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Are Autoflowers Worth it?

Many people grow cannabis because they are passionate about it, but there comes a time when you have to consider whether it’s worth all the effort. Autoflowers have become famous over the years, but some wonder if autoflowers are worth it. If you’re one of those, this article will help clear your doubts.

If you’re absolutely unaware of autoflowers, just know that it’s a species of cannabis that doesn’t rely on seasons to grow and flower. They flower automatically once they grow for a specific period of time. Meaning they flower based on the age of the plant, rather than waiting for seasonal changes. Hence the name “Auto”. They are fast, and yield good amounts of cannabis – something you need to consider even if you’re a commercial grower.

But, first off, before deciding if something is worth the effort, you need to understand the advantages and disadvantages. This will help you figure things out and make a decision. Note that this comparison is between photoperiod or regular cannabis plants and autoflowers. Thus, if you’re already growing traditional cannabis varieties now, this comparison will help you understand if you can start growing autos as well.

Pros of autoflowers

1. Grows fast

Autoflowers are as rapid as you can expect. Most autos complete their entire cycle including vegetative and flowering stage in a matter of 10-11 weeks. It simply cannot get faster than this. Many growers love growing cannabis plants, but not many have the patience to wait for plants that take about 5 months or 20 weeks to harvest buds. If you’re one of those growers, autos are tailored for you.

Many people grow cannabis because they are passionate about it, but there comes a time when you have to consider whether it’s worth all the effort. Autofl

9 Mistakes to Avoid When Growing Autoflowering Cannabis

Autoflowers have always sparked debates among growers in the cannabis community. Due to a dearth of knowledge or experience, many growers avoid growing autoflowers. Beginners are expected to only grow photoperiod plants, and while the fear of something new and unexpected is understandable, you might discover something more amazing if you just try.

Autoflowers are really easy to grow but there are basic guidelines you should know, just like when growing other plants or vegetables. All plants are different and even though your can successfully harvest the first time you grow cannabis, there are common mistakes that are better to avoid.

1. Knowing the basics

To set things straight, let’s begin by saying that autoflowers are really easy to grow. In fact, beginners can try growing autoflowers with little to no experience as long as they understand the basics 1 .

And this is true for all plants. Can you expect to grow tomatoes if you’re clueless about using nutrients? Or, can you harvest cucumbers if you don’t even know when to harvest them? No? Similarly, autoflowers need you to follow a few basic guidelines like other plants, and you’ll do just fine if you take the time to understand them.

After all, a plant that gives you lip-smacking buds in just 2 months deserves some research, eh? Autoflowers may scare you at first, but if you avoid a few common mistakes, you’ll harvest much more than you can imagine, and it only gets better.

2. Time it right

Timing is everything if you’re planning to grow autoflowers outdoors. Since autoflowers don’t depend on light to flower, you don’t need to worry too much. But, planting too early will generate smaller yields and planting too late affects yields too.

Frost must be avoided at all costs. Typically, most growers begin planting when spring is just around the corner. Depending on where you live, you can plant the seeds as soon as the frost clears. If you reside in a location that doesn’t receive any snow, go ahead and plant when the temperatures range between 22°C to 25°C (71°F to 77°F).

Bigger plants can tolerate much higher temperatures but tender seedlings will succumb to extreme temperatures. Remember to avoid rainy seasons since the plant doesn’t receive too much light. Of course, the timing doesn’t matter if growing indoors, so sow those seeds whenever you wish!

3. Germination

For beginners, germinating the seeds is an important part of the entire process. To get better results, soak the seeds in plain water for at least 24 hours and wrap them in moist paper towels for a day or two. Use a ziplock bag to store the towels.

It’s important to keep the towels moist because the seeds can rot if there’s too much water. Similarly, the seeds won’t sprout if the towels are completely dry. Don’t make the mistake of directly planting the seeds, especially if you’re doing it for the first time. Once the seeds show a tap root, plant the seeds in the final container.

Despite having to keep the seeds in damp paper towels, make sure they are not completely wet, too much water can rot the seeds. The best way to identify this is by smell if the paper towels start to smell like mold, immediately take them out and change the towels.

Depending on your experience, you can also germinate your seeds directly in the medium, just make sure you’re not overwatering it because you can end up drowning your seeds. As you can see in the video, germinating in the soil is easy and doesn’t require anything extra, just be careful and you’ll see a seedling coming out of the ground in a couple of days.

4. Choose the right medium

Growing plants in hydroponic setups seem very cool, but soil is your best bet if you have no experience. Avoid using clay soils that clump up because autoflowers thrive in well-aerated soil. A soilless medium of equal parts of peat moss or coco peat, perlite, some airy soil, and sand is the best potting mix for autoflowers.

If you don’t want to bother about fertilizing at all, you can even try growing autoflowers organically. There are various ways to make your own organic soil, but you can buy some in your local store to start with. Organic soil is premised with nutrients, so it’s ideal for someone that doesn’t have a lot of time. For growers that don’t mind putting in the efforts, composting and building super soil is the best soil mix for autoflowers.

If growing outdoors, till the soil well and amend it with organic nutrients to produce a happy, healthy plant. But, no matter what you do while growing indoors, stay away from old used soil or sterilize it before you plant seeds to prevent diseases.

5. Choose good containers

Please don’t stuff seeds in plastic containers that make life hell for the poor roots. Use porous containers such as fabric pots or even Airpots to help the plants grow as much as possible. Autoflowers are typically small, but they need containers that are at least 5-8 liters in size.

Bigger autoflowers need bigger containers, so make sure you check the description before purchasing seeds. Root aeration is often overlooked, but it’s an important factor in determining your yields.

The appropriate pot size can also help you control the height of your cannabis plants, usually, a 12L pot will allow your plant to develop to its maximum, an auto in a 7L pot will grow up to 70cm and in a 3L pot will grow around 40cm.

6. Do not transplant

It’s important to start autoflowers in their final containers rather than planting them in smaller ones and transplanting them later. Sure, growing cannabis is like growing tomatoes, but autoflowers have a limited time period and can’t afford to lose days while the plant settles and searches for roots.

Some growers use small plastic cups to plant seeds. While this method may work with photoperiod plants, it’s not recommended for autoflowers. If you’re already committed the mistake of planting them in small containers, try to transplant the plant only when the soil is moist. If the soil is too wet, the roots tend to break, and if it’s too dry, transplanting becomes a pain.

Of course, experienced growers do transplant autoflowers but it’s not really necessary.

7. Over and under-watering

Most plants die if you over or under-water them. Yes, autoflowers need water to grow, but it’s critical to supply it only when the plant needs it. It’s obvious that the timing is important even when the plants need water.

A way to check if the soil is dry is to use your index finger and stick it in the soil, if it comes out moist then the soil is still humid, although by doing this you won’t be able to know if the bottom is still wet so in order to get the timing right, lift the pots and check the weight.

A dry pot will be easy to lift whereas container with lots of water will be heavy. The trick is to not let the soil go too dry or too wet, so water the plants only when the pot isn’t too heavy or light.

8. Overfeeding and underfeeding

Nutrients play a big role in growing autoflowering cannabis strains. Autoflowers are compact, so they don’t need loads of nutes in order to survive. In fact, autoflowers grow best when light fertilizers are used. It’s also important to feed the right nutrients at the right time.

Macro and micronutrients

For example, cannabis needs more nitrogen in the vegetative stage. In the pre-flowering stage, nutrients with more phosphorous are preferred, and in the flowering stage needs a lot more potassium than nitrogen or phosphorous.

If you’re wondering what the term “N-P-K” printed on fertilizer bags means, it’s nothing but Nitrogen-Phosphorous-Potassium. The plants also need other micronutrients along with calcium and magnesium, so it’s extremely important to get the dosage right.

Don’t make the rookie mistake of using Miracle Grow or any other fertilizer meant to grow vegetables. Autoflowers will grow well even if you do that, but since they have special needs, you might as well stick to nutrients that supply everything. From humic to fulvic acid to enzymes, you can do a lot to make the plants perform to the best of their potential.

Talking about nutrients, some growers try to make their own nutes. While it’s completely okay to do so, you should avoid doing it if you’ve never done that before. Nutrients are expensive and it’s tempting to make your own, but try to attempt that after you’ve gained some experience.

Why? Because cannabis plants require a good blend containing all micro and macronutrients in exact concentrations to thrive. It’s not as simple as diluting a random fertilizer and feeding the plants. You not only risk burning the plants, but the yields will suffer drastically since the plants have no time to recover.

PH levels

So, if it’s your first time, stick to commercial nutrients. And, the topic on nutrients is incomplete if you don’t talk about pH. Depending on the medium 2 you choose to grow, the pH must be regulated accordingly. Cannabis plants love acidic soil, so the pH must be maintained between 5.5 to 7 in both soil and hydroponic setups.

If the pH drops below 6, the roots will not be able to intake vital nutrients such as magnesium, calcium, and phosphorous. Similarly, if the pH is too alkaline and goes above 7.5, the roots cannot take up micronutrients like copper, manganese, boron, etc. It’s very important to regulate the pH at all times to prevent nutrient deficiencies.

Here’s a quick table to help you understand pH better:

Nutrient Ideal PH Level for Absorption
Nitrogen 6.0-8.0
Phosphorus 6.5-7.5
Potassium 6-8
Calcium 6.5-8.5
Magnesium 6-8.5

Sometimes, it just so happens that the plant refuses to respond even if you’ve done everything. In such cases, flush the plants with lots of water (at least double or triple the size of the container) to reduce any nutrient or salt buildup so that the plants can breathe again. Flushing is typically done at the end, but it doesn’t hurt the plant even if you do it in between because it reduces buildups to a good extent.

Some growers also flush during the pre-flowering stage, when the plants are transitioning from the vegetative into the flowering stage so they can start feeding from zero, as said above, this won’t hurt your plants but should be done properly.

9. Harvest at the right time

You’ve come all this way, and the end is almost near, so don’t screw this up now! Now you’re probably asking “how to tell if my autoflower is ready for harvest?” Well, after you’ve put in all the hard work, wait for the right time. Growers use microscopes to check the trichomes that usually indicate the right time, but you can harvest when at least 50 to 70 percent of the pistils are amber in color.

If you wait too much, the buds tend to produce a couch-lock effect leaning more towards the Indica side while buds harvested too early generate unpleasant psychoactive effects. Also, the main colas ripen faster than the lower portions of the plant.

Often referred to as popcorn buds, the lower portions stay small. However, harvesting the main colas and leaving the popcorn buds on the plant for a week more will increase yields dramatically. Be patient, and let Mother Nature do the rest for you! If you avoid these common mistakes when growing autoflowering cannabis, you’ll soon be rewarded with potent resinous buds that will last a long time if stored properly.

10. In conclusion

Autoflowers are suited for beginner growers but it’s crucial you know the basics if you want to have a successful harvest the first time you grow cannabis, although you can learn as you go, it can be disappointing if you waste time and money, and end up with nothing to smoke.

If you’ve never grown cannabis before and are planning on growing our autos, feel free to ask us anything in the comment section below!

This post was most recently updated on August 04, 2020.

Autoflowers are easy to grow but it's essential you know the basics before starting, avoiding this 9 mistakes will help harvest your first grow cycle.