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Cannabis seeds per plant

How Many Cannabis Seeds Per Pot?

If you have ever wondered how many cannabis seeds per pot, look no further. One seed is all it takes to grow one plant so even if you see plants that look like as if they were bushes it is all just one seed. Regardless of the apparent size of the plant, all growers know that only one cannabis seeds per pot is required.

So you know how many cannabis seeds per pot, but you want to know what will happen anyway?

If you use more than one or many cannabis seeds in a pot, the cannabis plants will begin to compete against each other for nutrients, so the smallest cannabis plants (which sometimes may be the best phenotypes.) will get wiped out by the bigger cannabis plants.

If you are growing from regular cannabis seeds they could also cross-pollinate resulting in buds with cannabis seeds in them. It sounds simple enough but if the buds have seeds inside them, the potency of the strain can be reduced up to 30%. Each cannabis seed is a plant and they need their own space to grow and thrive, as well as to produce bigger and better buds. Remember that more than one cannabis seed per pot is too many.

You might find our FAQ Submission How Many Marijuana Seeds To Grow A Plant? useful!

Q&A: How Many Cannabis Seeds Per Pot?

How many cannabis seeds per pot? We get asked this a LOT.

It’s an understandable question with a simple answer:

It’s always one per pot.​

If you want to know why you only plant one seed per pot, then keep reading.

If not, get out there any plants some damn seeds already!

How Many Cannabis Seeds Per Pot?

It’s still just one. There are a list of things that can go wrong if you try to plant more than one. While theoretically, planting multiple plants per pot makes sense.

You can save money on planters, soil and marijuana nutrients. But, in practice, there is just too much that can go wrong.

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Multiple Seeds in One Pot

Unless your planter is HUGE, your plants are going to be fighting over nutrients and root space.

It’s not the same as planting cannabis in an in-ground garden where they can stretch their roots.

In a planter your space is already limited, and placing more than one plant in a pot can stunt both plants growth. Another problem you’ll run into is sexing.

Check out the Top Indoor Strains voted on by THCoverdose

Unless you’re buying feminized seeds from a reputable seed bank, you’re playing a game of hit or miss.

If you have a planter with two plants and one turns out to be a male you’re in a real bind. You can kill off the male, sure.

But the two plants roots might be bound to the females which will kill her too.

Exceptions to the Rule: Breeding

There is one time that putting two cannabis plants in one pot might make sense:

Breeding.

If you are low on space, you might consider putting a male clone and a female cannabis clone in the same pot.

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Since you won’t have to worry about separating the plants, this could work.

You’re also not so worried about the bud you’ll get from either the male plant (which is none) or the pollinated female, so you don’t need huge plants.

This makes the fight for root space meaningless.

Click here to see the best strains to grow outside.

Let them Sprout Before you Plant

Before you’re transplanting your cannabis to their final container, you should be germinating them.

Germinating is done one seed at a time, so if you’re wanting to plant more than one seed thinking that some won’t take, don’t.

Germinated seeds with sprouted roots will sprout into the seedling stage more often than not.

If you’re not sure how to germinate, be sure to check out our guide on germinating cannabis seeds. And if the issue is money, plant your seeds in grow bags.

They are a lot more cost effective compared to clay or plastic pots.

Another cheap alternative is 5-gallon paint buckets—that have never had paint in them of course. So, unless you plan on breeding two plants, stick with just one seed per pot.

Do you know of any more situations that would require more than one cannabis seed per pot?

Also, be sure to check out this guide if you plan on growing in a greenhouse if you want to get a few tips for a better yield.

How much weed can you get from growing one plant?

As states legalize weed and the plant becomes more accepted, more people are trying out their green thumbs by growing their own weed at home. Most states with legal weed allow one person to grow six plants at their residence and an entire household to grow 12 plants. Some allow less, and some allow more.

(To see how many plants your state allows you to grow at home, check out this table).

But how much actual weed is that in dried buds that you can smoke? An ounce? A pound? Two pounds? The tricky thing is, all weed plants aren’t the same size, and many factors affect how big a plant will get and how dense its buds become.

We’ll go through those factors and talk a little bit about the harvest process to estimate how much weed you can get from one plant.

How much bud from one weed plant?

Many factors affect how big a plant gets, but generally speaking, if you are growing a healthy plant, you can expect these yields from one weed plant:

  • Outdoor plant: ½ pound of buds, or about 224g
  • Indoor plant: ¼ pound of buds, or about 112g

Note that these are estimates. When growing outdoors, plants can usually get massive because they aren’t restricted to space—it’s not uncommon to get closer to a pound a plant or more.

When growing indoors, you’re often limited by space—a plant can’t get as big in a grow tent as in a big, open basement. You’re also limited by how powerful your grow light is. For example, Leafly editor David Downs harvested 150g from one indoor plant with one 200W Black Dog LED light. The company said that light maxes out around a half-pound of buds, or 224g.

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Also, these estimates are for healthy plants. If a plant becomes nutrient-deficient, gets bugs or mold, or doesn’t receive enough light, expect a lot less.

How long will one plant’s worth of bud last you?

However big your plant gets, you’ll likely have more flower than you know what to do with. Many people will save a certain amount of flower for smoking, and make edibles, concentrates, and other weed products with the rest of their harvest.

Consider how much weed you smoke in a day, week, or month. For reference, a gram is about two medium joints or 3-4 bowls. Do you smoke a gram a day or a week? Two grams a day or a week?

Using the above yield estimate of ¼ lb., or 112 grams, for one medium-to-large-sized indoor plant, if you smoke one gram a day, that one plant would last you 112 days, or just under four months! Two grams a day would last you just under two months, and half a gram a day—or an eighth a week—would last you eight months.

This will help give you a sense of how many plants you should grow. If you’re growing indoors, you can grow one plant at a time, harvest it, and start another, keeping a continuous cycle of growing.

If growing outdoors, you may only get one harvest a year. Remember, check out how many plants you can legally grow in your state here.

Read more of Leafly’s guide to growing

Factors that determine a weed plant’s yield

The amount of dried buds you harvest from a weed plant is called its yield, just like any crop, such as corn, wheat, fruit, etc. Ideally, when growing weed, you want high yields and high-quality buds. Getting both takes a little practice.

A weed plant will lose about 75% of its weight to moisture loss and trimming after being cut down. A considerable amount of moisture leaves the plant during the drying process, and trimming removes all the stems, branches, fan leaves, and trim from the plant.

So if you weigh a freshly cut plant at three pounds, don’t get too excited—you’ll likely get ¾ lb. of finished buds (which is still a lot of weed).

A big plant doesn’t necessarily mean big yields, as buds can be thin and wispy. A medium-sized plant with quality, dense nugs could yield more than a six-foot tree. Also, if growing multiple plants, they can grow over each other and shade one other out, reducing yields. Make sure to give plants plenty of space.

Some major factors that contribute to a weed plant’s yield include:

  • Strain/genetics
  • Grow duration
  • Light
  • Climate
  • Soil type/amount

Strain/genetics

Certain weed strains grow big or tall or are high-yielders simply because of their genetics. Traditionally, indicas grow short and stout, and sativas grow tall and lanky. That’s not always true across the board, but it is a good rule of thumb.

For example, Lemon Skunk is famously a tall, lanky strain, so you’re likely to get high yields from it. Blue Dream and Chemdog are also known for their high yields.

Aside from its candy-like flavor, Runtz gets its name because its buds grow small, like the runt of the litter. It might be a low-yielder, but you’ll usually get high-quality buds.

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Growth duration

How long you allow a plant to grow, or the length of time from seed germination to harvest, is one of the most significant factors determining weed yield. If you start growing seeds in March rather than May, those plants will have two extra months to get big.

When growing outdoors, the local climate is the main determining factor of when you can put seeds in the ground. Some regions are too cold to put plants outside until May, but you can start growing plants indoors with the right setup.

Some regions get rain early in the fall, so you’ll want to grow plants that are ready to harvest by the beginning of October. In tropical climates, you can practically grow weed outdoors all year round.

When growing indoors, growth duration is determined by how much space you have to work with. If you have a spacious basement or shed, you can let plants grow for months and get as big as you want before forcing them to flower. If space is tight, like in a grow tent or other small areas, you may only be able to let your plants get a few feet tall.

Light

How much light a plant receives is highly variable. When growing outside, it all depends on where a plant is located to receive the most light throughout the entire season. Weed plants like full sun—at least six hours of direct sunlight every day. If a plant is in the shade or gets shaded as the light changes throughout the season, it can affect yields.

Indoors, it depends on how powerful your light is. A small 200W LED is great for a small grow tent, but you’ll need something bigger for a bigger space, which also means a more expensive light.

Be sure to prune your plants to remove dead leaves and buds, and branches that won’t turn into sizable buds. Clearing out plant matter will allow the quality buds to get more light.

Climate

Weed typically likes warm, temperate climates—think of Northern California’s Emerald Triangle region—but certain strains thrive in different temperatures. Traditionally, indicas like cold, dry climates and sativas like warm, humid climates.

Sudden extreme changes in temperature can affect a plant’s growth and yields, such as a sudden cold snap, which can slow a plant’s growth, or a heatwave, which can dry out a plant.

Soil type/amount

Different soils have different nutrient levels and some nutrients can promote plant growth. You can also add nutrients to soil or water to help plants grow big and strong.

Additionally, if growing in containers, the size of the container, or the amount of soil the plant’s roots have, will affect the size of a plant. Growing in too small of a pot can stunt a plant’s growth.

Check out guidelines on how big of a container you need for different sized plants here.

Growing directly in the ground will give your plant’s roots plenty of space, but you may need to add nutrients depending on the soil’s quality.