were saying before, regular seeds can be either photoperiod or autoflowering.

Caution! Don’t confuse regular seeds with brand seeds. In some places in South America (such as Argentina) people call seeds created by seed banks “regular” seeds; until recently many people planted seeds that they got from homegrown or bought flowers. -Some regular seeds can produce female plants, which produce flowers, as well as male plants (like the one shown above), which produce male flowers full of pollen which are designed to pollenate the female flowers and create seeds.

Feminized Cannabis Seeds for Indoor Growing

  • These are the most used seeds by growers and those which we recommend for beginner growers.
  • If you’re looking to obtain flowers, you can grow feminized seeds.
  • You won’t have male plants to get rid of, so you can use up all of your available space in order to grow female plants. This is great for urban indoor or outdoor grows, where space is incredibly important.
  • Additionally, if you grow feminized seeds you can save on soil and fertilizers used for male plants when germinated until you get rid of them.
  • Feminized plants are the same in quality as female regular seeds, even though many people believe the myth that they’re lower in quality.

Among feminized seeds, we can also find photoperiod seeds and autoflowering seeds rich in THC, CBD, as well as other cannabinoids and terpenes.

Seeds Rich in THC

For decades now, the demands of growers and consumers regarding the cannabis market has caused seed banks to specialize in high-THC strains that produce different aromas and flavours.

Via these combinations and selections, they’ve managed to generally increase the levels of THC found in cannabis plants. Analysis done in labs indicate that this cannabinoid has increased in most strains, going from 10 – 15% to 20 -25% approx. in a few decades.

This is the most well-known cannabinoid in cannabis, and it produces a psychoactive effect that is also medicinal.

However, effects produced by cannabis strains don’t only depend on the amount of THC in their buds.

For example, two strains could exist with the exact same proportion of THC. One may have stimulating effects and the other may have more relaxing effects. This is due to what’s called the entourage effect which is produced alongside other cannabinoids (CBG, CBD, CBN) and terpenes (Limonene, Pinene, Caryophyllene etc) which are also found in cannabis plants.

There are many strains which high THC levels, and as we were saying, most of them have THC levels over 18%. Among those with the highest THC content, you’ll find some particularly well-known strains such as Purple Punch, Mimosa EVO, TNT Kush, or Y Griega. Many consumers are looking for a strain high in THC, and although most of them contain over 18% of this cannabinoid, breeders are beginning to specialize in strains rich in other cannabinoids such as CBD or THCV.

Seeds Rich in CBD

A few years ago, it was discovered that there are some strains that, instead of containing high amounts of THC and high psychoactivity, have high CBD (Cannabidiol) contents, and a very low or almost non-existent psychoactive effect, and it’s been researched ever since.

CBD has quite the medicinal value, not just thanks to its multiple properties but also because it allows those who don’t tolerate THC well to benefit from cannabis.

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It has been shown throughout many studies that this cannabinoid is efficient in regards to fighting stress, anxiety, inflammation, pains and aches, nicotine addiction and others, dermatitis, migraines and many other issues.

As of now, there are a wide range of products available that contain CBD, on a constantly expanding market; flowers, derivates, vaping liquids and much more, and many more seed banks are also offering more of this particular type of seed.

  • Their effects allow you to go about your daily business without the mental confusion caused by THC.
  • They can help you to reset your THC tolerance; if you’ve been consuming cannabis for a while and it seems like it’s no longer having an effect or that you may be experiencing anxiety with THC strains, you can consume CBD for a while to take a break.
  • Even consumers that are used to consuming THC can benefit from CBD to alleviate anxiety or help sleep easier.
  • THC:CBD 1:1 Ratio

This ratio includes seeds that produce flowers with a balanced THC and CBD content, which is to say, 50/50%.

The psychoactive effect produced by this type of flower is moderate to low, and much softer. According to many medicinal consumers, it’s the best ratio for treating pain such as anxiety, autism, fibromyalgia, pain and for stimulating the appetite.

It’s also apt for recreational users and chronic consumers that are looking for cannabis that allows them to stay active during the day and get their work done.

  • THC:CBD 1:2 Ratio

With this ratio you’ll be consuming strains with twice as much CBD than THC. This is the best ratio if you’re a medicinal or therapeutic consumer that needs more CBD but still a certain amount of THC.

Additionally, this ratio produces quite a soft psychoactive effect in consumers that aren’t used to cannabis. This type of strain is generally quite sought-after by therapeutic and medicinal consumers.

Some of the most well-known strains within this ratio due to their quality and how easy they are to grow are Jamaican Dream CBD, Green Poison CBD or Ice Cool CBD.

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  • THC:CBD 1:20 Ratio

Within this ratio you can find strains with minimum amounts of THC and high amounts of CBD. These strains don’t produce any type of psychoactive effect and they’re the best for patients that only need CBD.

They’re also useful for recreational consumers looking for a strain that satisfies their need to smoke while letting up on the THC for a while.

These strains are also ideal for consumers that don’t enjoy or like the effects of THC but like the favour of cannabis itself.

Some of the best strains in this group are: Only CBD, CBD Charlotte’s Angel and Sweet Pure CBD.

Autoflowering Strains

Autoflowering strains, also called autos or automatic, contain Ruderalis in their genes, a type of cannabis that grows naturally near the river Volga and in other areas with generally bad weather conditions or few hours of daylight.

Ruderalis plants have the particularity that they flower in short periods of time, regardless of the hours of daylight they receive. These plants, which produce almost no psychoactive effect, have been crossed with potent commercial strains designed to produce strains that don’t depend on the light to flower and are ready to harvest approximately 60 – 80 days after germination.

As we were saying before in this post, these strains are ideal for fast outdoor harvests, while your photoperiod plants go through their necessary growth and flowering cycles.

Why shouldn’t you grow autoflowering seeds indoors?

In order to produce a decent amount of flowers, autoflowering strains need at least 18 hours of light a day during the entire process, growth and flowering. In as far as yield and effect, these strains tend to be lesser than most non autoflowering plants, even regular autoflowering seeds.

The carbon footprint produced by those extra 6 hours and the extra money required to simply turn your lots on is not worth it. Autoflowering strains are idea for growing outdoors, but they don’t make sense to grow in a grow tent that’s tall/large enough for photoperiod plants considering the amount of fast-flowering plants that exist.

If you don’t have much space to grow indoors and you can’t grow photoperiod plants even if you prune them, autoflowering plants can be highly useful when it comes to having some cannabis from your own harvest. One of the issues that autoflowering plants have is that due to the fact that they flower regardless of the amount of light they get, you won’t be able to take clones or cuttings to keep mother plants like you can with photoperiod plants.

Just One Strain or Multiple Strains?

One of the most common mistakes made by cannabis growers, especially beginners, is to grow different cannabis strains in the one setting.

It’s a common occurrence for there to be differences between plants grown from the same seed; they’re sisters, not clones, and they’re living beings that each get similar conditions but they’re not identical. Therefore, it’s safe to assume that there’s a much larger difference between plants grown from different seed strains.

Although it’s true that there are certain strains that, thanks to their structure, flowering time and nutritional needs, fit well with each other (such as Critical and Jamaican Dream); the easiest set up is to plant one strain on each growing area or grow tent.

If you plant different strains they’ll grow at a different rhythm and height, and depending on the chosen strains it may be complicated to correctly place your lighting. Plus, some plants will be ready to harvest earlier than others, so you’ll end up needing to use your lighting to maintain the last few plants, putting off your next round of plants. You’ll also be spending more on the electric bill and getting lower yields, which is exactly what you don’t want.

We recommend growing just one strain each time or choosing different strains with similar characteristics in as far as growing and structure. Even though it’s usually difficult to plant different strains in the same grow, there are strains such as Jamaican Dream and Critical or Jamaican Dream and Lemon King, which have similar structures and flowering times. The image above shows Jamaican Dream flowering indoors.

Important Characteristics for Cannabis Seeds for Indoor Growing

Knowing how to choose the right strain isn’t that hard; let’s have a look at some of the essential characteristics that you’ll need to take into account.

Out seed catalogue includes a filter so that you can search for strains depending on sex, flowering times, entourage effect, strength, flavour and other characteristics.

Effects

The type of effect produced is an aspect to keep in mind when it comes to choosing your cannabis seeds for indoor growing, even more so than the intensity of the high. This means that, apart from strength, you should also consider the type of effect produced by each strain and the fact that this is determined by their amount of cannabinoids and terpene profiles.

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In our seed descriptions you’ll find a list of effects produced by each strain. Let’s have a look at the main effects produced by THC rich cannabis plants, as we’ve already talked about CBD-rich strains in this post.

If you would enjoy a mentally psychoactive, active, stimulating and creative effect, you can choose between classics such as Amnesia Haze, Jamaican Dream or Super Silver Haze. These sativas are some of the best for consuming during the day, activities outdoors etc.

If you’re looking for an even more electric and hyperactive effect, you can try out strains such as Psicodelicia, Malawi or High Level.

If you would prefer a euphoric effect with more of a physical high than the previous strains, we recommend Neville’s Haze, Moby Dick or Jack Herer.

Among strains with stimulating effects that aren’t too potent, you can find some gems such as Monster or Tangerine Dream.

More balanced effects can be found in strains such as Black Dream, Skunk 1 or Green Poison; hybrids with approx. 50% sativa and 50% indica.

If you want to relax while you enjoy light euphoria and potent physical effects, you’ll need to choose between Indica-dominant hybrids with a hint of sativa, such as Gorilla Candy, Critical Widow, Channel+ or Mohan Ram. This type of strain produces possibly the most pleasing effect among indica-dominant strains; they are relaxing but they won’t couch lock you after a couple of drags. The ideal high to get rid of stress at the end of the day and enjoy pleasing sensations.

And lastly, within THC-rich strains, if you’re looking for relaxing and narcotic effects you can find it in potent indica strains such as Black Domina, Cream Caramel or Purple Kush; strains that will relax you to the point of inducing sleep. Definitely the best strains for towards the end of the day. Many growers are on the lookout for the most potent cannabis seeds. Keep in mind that the strength of a strain doesn’t just depend on its THC. It also depends on its terpene profile (aromatic profile) and other cannabinoids.

Flavours and Aromas (Terpenes)

As we have already mentioned, the aroma and flavour of each cannabis strain is determined by the proportion of different terpenes in their buds. This, as well as modifying the effect of cannabinoids, also provides unique experiences with each drag, offering a never-ending combination of aromas.

The flavour and aroma of each strain is one of the most highly appreciated characteristics when it comes to choosing the right strain.

*Growing tip for better flavours: in order to conserve the original flavour of each strain we recommend using bio or bio-mineral fertilizers.

Main Cannabis Aromas

Just like with wine and coffee, in order to describe aromas there are certain flavours that are referenced.

Citric flavours which are similar to fruit are quite common among cannabis strains (as they share many terpenes in common).

  • Lemon: present in many stimulating strains (classified as Sativa-dominant) such as Lemon King, Lemon Skunk or Lemon Tree.
  • Orange: such as Orange Sherbet, with a fruity hint that’s also present in California Orange.
  • Mandarine: many strains classified as “Diesel” have hints of mandarine in their aroma, such as the delicious Tangie, Cream Mandarine XL and Red Mandarine F1 Fast Version.
  • Pomegranate: this bittersweet aroma is found in some strains such as Grapefruit, completing its aroma with a hint of fruit, or Jack White, which also has hints of incense.
  • Strawberry: another flavour that you can find in certain strains is strawberry. For example, strains such as Furious Candy or Strawberry Lemonade have delicious aromatic hints of strawberry.
  • Banana: over the last decade, many famous strains have been created with banana aromas such as Tropicanna Banana, Banana Krumble or Strawberry Banana Auto.
  • Haze: these strains are usually a combination of citric aromas (such as lemon or lime) with hints of incense, spices and fruits. Some of the best strains that best represent this aroma are Super Lemon Haze, with an intense lemon aroma with hints of pomegranate and spices, or Gipsy Haze, with a strong lime aroma with hints of incense and mango.
  • Diesel: this group of strains is known for their citric aroma (usually similar to mandarine) and combination of gas or diesel-like flavours. Some of the most famous strains in this group are Sour Diesel or Ice Cool.
  • Kush: the range of Kush aromas goes from more earthy to citric aromas with hints of pine, although all of them have a common flavour due to their high content in the terpene b-Caryophyllene and pungent, citric aromas produced by Limonene and Pinene among others.
  • Skunk: these old-school strains are characterized by their intense fruit aroma with citric hints. Some of the most famous European strains such as Cheese, Skunk 1 or Super Skunk, Triple Cheese or Critical fall into this group.
  • Fruity, sweet flavours such as Critical King or Blueberry (an absolute classic) or tropical fruity flavours such as Txomango or Pineapple Express.
  • Wood and other dryer flavours are also quite popular and can be found combined with different aromas such as Arjan’s Haze 1 or strawberry like Veneno.
  • Nutty aromas are also highly appreciated in many strains, such as the legendary Northern Lights, the potent Thai hybrid Sweet Tai or the famous Super Bud.
  • Caramel or candy-like flavours are also incredibly popular, among which you can find Sweet Zenzation, which has delicious fruit caramel flavours, or the mythical Cream Caramel, combining sweet, deep and fresh earthy flavours, or Mimosa X Orange Punch, which has an orange and mandarine caramel flavour.
  • Over the last decade, many breeders have created strains with intensely sweet and dessert-like flavours. There are many strains with such flavours, such as Biscotti Mintz which tastes deliciously of cookies, chocolate and mint, Purple Punch, with delicious apple pastel flavours, or Blueberry Muffin which tastes deliciously of blueberry.

Growing

Growth strength, flowering times, reaction to stress, extra growth during the flowering period… these are all things that you need to keep in mind when choosing these seeds.

Depending on the growing conditions that are available to you, you’ll need to choose the strain that best fits your needs and limits.

If this is the first time you’re growing cannabis, we recommend looking for seeds to test out that do well with stress and have short flowering times.

Now that you know how to choose your seeds, the next step is to germinate them.

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