Maximizing Autoflower Cannabis Yields: 10 Tips and Tricks

9 April 2023

Autoflower cannabis strains are popular among growers due to their fast growth and shorter flowering time. However, some growers may be concerned about their lower yields compared to photoperiod strains. Fortunately, there are several tips and tricks that can help increase the yield of autoflowers. Here are ten tips to get bigger yields from autoflowers:

1. Choose the Right Strain

The first step in achieving bigger yields is to choose the right autoflower strain. Some string naturally produce high yields than others, so research the different trains available and choose one that is known for its high yield. Consider factors such as the plant genetics, growth habits, and the environmental conditions required for optimal growth. We have prepared the top of the most productive autoflowering cannabis seeds, which we will tell you about later.

2. Start with Quality Seeds

Starting with high-quality seeds is important for achieving a successful grow. Look for seeds from reputable breeders and ensure they are fresh and viable. Check the seed’s color and texture to ensure they are healthy, and avoid seeds that are green, white, or cracked.

3. Provide Adequate Light


Providing adequate light is crucial for the growth and development of your autoflower cannabis plants, as it directly affects their yield. In general, autoflowering strains prefer a minimum of 18 hours of light per day, with 20 hours being optimal. You can achieve this by using high-quality LED grow lights, which provide the necessary spectrum of light for cannabis plants while using less energy than other types of grow lights.

Related Post: The Best Cannabis Seeds


When setting up your grow lights, it’s important to position them at the right distance from your plants to ensure they receive the right amount of light without burning. Generally, you should aim to keep your lights about 12-18 inches (30-45 cm) above your plants during the vegetative stage and 8-12 inches (20-30 cm) during the flowering stage.

Additionally, it’s important to maintain a consistent light schedule throughout the entire growing process. Avoid changing the light cycle abruptly or frequently, as this can cause stress to your plants and affect their overall yield. By providing adequate and consistent light, you can help ensure that your autoflower cannabis plants produce healthy and abundant yields.

4. Provide Proper Nutrients

Providing your plants with the proper nutrients, including nitrogen, phosphorus, and potassium, is essential for healthy growth and maximum yield. Be sure to follow a balanced nutrient regimen and avoid overfeeding, which can harm your plants. Look for fertilizers that are specifically designed for autoflower cannabis plants, as they contain the right balance of nutrients and trace elements.

5. Use High-Quality Soil

Using high-quality soil is important for healthy plant growth and maximum yield. Look for soil that is rich in nutrients and has good drainage. Avoid using soil that is too heavy, as this can prevent proper root growth and nutrient absorption.

Consider using soil mixes that contain coco coir, perlite, or vermiculite, as these materials help to improve drainage and increase oxygen flow to the roots.

6. Use Training Techniques

Using training techniques can be an effective way to increase yields in autoflower cannabis plants. One popular technique is low-stress training (LST), which involves gently bending and tying down the stems and branches of your plants to create an even canopy and encourage the growth of multiple bud sites. This can help increase overall yield while also improving the quality of your buds.

Another training technique to consider is topping, which involves cutting off the top of your plant to encourage lateral growth and the development of multiple colas. This can be particularly effective in autoflower strains that tend to have a single main cola.


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It’s important to note that training techniques should be used with caution and only during the vegetative stage of growth. Avoid training your plants during the flowering stage, as this can cause stress and negatively affect your yield.

Overall, using training techniques in combination with other best practices like providing adequate light and nutrients can help you achieve larger yields from your autoflower cannabis plants.

7. Defoliate Your Plants

Removing some of the lower leaves and branches of your plants can help to increase yield by improving light penetration and airflow. Be sure not to overdo it and only remove what is necessary.

By removing the lower leaves and branches, you can redirect the plant’s energy to the top of the plant, where the buds are located. This helps to promote bigger buds and a higher yield.

8. Maintain Proper Temperature and Humidity

Temperature and Humidity Cannabis Seeds

Maintaining proper temperature and humidity levels is critical for achieving bigger yields in autoflower cannabis plants. Temperature and humidity can affect the growth, development, and overall health of your plants, so it’s important to keep these factors in mind throughout the growing process.

The ideal temperature range for autoflower plants is between 18-26°C (65-80°F) during the day and 15-20°C (60-68°F) at night. Temperatures that are too high or too low can cause stress and slow down growth, which can ultimately lead to smaller yields. It’s important to keep in mind that temperature fluctuations can also be detrimental to your plants, so try to maintain a consistent temperature throughout the day and night.

Humidity levels should also be carefully monitored and controlled. During the vegetative stage, humidity levels should be kept between 40-70%. During the flowering stage, humidity levels should be gradually reduced to 40-50% to prevent mold and mildew growth on your buds.

To maintain proper temperature and humidity levels, consider investing in a quality thermometer and hygrometer to monitor conditions in your growing environment. You may also want to consider using a dehumidifier or humidifier to regulate humidity levels as needed.

Overall, by maintaining optimal temperature and humidity levels, you can ensure that your autoflower cannabis plants grow healthy and strong, leading to bigger yields at harvest time.

9. Harvest at the Right Time

Harvesting your plants at the right time is crucial for achieving maximum yield and potency. Harvest too early, and the buds may not have fully developed, resulting in lower yield and potency. Harvest too late, and the buds may have started to degrade, resulting in lower potency and quality.

To determine the right time to harvest, look for the pistils on the buds to turn from white to a darker color. Additionally, use a magnifying glass to check the trichomes on the buds. When they are mostly cloudy or amber in color, it’s time to harvest.

10. Proper Drying and Curing

After harvesting your plants, it’s important to dry and cure them properly to maintain their potency, flavor, and aroma. Hang your plants upside down in a cool, dark, and well-ventilated area to dry for 7-10 days. Once dry, trim off the excess leaves and place the buds in an airtight container to cure for at least two weeks.

During the curing process, open the container daily to release any excess moisture and check for mold or mildew. After two weeks, your buds should be fully cured and ready for consumption.

In conclusion, increasing the yield of your autoflower cannabis plants is possible with the right techniques and methods. By choosing the right strain, starting with quality seeds, providing adequate light and nutrients, using proper soil and training techniques, maintaining proper temperature and humidity levels, harvesting at the right time, and properly drying and curing your buds, you can achieve bigger yields and a higher quality harvest.

Top Highest Yielding Autoflower Strains

Gorilla Glue Auto (Barney’s Farm)

This plant provides a plentiful yield, which will allow you to enjoy it for an extended period. When grown in regulated indoor conditions, it produces a bountiful 600g/m² (1.97oz/ft2). Even with outdoor cultivation, you can expect to see numerous sizable buds. However, be cautious of mold and chilly weather, as they may impact your yield, which can reach up to approximately 800g (28oz)/plant.

Godzilla Cookies Auto (Herbies Seeds)

Both novice and professional cultivators value Godzilla Cookies Auto because of its ease of growth and ability to yield up to 600 g/m² (2 oz/ft²) indoors. One might assume that cultivating huge harvests would require a significant amount of time, but this is not the case for Godzilla Cookies Auto. This strain completes its blossom period in just 70-75 days.

Forbidden Runtz Auto (FastBuds)

Ideal for growers who are in a hurry, Forbidden Runtz Auto is an autoflowering strain that can be harvested after only 9 weeks of growth. This makes it a perfect choice for year-round indoor cultivation or outdoor cultivation in regions with shorter summers. Although it has a short structure, this cannabis strain is capable of producing moderate quantities of high-quality buds. Indoor cultivation can yield up to 550g/m2 (1.8oz/ft2), while outdoor yields can reach 150g (5oz) per plant.

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