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how much weed can you grow with one seed

However, even though they produce smaller yields, autoflowers are faster and generally easier to grow than photoperiod strains. More specifically, they take around two-thirds of the time to reach harvest as photoperiod plants, so it’s possible to achieve multiple crops in one growing season.

The yield is the final amount of bud you get from your plant(s) after harvest. Within the weed industry, it is chiefly measured in grams.

You’ll never be able to know exactly how much weed you’ll get from one plant before you have it in front of you. But by understanding the different factors at play, you can make a much more accurate estimate about what you are likely to have.

Other Important Considerations That Affect Cannabis Yield

Indoors, the number of plants, and their pot size, must be commensurate with the amount of light you can provide. Outdoors, living in a southern European country or California would be helpful!

More powerful lights mean more powerful growth and bigger buds—unless they’re too powerful, in which case your plants will burn. Likewise, cloudless skies and powerful sunlight will provide better yields than the flabby English sky.

You may buy cannabis seeds with the promise of achieving 550g/plant, only to find some stunted little micro-buds come harvest time. What’s going on? There are many factors that influence the final yield of your weed crop. Here, we look into each of them and ask, how much weed can you actually get from one plant?

The average grower will use an 11-litre pot; this will allow your plant to reach about 90cm—a good size, especially if growing indoors.

There are many types of lights that growers can choose from. LEDs are some of the most popular and require very little energy to run; plus, they generate next to no heat. However, the initial purchase of these lights is usually more of an investment than the alternatives. Other popular light types include CFLs and HID lights.

Lighting is perhaps the most important factor when it comes to a successful cannabis grow. Plants use light to photosynthesize, which allows them to create their own supply of energy to fuel their growth. Outdoor growers have the luxury of growing directly in the sun, making lighting considerably less complicated. For indoor growers, lighting is one of many factors that needs to be tended to in order to create an ideal synthetic environment.

Outdoor plants cultivated directly in the ground have the luxury of spreading their root systems as far as they see fit. This solid anchor allows the above-ground portions of the plant to grow much taller and sturdier. A more massive and advanced root system also enables plants to intake more oxygen, nutrients, and water—all factors that allow them to grow to much more impressive heights, resulting in many more potential bud sites.


If you want huge yields, you’ll need to provide your plants with the right amount of nutrients without overfeeding them. Nutrient solutions can be added to potted plants at several stages to make sure all of their needs are met. The easiest way to go about this is to purchase premixed formulas that have been specially designed for this very purpose.

Wondering how much weed you’d be able to grow from a single cannabis plant? Find out what to expect when growing your own.

Just like any other skill, you’ll get better at growing cannabis—and producing max yields to suit—the more you practice. When growing for the first few times, it’s an achievement in itself to merely reach harvest time. But after a while, you’ll develop a taste for much bigger yields.

When growing directly in the ground, an ideal way to provide a large spectrum of nutrients is to use compost. Compost should contain a ratio of around 2:1 of green material—which feeds soil microorganisms and provides a nitrogen source—to brown, woody material, which provides sufficient carbon. These materials will be broken down and eventually become a fine, dark humus that contains many of the nutrients required by cannabis plants.

Use the 3×3 inch holes in the scrog net to direct your growth out so that where there used to be side branches coming off your main stems, there’s now going to be colas.

Photo courtesy of @weedstagram416_

At this stage, it’s essential to ensure that you don’t allow the plant to stretch and get tall before it is ready. A lot of people will put their light above their soil and their seed will stretch towards that light. I always keep the light three to four inches away from my seedling at the very earliest stages and move it up centimetre by centimetre, inch by inch, day by day, to do my very best to keep that plant as low as possible.

Step 4:

Instead of topping at the traditional third node, I like to do the topping at the second node. It keeps the seedling incredibly low to the soil and allows me to do the next step which is called low-stress training.

Under 2020’s pandemic-induced lockdown, I did what many cannabis-loving Canadians did this spring: I planted some weed. Adults in most Canadian provinces are permitted to cultivate up to four recreational cannabis plants per household. And while cannabis can grow like, well, a weed… maximizing the yield from just four plants takes a certain amount of know-how.

Pot-wise, I started them in a red Solo cup then up from one to two, up to 10-gallon pots, before cutting off the bottom of a 15-gallon plastic pot and stacking that on top of a 35-gallon fabric pot of soil.

Low-stress training is really simple but it takes a lot of time. It was a great technique for quarantine because I had all this time and it gave me a lot of hands-on time with my “Quarantine Babies,” as I called them.