The yield of a cannabis plant, or the amount of dried buds harvested, is influenced by various factors such as genetics, temperature, light, water, and nutrients. The yield is typically measured in grams or pounds, specifically referring to the dry weight of the buds rather than the entire plant or wet buds.
On average, an indoor-grown cannabis plant can produce 1-2 ounces of dried buds, while an outdoor plant can yield about 1/4 to 1/2 pound or 112 to 224 grams. However, these estimates can vary based on multiple factors, and it's challenging to predict the exact yield.
Characteristics | Values |
---|---|
Average yield per plant | 1-2 ounces of dried bud |
Average yield per plant (outdoor) | 1/2 pound of buds (224g) |
Average yield per plant (indoor) | 1/4 pound of buds (112g) |
Average yield per plant (indoor, hydroponic system) | 1400-1500 grams (3.08 to 3.3 pounds) |
Average yield per plant (outdoor) | 1 to 3 pounds of dried cannabis buds |
Average yield per plant (indoor) | 4-6 ounces per plant |
Average yield per plant (600W LED panel) | 600 grams per plant in dry buds |
Average yield per plant (1000W LED panel) | 1000 grams per plant (2.2 pounds) |
Average yield per plant (1000W LED panel, hydroponic system) | 1400-1500 grams (3.08 to 3.3 pounds) |
What You'll Learn
- Indoor vs. outdoor yield
- Yield per watt of light
- Yield per plant
- Yield per growing medium
- Yield per strain
Indoor vs. outdoor yield
The yield of a cannabis plant is the final amount of bud you get from the plant after harvest, and it is typically measured in grams. The yield will differ depending on whether the plant is grown indoors or outdoors.
Indoor Yield
When growing cannabis indoors, the yield is often measured in grams per square meter (g/m²). Plants commonly fall between 400 and 500g/m². The size of the pot will have an effect on the final yield. A bigger pot means a bigger potential harvest, as it allows for more space for the roots to grow, which will encourage more growth above the ground. However, bigger plants need more water, nutrients, light, and space. The average grower will use an 11-litre pot, which will allow a plant to reach about 90cm—a good size, especially for indoor growing.
The wattage of the lights being used will also influence the yield. A rough estimate is that for every watt of light, you can expect to get one gram of weed back. So, for example, a 600W light would yield around 600g.
Outdoor Yield
When growing outdoors, the yield is typically measured in grams per plant. A typical yield per outdoor cannabis plant can range from 1 to 3 pounds of dried cannabis buds. However, the yield will depend on various factors, such as weather patterns and the presence of pests or disease.
Factors Affecting Yield
There are several factors that will determine the yield of a cannabis plant, whether it is grown indoors or outdoors. These include:
- Genetics: The genetics of the strain can play a significant role in determining the final yield. Some strains naturally produce more buds than others, and some are more resistant to pests and diseases.
- Growing medium: The substance in which the cannabis plant grows and develops its root systems can impact the yield. It is suggested to use high-quality soil with the right organic matter and balanced nutrient content or a well-set hydroponics system.
- Nutrients and fertilizers: Providing the right nutrients and fertilizers is essential for producing a high yield.
- Light: Providing adequate light during each stage of growth is crucial for cannabis plants.
- Temperature and humidity: The temperature and humidity levels in the grow space significantly impact the health of the plants and their yield.
- Training and pruning techniques: Techniques such as topping, pruning, trimming, low-stress training (LST), and high-stress training (HST) can increase yield and improve light penetration, leading to larger buds.
- Pest and disease control: The presence of pests and diseases can affect the yield.
- Harvest timing: The timing of the harvest can also determine the ultimate yield.
Yield Estimates
On average, an indoor-grown cannabis plant can produce 1-2 ounces of dried bud, while an outdoor plant can yield about 224g. However, these are rough estimates, and actual yields can vary widely depending on the factors mentioned above.
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Yield per watt of light
For example, if you have a 600W light and harvest 600 grams of bud, you are yielding 1 gram per watt. If you only harvested 300 grams, it means you got 0.5 grams/watt. Even 0.5 gram/watt is considered a good yield.
With a 600-watt HPS light, the best you could possibly hope for is around 1-1.5 lbs of cured and dried cannabis (3’x3’ canopy). With a 1000-watt single-ended HPS light, it’s possible to get upwards of 2 pounds with the proper environment, genetics, substrate management, and feeding intensity.
The highest-yielding types of grow lights are HPS, LEDs, and LECs. HPS consistently gets incredible yields, especially in the 600W size, which is the most efficient. LEDs give you a much bigger range of results. The worst LEDs get only a fraction of the yields you’d get with an equivalent wattage HPS. But some LEDs like the Electric Sky 300 seem to consistently beat HPS when it comes to yields per watt.
The upper limit of 1 gram/watt is typically used within the growing community. This means that for every watt of light you give your plants, you can hope to get 1 gram of weed back. So the average yield per plant under a 600W light would be 600g. Aiming for this, especially as a novice, is very optimistic. More realistically, aim for around 0.5 grams/watt, and you’ll have a better idea.
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Yield per plant
Indoor Yield
Indoor marijuana growers usually use professional grow lights, such as LED grow lights. A general rule of thumb for expected yield is to harvest one gram of cannabis for every watt of light. For example, a 1000-watt LED panel could yield a maximum of 1000 grams or 2.2 pounds per plant.
The hydroponics system is believed to increase yields by 40-50% compared to soil-grown cannabis. So, if you have a 1000-watt LED panel, you can expect to harvest 1400-1500 grams or 3.08 to 3.3 pounds of dried buds with this system.
On average, an indoor-grown cannabis plant can produce 1-2 ounces of dried bud, although actual yield depends on multiple factors. Experienced growers may be able to achieve even more, with yields of 4-6 ounces per plant.
Outdoor Yield
Compared to indoor growing, outdoor growing tends to have more uncontrollable factors and is therefore more difficult to predict. A typical yield per outdoor cannabis plant can range from 1 to 3 pounds of dried cannabis buds. However, some growers may achieve higher yields, and others may experience lower yields due to factors such as weather and the presence of pests or disease.
When growing outdoors, it's not uncommon for plants to get massive, and you may get closer to a pound per plant or more.
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Yield per growing medium
The yield per growing medium is influenced by several factors, including the growing environment, plant genetics, and cultivation techniques. Here is an overview of the key factors affecting yield in different growing mediums:
Outdoor Growing
Outdoor growing offers several advantages that can contribute to higher yields. Plants grown outdoors can usually attain massive sizes due to the lack of space restrictions. Additionally, they benefit from the abundant natural sunlight, which is a crucial factor in determining yield. The combination of ample space and sunlight enables outdoor plants to achieve yields of up to half a pound of buds or approximately 224 grams per plant.
However, it is important to note that these estimates are for healthy plants, and the actual yield may vary depending on various factors. The local climate, temperature, humidity, and soil quality all play a role in determining the final yield. Additionally, the timing of planting and the duration of the growing season can significantly impact the yield.
Indoor Growing
Indoor growing presents certain limitations compared to outdoor cultivation. Space constraints, particularly in grow tents, can restrict plant size. Additionally, the intensity and type of grow lights used can affect yield. Less powerful grow lights may not provide sufficient light for optimal growth, while more powerful lights can be costly.
The dimensions of the indoor growing area will dictate the number of plants that can be accommodated, with most home growers opting for grow tents. The size of the pots used will also influence the overall yield, as larger pots allow for bigger plants. For indoor growing, the yield is typically measured in grams per square meter, and plants generally produce between 400 and 500 grams per square meter.
Hydroponics
Hydroponics is an alternative growing medium that offers several benefits. This method involves growing plants in a water-based solution rich in nutrients, providing more efficient nutrient uptake. As a result, hydroponics can increase yields by up to 20% compared to traditional soil-based cultivation. However, it also presents challenges and requires a more complex setup.
Training Techniques
Various training techniques can be employed to maximize yield per growing medium. These techniques aim to optimize space and increase yields, such as the Sea of Green (SOG) method, which involves growing multiple short plants with short main colas. Topping and fimming are high-stress training methods that involve cutting or pinching the main growing tip to encourage bushier growth. Mainlining and lollipopping are advanced techniques that promote the growth of large buds at the ends of branches.
Low-Stress Training (LST) is a beginner-friendly technique where stems are bent and tied down during vegetative growth to manipulate horizontal growth. The Screen of Green (ScrOG) method utilizes a mesh screen to control plant growth, keeping only the main colas under the light to maximize bud production. These training techniques can significantly impact yield, but they may require more advanced skills and a careful approach to be effective.
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Yield per strain
Green Gelato
Green Gelato is a highly productive strain that features 55% indica and 45% sativa genetics. It produces compact and nugget-like buds, which are relatively small but are pumped out in massive quantities. Indoor plants reach a medium height of 2.6–3.9 feet and do well even in small grow tents. Outdoor plants can reach up to 78 inches when grown in large containers and raised beds. These tall plants are capable of producing up to 28.2 oz per plant.
Amnesia Haze
Amnesia Haze is a well-known strain that smokers from all generations seek out for its motivating high and delicious flavors. It features 70% sativa genetics and a tall and majestic morphology. Indoor plants peak at 54.6 inches, while outdoor plants can tower at the height of 81.9 inches. Outdoor plants can produce a huge yield of 24.7 oz per plant, while indoor plants will produce up to 22.9 oz/m².
Shogun
Shogun is a mighty sativa that will give you a crystal clear cognition, rational and philosophical thinking, and unrivalled motivation. It boasts high THC levels, incredible taste, and a yield that will keep you very busy come harvest time. Shogun inherited the best traits from its parent strains, Amnesia Haze and Gorilla Glue 4, and emerged with 70% sativa and 30% indica genetics. Indoor plants reach a height of 54.6 inches, while outdoor plants can surge to a height of 74.1 inches. Grown indoors, Shogun can produce up to 21.2 oz/m², while outdoor plants can yield up to 26.5 oz per plant.
Skunk XL
Skunk XL is a fascinating spin on Skunk genetics, combining the sensations of the original strain with enhanced yields. It maintains a relatively small size, with indoor plants reaching 2–3.3 feet and outdoor specimens growing to taller heights of 160–78 inches. Despite its small size, Skunk XL yields impressively, with indoor plants producing up to 22.9 oz/m² and outdoor plants yielding up to 23.8 oz.
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Frequently asked questions
On average, an indoor-grown cannabis plant can produce 1-2 ounces of dried bud, while an outdoor plant can produce around 4 ounces. However, these numbers can vary greatly depending on various factors such as genetics, temperature, light, water, and nutrients.
The yield of a weed plant is influenced by genetics, temperature, light, water, nutrients, growing techniques, and pest and disease control, among other things.
Cannabis yield is typically measured in weight, such as grams or pounds, specifically referring to the dry weight of the harvested buds rather than the weight of the entire plant or wet buds.
While pot size can affect the overall size of the plant, it is not the only factor that determines bud size. Other factors, such as light, nutrients, and growing techniques, also play a significant role.
Technically, you can harvest one bud at a time, but it is not recommended as it can be inefficient and time-consuming. It is best to wait until the majority of the buds are mature to maximize yield and minimize the time spent on the harvesting process.