How Much Does One Marijuana Plant Yield?
One of the most popular questions regarding marijuana is “How much can I expect to get?” or “How much usable marijuana will a single marijuana plant yield?” There are no simple answers to this question as each situation depends on a number of variables.
Many people take up growing weed and they have a variety of reasons for doing so. In every case, you want to get the most out of your crop. Whether you’re growing for medical reasons or you just want to make a little money on the side, the overall yield is a top priority for all growers. Here are some tips to get the most out of your garden.
Growing Indoors and Marijuana Plant Yield:
Lights are of the utmost importance when you’re growing indoors. Experienced growers can produce about a gram of marijuana per watt of light (1 gram = 0,035 oz). So, a 400-watt HPS lamp can potentially translate to 400 grams or 14 oz of usable cannabis. Likewise, a grow room with 1200 watts of light will produce 1.2 kilograms or 42 oz of cannabis. Having the right equipment, adequate nutrient solutions, beneficial air quality, and other valuable factors is important for producing the highest yields. Making sure the plants have space to grow is also key. Beginners can expect to see a marijuana plant yield grass as follows:
- An average of around 1.5 to 2.0 oz (3.5 oz for advanced growers) with 200-watt CFL lamps in a grow cabinet that measures 3.5 x 1.5 x 6.5 ft.
- An average of around 3.0 to 5.0 oz (9.0 oz for advanced growers) with a 250-watt HPS lamp in a grow cabinet that measures 3.5 x 1.5 x 6.5 ft.
- An average of around 4.5 to 9.0 oz (14 oz for advanced growers) with a 400-watt HPS lamp in a grow room that measures 3.5 x 3.5 x 7 ft.
- An average of around 5.0 to 10 oz (21 for advanced growers) with a 600-watt HPS lamp in a grow room that measures 4 x 4 x 8 ft.
- An average of around 250 to 500 grams (1000 for advanced growers) with a 1000-watt HPS lamp in a grow room that measures 5 x 5 x 8 ft.
- An average of around 40 to 60 grams (100 for advanced growers) with 200-watt CFL lamps in a grow cabinet that measures 1 x 0.5 x 2 m
- An average of around 80 to 150 grams (250 for advanced growers) with a 250-watt HPS lamp in a grow cabinet that measures 1 x 0.5 x 2 m
- An average of around 100 to 250 grams (400 for advanced growers) with a 400-watt HPS lamp in a grow room that measures 1 x 1 x 2.5 m,
- An average of around 150 to 300 grams (600 for advanced growers) with a 600-watt HPS lamp in a grow room that measures 1.2 x 1.2 x 2.5 m.
- An average of around 250 to 500 grams (1000 for advanced growers) with a 1000-watt HPS lamp in a grow room that measures 1.5 x 1.5 x 2.5 m.
Individual Plant Yield
Indoor growth doesn’t bring with it a lot of certainty in terms of yield per plant. If you have only four plants per lamp, then you’ll yield much more than you would with total of sixteen plants for every lamp. You should consider these things prior to choosing how many plants you want to grow:
- If you’ve only got 4 plants, your crop will be ruined if even one gets a disease or dies
- Vegetative growth lasts longer with only four plants. You should want to force flowering when the tips of the leaves are touching. If there are more plants, the leaves touch quicker.
- Four plants are easier to manage than sixteen.
- If someone catches you, you only have four plants to your name.
Either way, growing four plants using a 600-watt HPS lamp could produce about 150 grams or 5.0 oz per plant. Sixteen plants that are grown under a 600-watt HPS lamp could produce about 37.5 grams or 1.3 oz of marijuana per plant.
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Under perfect, outdoor conditions, you can expect yields to extend to 500 grams or 17.5 oz per plant. Space is a necessity (at least two meters) along with water, nutrients, and a dearth of pests and diseases. If you use containers, they should be at least 50 liters or 15 gallons in size. It’s a good idea to germinate the seeds early on to allow the plants time to grow large. It’s best to germinate indoors where you can manage the humidity and the temperature for the seedlings. Again, 500 grams (17.5 oz) per plant is possible if everything goes as planned.
Aside from an adequate amount of sun, water, and nutrient quality, the actual genetics of the plant play a very important role. Seeds are vital and you need to have some exceptional seeds at your disposal. You can look through our marijuana seed shop to find the a strain that’s right for you. It all starts with genetics….
Want to know more about growing and variables of marijuana plant yield? Get your free copy of ‘The Marijuana Grow Bible’ by Robert Bergman at this link here.