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Autoflowers – Best Soil to Grow Autoflower

What are Autoflowers?

Autoflowers are a type of cannabis plant that flowers automatically. They don’t need a specific light cycle to flower and will begin flowering on their own accord about 3-4 weeks after germination. Autoflowers are typically smaller than regular cannabis plants due to their accelerated life cycle, but some autoflowering strains can get quite large.

Autoflowers are popular among growers because they’re easy to grow and don’t require as much attention as regular cannabis plants. They’re also a good option for stealth growing since they don’t need a lot of space or equipment. In other words, if you can`t buy weed seeds online, you can opt to buy autoflowers and maximize on their benefits. 

The best soil for autoflowers is a lightweight, well-draining mix. Some growers prefer to use coco coir instead of soil, which is also a good option. Autoflowers don’t need as many nutrients as regular plants, so it’s best to use a light hand when fertilizing.

What are the Benefits of Growing Autoflowers?

If you’re thinking about growing autoflowers, you may be wondering what the benefits are. Here are some of the top benefits of growing autoflowers:

  • They’re easy to grow. Unlike regular plants that need a specific light cycle, autoflowers can be grown with just about any light schedule. This makes them ideal for beginner growers or those with limited space and time.
  • They’re fast. Autoflowers tend to flower faster than regular plants, meaning you can get more harvests in a shorter amount of time.
  • They’re resilient. Autoflowers are known for being tough and resilient, able to handle stress and adverse conditions better than regular plants. This makes them ideal for challenging growing environments.
  • They produce high-quality flowers. Despite their smaller size, autoflowers can produce high-quality flowers with strong aromas and potent effects.

What is the Best Soil for Autoflower Growth?

The answer to this question depends on a number of factors, including the climate in which you are growing your autoflowers, the type of autoflower you are growing, and your personal preferences.

If you are growing autoflowers in a climate with hot summers and cool winters, then a soil mix that is high in organic matter will be best. This will help to retain moisture and keep the roots cooler during the hot summer months. A good quality potting mix or garden soil should be fine.

If you are growing autoflowers in a cold climate, then a soil mix that is lower in organic matter will be best. This will help the roots to stay warmer during the cold winter months. A good quality sand or gravel should be fine.

Your personal preferences will also play a role in determining the best soil for your autoflowers. If you prefer a lighter soil mix, then something like perlite or vermiculite can be added to increase drainage and aeration. If you prefer a heavier soil mix, then adding some clay can help to increase water retention.

Tips for Preparing Soil for Autoflower Growth

When it comes to growing autoflowers, the type of soil you use can make a big difference in the overall health and yield of your plants. While autoflowers are relatively easy to grow, they do have specific needs that should be taken into account when choosing and preparing soil for them. Here are some tips to help you get the best results when growing autoflowers in soil:

  • Choose a high-quality, well-draining potting mix. Autoflowers are sensitive to overwatering, so a mix that drains well is essential. Look for mixes that contain perlite or vermiculite to help with drainage.
  • Amend your soil with organic matter. Autoflowers need plenty of nutrients to thrive, so adding compost or other organic matter to your soil will help give them a boost.
  • Avoid using chemical fertilizers. These can be too harsh for autoflowers and can cause problems with their growth. Instead, opt for an all-natural fertilizer like fish emulsion or seaweed extract.
  • Make sure your pots have adequate drainage holes. Again, because autoflowers are sensitive to overwatering, proper drainage is essential. Make sure your pots have at least one hole per gallon of pot size (i.e., a five-gallon pot should have five holes).

By following these simple tips, you can ensure that your autoflowers have the best

How to Fertilize and Water your Autoflowers

Autoflowers are one of the easiest plants to grow, and they don’t require much in the way of fertilization or watering. However, there are a few things you should keep in mind when growing autoflowers to ensure they thrive.

When it comes to fertilizing autoflowers, less is more. Autoflowers are small and delicate, and too much fertilizer can burn them. If you’re using a chemical fertilizer, start with half the recommended dose and work up from there if needed. With organic fertilizers, it’s even easier – just add a small amount to your soil before planting, and then top dress with a light layer of compost every few weeks during the growing season.

As for watering, again, less is more. Autoflowers don’t like “wet feet” and will quickly develop root rot if they sit in soggy soil. Water deeply but infrequently, letting the soil dry out between watering. In general, autoflowers need about half as much water as regular flowers.

With these tips in mind, you should have no problem growing healthy and vibrant autoflowers!

Indoor vs Outdoor Growing

When growing autoflowers, you may be wondering whether it’s better to grow them indoors or outdoors. There are pros and cons to both methods, and ultimately it comes down to personal preference.

Indoor Growing:


  • You have more control over the growing environment, which can lead to higher yields.
  • You can avoid bad weather and pests.
  • It’s easier to keep an indoor grow operation discreet.


  • You need to invest in growing lights and other equipment.
  • It can be more expensive to power an indoor grow operation.
  • You need a larger space for an indoor grow room.

Outdoor Growing:


  • Auto flowers don’t need as much light as other plants, so they can thrive in partial shade.
  • Outdoor growing is generally less expensive than indoor growing. 


  • You have less control over the environment, which can lead to lower yields. 
  • Pests and bad weather are more of a risk outdoors. 
  • Discreetness is more difficult to achieve with an outdoor grow operation.

Troubleshooting Common Problems with Growing Autoflowers

If you’re having problems with your autoflowers, there are a few things you can do to troubleshoot the issue.

First, check the pH of your soil. Autoflowers prefer a slightly acidic soil, so if the pH is too high or too low, it can cause problems. You can adjust the pH with lime or sulfur, depending on what it needs.

Next, make sure you’re giving your autoflowers enough light. They need at least 18 hours of light per day to thrive. If they’re not getting enough light, they may become etiolated, or stretchy.

Finally, check your watering schedule. Autoflowers are susceptible to root rot, so it’s important to not water them too often. Allow the top inch or two of soil to dry out before watering again. If you’re still having problems after troubleshooting these issues, there are a few other things you can try, like adding more aeration to the soil or using a different type of fertilizer.


Autoflowers are a great way to get the most out of your cannabis plants with minimal effort. When it comes to choosing the best soil for growing autoflowers, there is no one-size-fits-all solution. By taking into consideration factors such as drainage and nutrient levels, you can find the perfect soil for your needs so that your auto flowers have everything they need to thrive. With these tips in mind, you will be able to ensure that your autoflower garden is nothing short of spectacular!

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