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Growing Cannabis As Fast As Possible: What You Need To Know

Use these tips to speed up your grow at any point between germination and harvest. Learn practical ways to make things go faster in either veg or flowering, inside or out. Don’t be surprised if one of the tricks for outdoor growers is a bit shocking. We weren’t expecting it either!

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There are plenty of reasons you might want to harvest early. Perhaps you’re moving house and have to pack up your grow room, or you grow outdoors in a northern country where the autumns are short, cold, and brutal. Perhaps you’re low on weed and hate to fork over your hard-earned cash in exchange for your meds. Maybe you live in a not-so-cannabis-friendly place and you think LEO is onto you.

No matter the reason, there are proven ways to rush things along, whether you’re growing inside or out. Still, you might have to compromise yield and potency in exchange for speed. Let’s take a look at what you can do to grow cannabis as fast as possible.

TIPS FOR FASTER INDOOR GROWS

Growing indoors is almost always faster than growing outdoors, mostly because you can control the lighting. You can tweak a few other things in the name of speed too.

GROW AUTOFLOWERING CANNABIS

As a general rule, autoflowering cannabis will mature at a faster rate than photoperiod strains because they contain a percentage of ruderalis genetics. Ruderalis evolved naturally in cold places like Siberia where the summers are very short. They had to develop the ability to produce flowers and seeds quickly to ensure the survival of the species.

Most autoflowering hybrids will start to flower two weeks after germination, and can be harvested about 7 weeks later. Quick One, for example, completes its full life cycle in 8 weeks and still yields up to 150g/plant.

Note that breeders are now reducing the amount of ruderalis they use to create autoflowering hybrids in order to increase yield and potency. As a result, some may take a little longer to be harvest-ready, or require a 20/4 or 18/6 light cycle for flowering.

Quick One
Strong Indica x Ruderalis
275 – 325 g/m 2
50 – 60 cm
5 – 6 weeks
THC: 13% (aprox.) / CBD: Low
10% Sativa, 60% Indica, 20% Ruderalis
100 – 150 g/per plant (dried)
60 – 100 cm
8 – 9 weeks after germination
Physical
Quick One
Strong Indica x Ruderalis
275 – 325 g/m 2
50 – 60 cm
5 – 6 weeks
THC: 13% (aprox.) / CBD: Low
10% Sativa, 60% Indica, 30% Ruderalis
100 – 150 g/per plant (dried)
60 – 100 cm
8 – 9 weeks after germination
Physical

TAKE PHOTOPERIOD STRAINS STRAIGHT TO FLOWER

You can force photoperiod strains to mature almost as fast as autoflowering cannabis by putting them in 12 hours of darkness every day from the time they germinate. It works, but your plants will not get nearly as big or yield as much as if you had allowed them to veg for the normal 4–6 weeks.

If you want to use this method, you can start with either clones or seeds, but you’ll need to grow a lot of them in sea of green (SOG) fashion if you want enough herb to hold you over to your next harvest. Most plants will be dwarf-sized and only yield 28g or less each.

VEG WITH LIGHTS ON 24 HOURS A DAY

This is a hotly debated topic, but you can leave your lights on 24/7 and your cannabis plants will be just fine. Unlike some other plants, they don’t need a dark period each day to be healthy. In fact, they’ll stay shorter, grow faster, and get bushier under a continuous light period.

By keeping the lights on all the time, you may be able to cut your veg time by a third and still have a good-sized plant by the time you start a forced bloom. If you try this technique, keep a close watch for deficiencies. If your plants look like they’re getting sick, reduce the wattage or hours of light to help them recover.

GIVE YOUR PLANTS LESS THAN 12 HOURS OF LIGHT PER DAY DURING BLOOM

If you’d like to jump-start the flowering process, put your plants in complete darkness for 48 hours before you start the 12/12 light cycle. Then, use a 11/13 light cycle throughout bloom. The extra reduction will trick your plants into thinking winter is rapidly approaching.

Starving a plant that wants to bloom for 9–10 weeks to force an early harvest can have a negative impact on yield. If you’re going to try this method, choose a cannabis seed with a naturally short finish time like Honey Cream. This is a high-yielding indica that only needs 6–7 weeks to complete its flowering cycle.

Honey Cream
BlueBlack x Maple Leaf Indica x White Rhino
500 – 550 gr/m 2
60 – 100 cm
6 – 7 weeks
THC: 16% (aprox.) / CBD: Medium
35% Sativa, 65% Indica, 0% Ruderalis
625 – 675 g/per plant (dried)
180 – 250 cm
Early October
Psychedelic high
Honey Cream
BlueBlack x Maple Leaf Indica x White Rhino
500 – 550 gr/m 2
60 – 100 cm
6 – 7 weeks
THC: 16% (aprox.) / CBD: Medium
35% Sativa, 65% Indica, 0% Ruderalis
625 – 675 g/per plant (dried)
180 – 250 cm
Early October
Psychedelic high

CONSIDER SWITCHING TO HYDRO

Compared to soil or a soilless mix, hydro can reduce your veg time by a few weeks. This method delivers nutrients directly to the plant’s roots so that they practically grow right before your eyes. It won’t make the flowering period go much faster, but hydro usually produces heavier, denser buds and bigger yields. You might decide that, in this case, the time was well spent.

PROPER NUTRITION HELPS… A LOT

Sick plants need time to recover, so every time you overfeed, underfeed, or feed the wrong thing, you’re stretching the time until harvest. If you’re using nutrients designed for cannabis, they should come with instructions that tell you how much of what to use, and when to use it. Follow the directions, but keep the mix on the light side until you know if your plants are nutrient-sensitive.

Cannabis needs more nitrogen (N) when vegging and more phosphorus and potassium (P & K) while flowering. If you give then too much nitrogen during bloom, it’ll slow down bud growth and result in lower yields of fluffier buds. That’s the exact opposite of what you want!

Easy Combo Booster Pack

TIPS FOR FASTER OUTDOOR GROWS

Harvesting early outside is a little tricky. The obvious answer is to use autoflowering strains—and this does work. Depending on your weather, you may be able to harvest at least three times each growing season. Outdoor growers can also make photoperiod strains mature a little faster. Here are two things to try.

COVER OUTDOOR PLANTS TO FORCE BLOOM

Cover your outdoor plants with a tarp or other light-proof cover in the early evening and remove it the next morning. This works just like a grow tent to give your plants 12 hours of darkness each day to force them to bloom. As a bonus, you’ll end up with bigger, denser, more resinous buds when you’re done because the sunlight they do get, during the height of summer, will be much more intense than what they would receive during the fall months when outdoor cannabis plants normally bloom.

POLLINATE LATE, HARVEST EARLY

This last tip might shock you. Pollinate your flowers and they’ll ripen faster.

This doesn’t mean you’ll ruin your grow with a bunch of seeds. Pollinate by hand about a week before you want to harvest. As soon as the buds are fertilised, the plant will switch its energy away from flower formation to seed production and the maturity rate will escalate. The next week, when you harvest, the seeds won’t even be noticeable because they haven’t had time to form a hard shell.

CANNABIS SEED SELECTION IS KEY TO FASTER GROWING

If you want to grow cannabis as fast as possible, choosing a seed that’s been bred to mature quickly is key. It’s only common sense that it will be easier to hurry along a strain that will finish on its own in 7 weeks than one that prefers 12. Luckily, fast strains have been bred to meet every need and preference.

For those who prefer autoflowering hybrids, Northern Light Auto is a great choice. The original was already fast, but this improved version can go from germination to harvest in 10 weeks or less without any extra measures. Royal Cheese is a photoperiod strain, but this European favourite only needs about 6 weeks of 12/12 lighting to reach full maturity. Medical marijuana patients who are on a tight schedule should take a look at Medical Mass. This variety only needs 7 weeks of bloom to yield up to 550g/m² of CBD-enriched flowers.

CONCLUSION—HOW TO SPEED UP YOUR CANNABIS GROW

If you need to force your plants to mature faster than they naturally would, you can by trying one or more of the methods described above. Doing so, however, means that you will probably sacrifice both yield and potency in the process. For the best results, choose a cannabis seed that’s been bred specifically for speed. With the right genetics, you can minimise any type of compromise that you may have to make.

If you need to hurry your grow for an early harvest, this practical guide will show you how to speed things up, inside and out.

How to Grow Weed Fast

Out of the many questions by cannabis growers, the one that’s frequently touched upon is about how to grow cannabis fast. It’s a natural question and a very valid one at that. Growing cannabis requires expertise, knowledge, and patience. Yes, you need to be patient to get to those buds at the end of it all, but who wants to spend months at a stretch?

There must be an easier way, after all. And, there is. Growing cannabis is easy. There’s no need to make it complicated. But, to harvest the buds faster? Is that even possible? Yep. Very much. And today, I’m going to show you how.

1) Choose autoflowers over photoperiod strains

What exactly are autoflowers, you ask? Well, autoflowers are special types of cannabis plants. Cannabis plants can be divided into Sativa, Indica and Ruderalis strains. Out of these, Sativa and Indica became very popular while Ruderalis was somewhat left behind. However, in recent years, the importance of Ruderalis has been noted by thousands of growers across the world.

Basically, Ruderalis wasn’t as big as its counterparts. It was a short plant that grew anywhere from 1 to 3 feet with stocky buds and thick stems. However, what set the Ruderalis apart from its peers was its flowering cycle.

Photoperiod strains require light to grow, and the flowering cycle depends completely on the light. For example, growers provide 18/6 hours of light/darkness and switch to 12/12 hours of light/darkness to induce flowering. However, Ruderalis was different. Rather than relying on light, this strain started flowering automatically. And thus, the name “Autoflowers” became famous.

Now since autoflowering strains begin to flower irrespective of light, they are preferred over photoperiod strains. Ruderalis wasn’t as potent as Sativa or Indica, though. But, thanks to technology and passionate breeders, they are now as potent as photoperiod strains.

Another important reason that sets autoflowers apart from photoperiod plants is that you can harvest your buds faster. With photoperiod strains, the vegetative period where the plants grow require at least 10 weeks. Growers provide 18/6 hours of light/darkness in this cycle. Once they switch to 12 hours of darkness, the flowering begins. This period requires another 8-9 weeks.

As you can surmise, photoperiod plants require at least 5 months from seed to harvest. However, there is no distinction between the vegetative and flowering cycles for autoflowers and they flower irrespective of light and darkness. Most autoflowering strains such as C4 Auto and Blackberry need only 8 weeks to flower!

The plants need at least 3-4 weeks to grow well, and if you include 8-9 weeks for them to finish flowering, you can finish the entire cycle in just 3 months! So, if you grow autoflowers, you automatically have an edge over the others.

2) Go organic, if possible

Fertilizers are amazing for your plants. They help your plants grow bigger and stronger. However, some fertilizers contain synthetic ingredients. If you don’t flush your plants at least a week or two before harvesting them, you are bound to taste the fertilizers in your buds.

Not to mention that fertilizers are super expensive. Most commercial growers use fertilizers to help the plants absorb the minerals and salts as quickly as possible. But, you can’t ignore the fact that it can make the soil toxic. You can also over-fertilize the plants and kill them while actually trying to nurture them.

So, instead of relying on fertilizers, why not go organic? You can make your own compost at home and make super soil that not only produces big plants but also eliminates harmful ingredients. How awesome would it be if you contribute to greenery while growing cannabis at the same time?

Most growers believe that organic ingredients aren’t as effective as chemical fertilizers, but that’s just a myth. In fact, buds tend to swell more and taste better compared to buds grown with chemicals. Also, if you’re using chemical fertilizers, you always have to worry about coming in contact with chemicals that might ruin your own health.

On the other hand, organic nutrients tend to stimulate the soil and help the plants grow naturally. For example, if you include mycorrhizae in your soil, you encourage a symbiotic association between the plant and the roots. It’s natural, and your plants will appreciate the natural progress rather than being bombarded by chemicals.

Also, growing with natural ingredients is likely to push the plant to flower faster. In other words, you harvest those juicy buds faster!

Learn more about growing organic marijuana:

3) Use training techniques

There are several training techniques you can employ on your cannabis plants. However, not all of them will work on autoflowers. The best part of growing autoflowers is that they give great yields even if they aren’t trained at all.

Also, note that the plants need to be very healthy to train them. If in doubt, don’t train them until you’re really sure that you have the expertise. Here are a few techniques that are best for autoflowers.

  • LST – LST is short form for Low-Stress Training. As the name suggests, the key is to stress the plant just enough to push it to grow faster and better. In this method, the branches are tied to the sides so that the center of the plant gets more light. This method works exceptionally well for big plants like Tangie’matic.

With this technique, light is distributed in a uniform manner and you won’t have to deal with popcorn buds. Also, marijuana plants tend to grow better when stressed. It’s a natural defense mechanism that makes the plant heal quickly. Autoflowers need to be trained carefully, but since LST is about minimally stressing the plant, it works pretty well.

  • Topping – This is another technique to help the plants grow more. The top of the plant is cut off so that the main cola divides into two. This works very well, especially if the plant is small and has fewer nodes. Since this training method won’t stress the plants too much, they are best for autoflowers.
  • FIMming – Very similar to topping, this method involves pinching the top of the main cola. Unlike topping, the tip of the main stem isn’t cut off entirely, but it’s just pinched off so that it develops more colas. You can expect several colas in this technique.

4) Avoid Over-watering

Overwatering is one of the most common ways to kill a cannabis plant. Not only cannabis plants, but this applies to most plants in general. Overwatering also slows down the growth of the plant drastically. When the roots of the plant have enough water, they rarely try to push their boundaries, and you’ll end up with a plant with reduced yields.

On the other hand, if you don’t over-water and let the roots seek water, they grow more secondary roots. This is a basic, scientific fact. A good way to follow the wet and dry cycle is to touch the soil and figure out whether it’s wet or dry. If the soil is wet, just don’t water the plant at all. And, if the soil is moist, wait a couple days until it’s completely dry.

The trick is to water just before the plant starts to wither. Once you’ve grown several plants, you will know when to water the plants at the right time. If growing indoors, it’s even more important to not over-water the plants since they don’t dry very quickly.

Another method to check when to water the plants is to weigh them. Just lift the pots. If they feel too heavy, they have too much water and you’ll have to wait. On the contrary, if you can lift them easily, it’s time to water them – as simple as that.

5) Use the best containers

Cannabis plants love fabric pots. Fabric pots like Smartpots are best for all plants, but when growing indoors, it becomes an important factor. In fact, you should stick only to fabric or Airpots when growing indoors because it takes a while for the soil to dry. This doesn’t apply if you’re growing hydroponically, but if you’re using soil, you need all the help you can get.

Fabric pots encourage the roots to travel to the sides of the pot in search of air. Roots require oxygen to grow. And strong roots mean that you get strong plants. When the roots reach the sides of the container, the tips die and secondary roots are produced automatically. This results in a sturdy plant that has a solid root system.

Airpots contain many holes that aid the roots to receive oxygen. The idea is to prune the roots of the plants. Many gardeners prune not only the stems but also the roots of the plant. This requires a lot of experience, though. Pruning forces the roots to grow aggressively and this inadvertently helps the plant.

Plastic containers are good, but they don’t suit indoor grows much. When you water the plants, plastic pots tend to hold more water since they are designed that way. Eventually, the roots are waterlogged and you can see the water pooling at the top whenever you water.

If you have only plastic pots, simply drill more holes in the pot so that it drains well. It’s important to let the water drain completely so that you don’t encounter root rot and other issues.

You can grow marijuana fast if you put your mind to it. However, growing cannabis is an art. It’s important to be patient and let the plant do its thing. Sure, you can do a lot to harvest the buds faster, but you need to leave the plant alone to do what it knows best.

At Fastbuds, most seeds complete their cycle in just under 10 weeks, but strains like Lemon AK and Zkittlez that has just been introduced needs only 8-9 weeks!

Out of the many questions by cannabis growers, the one that’s frequently touched upon is about how to grow cannabis fast. It’s a natural question an