How Many Seeds Can A Weed Plant Produce

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Cannabis plants can grow up to a pound per plant! Discover how much you can yield when growing indoors, outdoor, in soil, & more! How many seeds can a weed plant produce? Read on to learn how many seeds you can get in a single marijuana plant and the contributing factors. Normal number may not be as high as you think, but plant is still a monster!

How much marijuana can I yield per plant? A pound!

Unfortunately, there are no simple answers to these questions. Every grow is different and has different variables.

Whatever your reasons for growing are, you care about the yield. You want to know what to expect, and that’s reasonable.

I can’t predict your experience, but I can give some reasonable numbers to strive for.

This article will discuss everything there is to know about marijuana yields.

I’ve added some common questions at the bottom, but if you have more, place them in the comments below this article.

On marijuana yield per plant

Don’t want to read? Watch the video!

How much marijuana can you yield indoors?

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 grow light can potentially translate to 400 grams or 14 oz of dried, usable cannabis.

Likewise, a grow room with 1200 watts of light can yield 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 possible.

Making sure the plants have space to grow is also key.

Although soil growing can potentially lower your yield, it also is easier to grow. This is because it not only creates a buffer for error, but it also holds nutrients within the soil.

“Using your indoor space more efficiently can give you twice as much growing area.”

Jorge Cervantes

When growing in soil, there is room to make mistakes with pH and TDS and pay for it in yield. In terms of numbers, expect a maximum of 1 gram per watt. That means a 600 watt lamp can produce 600 grams of marijuana or 21 ounces.

Download my free marijuana Grow bible so you can start growing high quality marijuana strains!

  • Grow with my Quick Start Guide
  • Discover secrets to Big Yields
  • Avoid common grow mistakes

Do hydroponics yield more?

Growing hydroponically yields up to 20% more, as long as you do not make any mistakes. With hydroponic growing, there is no room for errors.

You must be very careful about the TDS and pH levels because the roots are directly in water (and not soil) and incorrect levels can immediately affect the plants.

There are rarely small mistakes while growing hydroponically. Even the most minor error can ruin your yield. However, those who do it correctly will be rewarded.

You can expect up to 1.2 gram per watt, which means a 600watt HPS lamp can give you 720 grams of marijuana or over 25 ounces.

The pictures below show that hydro plants and their roots grow faster than soil plants

Start with high-yielding strains

Ideal circumstances are very important when trying to maximize your crop. But there’s no fault in helping yourself a bit by getting decently yielding genes. These strains fall under the category extreme yielders:

One of the most popular marijuana strains in the U.S., it’s your ideal start for a relaxing and invigorating day that later eases you into an easy euphoria.

Blue Dream

  • 20% Indica 80% Sativa hybrid
  • High THC levels up to 21%
  • Consistent heavy yields
  • Easy going high for everyday use
  • Feminized seeds for guaranteed bud

The name says it all. This strain grows huge buds which in turn yields great amounts of dry herb.

Big Bud

  • 60% Indica 40% Sativa hybrid
  • Feminized seeds for guaranteed bud
  • Known for its easy to grow high yield

GSC is a very popular strain and nothing to sneeze at. This Extreme version of the strain yields huge flowers.

Girl Scout Cookies

  • 80% Indica 20% Sativa
  • High THC levels up to 21%
  • Big yields for indoor and outdoor growers

Average marijuana plant yield outdoors

Under perfect conditions, you can expect yields to extend to 500 grams or 17.5 oz of marijuana 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. Browse my seed selection to find the strain that’s right for you. It all starts with genetics….

How to calculate marijuana yield

Want to predict your field before you grow? It doesn’t have to be a guessing game.

How much weed does one plant produce?

Try using a cannabis plant yield calculator. This calculator by Yield O Rama lets you select your type of light, the light intensity (lumen), your level of growing experience, and your growing medium.

Annual target & consumption projection

Grams Ounces Pounds
Target Production
(incl. margin)
420 14.8 0.93
Consumption 365 12.9 0.80

Days spent growing crops

Greater than 365: you will not meet your annual target (readjust your target settings or growing scenario).

Exactly 365: you will meet your annual target, growing continuous back-to-back crops for the entire year

Less than 365: you will meet your annual target, growing intermittently with some free time between crops.

When using the yield calculator, keep in mind that an HPS grow light produces around 150 lumens per watt. For the exact amount of lumen that your bulb produces, check with the manufacturer.

There are some limitations:

You cannot adjust it for the strain, and it’s only for indoor grows, but it is still quite handy. Check out the cannabis yield calculator here.

You can also measure your yield after you harvest but, keep in mind…

Wet and dry weed does not weigh the same

Drying your weed slowly (10 to 14 days) in a climate-controlled dark and dry place with a temperature of around 64 degrees will get you more weed in weight.

You will get about 20 % to 25 % out of your wet weed after drying, depending on the strain, the density of the buds and the way of drying. Only weigh the wet buds and not the whole plant.

Here’s an example.

Out of a well-cultivated Sativa you will get approximately 20% -22% dry weed and from an Indica about 22% -25%.

So out of one-pound wet Amnesia Haze you will get approximately 7.4 ounces and if you dry one pound of White Widow you’ll get about 8.4 ounces. At a street price of $ 7 (Oregon) or $12 (Texas) this is a very good profit.

On the other hand:

See also  Outdoor Cannabis Seeds

You will end up with approximately 12.5% if you weigh the entire plant, including stems and leaves, while it’s wet.

Buy high yielding seeds

  • Bred to produce a large crop of marijuana
  • Maximize the crop and meet legal limit
  • Choose from several high-quality strains

Grow fewer cannabis plants to yield more marijuana

Indoor growing doesn’t bring 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 a total of sixteen plants for every lamp.

Before deciding how many plants to grow

Consider these facts:

  • If you’ve only got 4 plants, your marijuana plant yield will be 25% less if 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

Think about this:

Grow sixteen plants under a 600-watt HPS lamp and produce about 37.5 grams or 1.3 oz of marijuana per plant.

Grow four plants using a 600-watt HPS lamp and yield about 150 grams or 5.0 oz per plant.

But grow one huge plant per 600-watt HPS, and you could produce a pound of marijuana per plant!

Yield more with Screen Of Green

The Screen of Green (SCROG) technique is an excellent way to increase your yield. The idea is to top your plants and place a screen at 15 inches above your plants.

Be sure to check out aPotforPot for a one-stop solution for a small grow!

When a branch grows 4 inches through the filter, tie it to the screen horizontally. Continue attaching the branches until you get a nice ‘blanket’ of tops.

Now, three reasons why growing with a screen of green technique increases your yield:

1. No wasted light

Any light that hits the floor or walls is wasted energy. With the SCROG method, you create a thick ‘blanket of leaves’ out of your plant that prevents light from being wasted, and instead forces it to be absorbed by the leaves.

2. All plants are the same height

When every plant is the same height, each will receive the maximum amount of light.

With this method, there are no plants or branches in the shade, and you can place the lamp as low as possible, as long as temperatures don’t exceed 77 Fahrenheit.

3. No fluffy or soft buds

Because you prune the bottom branches that don’t grow through the screen, the plant doesn’t waste any energy on developing the small, soft buds at the base of your plant.

(FYI, they never ripen.) Your plants also don’t waste energy on leaves and branches it doesn’t need. All of its energy goes to the top colas!

Here is a photo guide on how to SCROG:

I’ve used the screen of green method for many grows, and I’ve always been satisfied with the results. If you use it, your yield can increase by 10 to 20%.

Lights make the difference for indoor grows

Does a 1000-watt HPS yield more than a 600-watt HPS?

Well, not necessarily. While a 1000-watt HPS bulb produces much more light than a 600-watt bulb, a plant cannot convert all that light into energy. It will need more CO2.

There is around 350-400 ppm of CO2 in the air. Indoor marijuana plants will use this CO2, combined with energy from the light to create sugars.

If you grow in a closed grow room without an air inlet, the plants will use half of this CO2 within an hour and then slow down sugar production because CO2 levels are dangerously low.

This is why you must continuously ventilate your grow room with fresh, CO2 rich air from outside.

With 350 to 400 ppm of CO2 in the air, your marijuana plants cannot create more sugars than the light from a 600-watt HPS bulb produces.

So your yield will not be higher if you use a 1000 watt HPS lamp under normal circumstances.

On the other hand, if you increase the CO2 levels, your plants will need more light, and in that case, a 1000-watt bulb can almost double your yield.

It’s a large investment to buy the right equipment, but a 1000 watt grow light is worth it in terms of yield.

Want to learn more about CO2 and yield? Here is an interesting article about CO2 and tomato plants.

Average indoor yield with CFL & HPS

Keeping the impact of CO2 in mind, there are some numbers that you can expect when growing with CFL and HPS lighting:

Imperial

1.5 to 2.0 oz average (3.5 oz for advanced growers) with 200-watt CFL lamps in a grow cabinet measuring 3.5 x 1.5 x 6.5 ft.

3.0 to 5.0 oz average (9.0 oz for advanced growers) with a 250-watt HPS lamp in a grow cabinet measuring 3.5 x 1.5 x 6.5 ft.

4.5 to 9.0 oz average (14 oz for advanced growers) with a 400-watt HPS lamp in a 3.5 x 3.5 x 7 ft. grow room

5.0 to 10 oz average (21 for advanced growers) with a 600-watt HPS lamp in a 4 x 4 x 8 ft. grow room

9.0 to 18 oz average (36 for advanced growers) with a 1000-watt HPS lamp in a 5 x 5 x 8 ft grow room

Metric

40 to 60 grams average (100 for advanced growers) with 200-watt CFL lamps in a grow cabinet measuring 1 x 0.5 x 2 m

80 to 150 grams average (250 for advanced growers) with a 250-watt HPS lamp in a grow cabinet measuring 1 x 0.5 x 2 m

100 to 250 grams average (400 for advanced growers) with a 400-watt HPS lamp in a 1 x 1 x 2.5 m. grow room

150 to 300 grams average (600 for advanced growers) with a 600-watt HPS lamp in a 1.2 x 1.2 x 2.5 m. grow room

250 to 500 grams average (1000 for advanced growers) with a 1000-watt HPS lamp in a 1.5 x 1.5 x 2.5 m. grow room

LED grow yield

There has been much said about LED lights, with many manufacturers claiming super high yields, but I haven’t seen them yet.

I’ve tried a 300-watt LED grow two years ago and generated less than half of what I usually produce. Many of my friends also haven’t received desired results.

An interesting fact is that commercial tomato growers haven’t switched to LED. For me, that’s a sign that they’re no better or more economical than HPS grow lights.

With LED, the light intensity isn’t as strong as with HPS lights. Instead, the spectrum is more important.

So, I can’t tell you how much you will yield with a LED grow light. If anybody has some results, please share them in the comments.

I can confirm that LED lights produce a lot less heat compared to HPS lights. This will cause the plant to evaporate less water, changing the water and nutrient requirements for growers.

Time your harvest right so you can maximize your yields with my free mini Harvesting Guide.

  • Time your harvest for Perfect Taste
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Save money by growing marijuana

A store-bought marijuana plant will cost around $10 to $15. It will be a clone of around 5 inches tall, and they’re only available in the states that have legalized marijuana.

High-quality marijuana seeds cost between $8 and $15. They’re available all over the internet and of course in my own store

But these figures do not cover the cost of producing weed. You need to buy equipment, nutrients and keep an eye on the electricity and water costs.

See also  Marijuana Seed Bank Toronto

Below are some estimates, but read my article on costs and revenues for more details.

Growing 5 marijuana plants in a 2×2 foot grow tent with 2×100 watt CFL will cost you around $1000 per year and yield 0.25 pound of marijuana per harvest. With 4 harvests per year, each marijuana plant costs about $50.

Growing 5 marijuana plants in a 4x4foot grow tent with a 600 watt HPS light will cost you around $2000 per year and produce 1 pound of marijuana per harvest. With 4 harvests per year, each marijuana plant will cost around $100.

Equipment like filters, timers, and exhaust fans are very expensive. The price difference between a setup for 2 or 4 lights is only 20% higher, but the yield doubles.

Again, here you can learn more about the costs and benefits of growing.

You could be saving money, especially if you yield a pound per plant!

What does a 1 pound plant look like?

If you want to grow a one-pound marijuana plant, grow a single plant.

You need a 4 x 4 foot grow tent or other similar-sized space, and a 600-watt HPS grow light.

Under ideal circumstances, a 600 watt light can produce well over a pound of cannabis. If you limit your grow to just one plant, it can produce over a pound of weed.

You have to prune and trim your plant a lot otherwise it will grow through the ceiling. Scrogging is the way to go to cover 10 square feet with one plant.

Growing a one-pounder is a fun project, but there are some downsides. You need to veg the plant for very long until the entire floor is covered with leaves, so no light goes to waste.

Plus, if your plant gets sick or anything, you don’t have replacements. But it can be done!

Want to feature your 1-pounder indoor plant on our blog? Send me a picture!

Whether you are growing indoors or out, you can effectively plan for how much weed you’ll yield. In some cases, you can even grow a pound per plant.

It’s all about planning your grow setup and using the right grow techniques. You can predict your yield with a calculator or wait and weigh it after the harvest.

However you decide to grow, you’re likely to save money over buying it at a dispensary.

So, how much does Gold Leaf yield?

Gold Leaf is my very own, proudly bred, strain, and I must say; it is a very decent yielder!

As you now know, topnotch-conditions should apply but I’ve managed to cut about a pound of the plant grown indoors and it has even treated me to almost 21oz when I had it growing outside!

How Many Seeds Can a Weed Plant Produce? | Learn About All Contributing Factors Here!

Wondering how many seeds you can get from a weed seed?

Telling how many cannabis seeds you can get from marijuana plants can be a challenge as it’s dependent on various factors. For instance, the number of marijuana seeds in a single plant can depend on how long pollination occurs.

Additionally, the technology used in growing cannabis plants can also affect how many seeds you get. For example, Amsterdam and other areas use a technique known as sinsemilla or no seeds to harvest cannabis plants.

So, how many weed seeds can you expect to get from a single marijuana plant?

How Much Weed Can a Marijuana Plant Produce?

Weed seeds are monecious, meaning you can get both male and female seeds. It’s also possible to get a hermaphrodite cannabis plant.

Feminized seeds offer the best cannabis strains. If you have male plants in your marijuana fields, the pollen from the pollen sac pollinates the female plants to make seeds. If you don’t want the plants to form seeds, you should immediately remove the male plants from the fields.

Unfortunately, seeds in female flowers reduce the THC (tetrahydrocannabinol) potency by 30%.

However, there’s no straight answer to how many seeds you can get from a single marijuana plant. The number of seeds on a single cannabis plant depends on the length of pollination.

When you breed regular seeds (male and female genes) to produce new strains, the number of seeds the plants produce will be too many to count. The same happens if you have feminized seeds that come into contact with male pollen.

The pollination of feminized seeds could happen if you’ve hermaphrodite plants in the field or you have a neighbor who isn’t careful while breeding seeds. It could also happen if you’ve male plants and forget to remove them.

You may not notice the seeds in your growing plants until it’s time to harvest and the seeds are popping from the buds.

Do Marijuana Plants Give Seeds?

Yes, marijuana plants do give seeds.

You get the cannabis seeds when the pollen from the male plants pollinates the female plants. However, the seeds affect the THC potency of the female plant. Therefore, it’s not the weed seeds that get you high. Rather, the flowering buds of the weed plants get you high.

As the plant prepares to flower, it forms small bunds, referred to as cola, at the beginning of the flower buds. The buds carry all the concentrated CBD and THC.

The concentration is divided into various parts of the bud. You mix the cola during harvest to give you a whole bud.

If you harvest the buds late, the marijuana seed is born, finding its way to the bud.

How Does a Mature Marijuana Seed Look Like?

When you get your marijuana seeds, you shouldn’t rush to start growing all of them. It would help if you looked at them to ensure they are the best for growing.

First, the right cannabis seed should be whole and not damaged or split apart. Additionally, the seed should be brown. If the seed is yellowish or green, it means it wasn’t mature during harvesting. Therefore, it may not be the best for growing.

A brown whole cannabis seed results in healthy plants and an increased marijuana yield.

How to Germinate the Cannabis Seeds

Germinating a marijuana seed is the first step before you can think of planting it. Germination involves transforming the seed from a hard shell to a germinating plant.

You should be more careful when germinating your cannabis seeds than with other types of seeds. You can start by laying a wet paper towel across a plate’s surface. Next, you should lay the seeds on the plate and ensure you give them enough space.

Use another wet paper towel to cover the seeds, and use another plate to cover the whole setup. With such a setup, you trick the seeds that you’ve buried in the soil. The water from the wet paper towel helps to activate the growing enzymes.

The seeds remove the hard protective coating and start growing roots. The cannabis seeds require the conditions to be perfect for germination. If you bury the seeds in the soil without the right conditions, they’ll sit there and fail to germinate.

The weed seeds are particular with germinating conditions. Some seeds can still fail to germinate even with the plate and wet paper towel method.

If a seed doesn’t germinate, you can throw it away. The germination process happens in about 2 days and can take up to 10 days.

See also  Oregon Marijuana Seeds

Aftercare

After germination, it’s time to transfer the young plants to the soil. Ensure you use high-quality soil rich in nutrients, including nitrogen and potassium. You should also ensure you space the plants well.

Additionally, you should ensure you keep the soil moist.

After a few days, you’ll start seeing your plants sprout towards the sun. You can even start noticing some cannabis leaves, and the roots will start to spread out.

At this stage, you should transfer the plants to a bigger vessel. Fill the bottom of the vessel with gravel to act as drainage and provide a base for the soil. Use quality soil to fill the rest of the vessel.

Ensure your plants receive adequate sunlight, keep them watered and feed them using high-quality liquid fertilizers.

You can grow your weed plants indoors or outdoors. If you grow the plants indoors, ensure you have enough UV light to make sure the plants get enough sunlight. Additionally, you should ensure the room is humid and hot.

As you plant your marijuana seeds, check out the laws on growing marijuana in your area. Different jurisdictions have different laws about the growth of cannabis. Make sure you’re not breaking any laws during the process.

Factors That Contribute to Your Marijuana Yield

Planting marijuana plants in your field doesn’t automatically translate to big yields since the buds can be unhealthy and thin. Healthy medium-sized plants can give you more marijuana yields than big unhealthy plants.

If you’re growing multiple plants, ensure enough space between them. If the plants are too close, they can grow over each other and shade each other, reducing the yields.

Some of the factors that affect your marijuana yields include:

Climate

The climate in your area can affect how well weed plants do. Typically, marijuana plants thrive well in a warm and temperate climate. However, you may have other strains that do well in other types of climates.

For instance, sativas like warm and humid climates while Indica strains like cold and dry climates.

Sudden unexpected climate changes such as a heatwave or cold snap can also affect a plant’s growth.

Light

How much light a plant receives is essential for growth.

If the plants are growing outside, they should receive at least six hours of sunlight to offer the best yields. If the plants are under a shade, they may not receive maximum light, which affects the yield.

If the plants are growing indoors, the amount of grow light you use should depend on the size of the space. For instance, a small tent can do with a 200W LED. You’ll require a bigger and more expensive LED lights for a bigger tent.

You should also ensure the quality buds get adequate light by pruning your plants and removing the weak and dead leaves.

Type of Soil

The quality of your soil will also determine the health of your weed plants and their yields. Some soil types have higher nutrient levels, making them perfect for growing plants.

You can also use fertilizers to add more nutrients to benefit your plants.

If you’re growing your marijuana plants in containers, you should check the amount of soil and size of the container. Using small amounts of soil or a small container can limit how the plants’ roots spread, causing stunted growth.

Growing your plants on the ground allows them to spread their roots without limit. However, you need to ensure the soil has all the essential nutrients to facilitate proper growth.

Growth Duration

Your cannabis yield will also depend on the duration of plant growth from germination to harvest.

If you’re growing the plants indoors, you can have the plants in the ground anytime, provided you have the right setup for growth. If growing the plants outside, you should consider your area’s climate at the time. Some regions can be too cold to plant until the climate changes.

If your area experiences tropical climates at all times, you can plant your plants all year round. If you receive rain early in your area, you may want to go for strains that are ready by October.

If you plant your cannabis plants in March instead of May, they’ll require an additional two months to get big. When growing the plants indoors, the growth duration is determined by the spacing of your plants.

Conclusion

It may not be easy to tell how many pot seeds you can get from a marijuana plant. The number of seeds can be determined by various factors, including how long pollination occurs. If you want to prevent pollination, you should remove the male plants in the field and the hermaphrodite plants.

Just How Many Seeds Can One Palmer Amaranth Plant Produce?

Every time someone talks about Palmer amaranth and how nasty it can be as a weed in your field, they usually get around to talking about how many seeds a single plant can produce. Sometimes they say a million seeds. Sometimes it’s 500,000 to a million. Others speak in terms of just several hundred thousand seeds per plant.

According to a Purdue University research student, it is possible for a single plant to produce that many seeds if it is isolated by itself, but that’s far more than a normal plant produces. However, he in no way intends to underestimate the veracity of this ‘take-over-the-farm’ weed.

Seed bank: A stand this thick will produce maybe 3,500 to 140,000 seeds per plant, researchers say. It’s still enough to make the weed formidable.

The number in a normal stand of Palmer amaranth where there are many plants competing is more like 3,500 to 140,000 seeds per plant, Doug Spaunhorst says. He’s assisting Purdue University weed control specialists Bill Johnson, Travis Legleiter and Brian Young in plots near Twelve Mile.

While that’s a wide range, his work shows that in a thick stand 15,000 seeds per plant may be more normal.

However, he is by no means downplaying the weed’s ability to spread, he asserts. It’s still a huge amount of seed, he agrees.

The other problem for those wanting to control it is that Palmer amaranth continues to emerge throughout the season from seed. A tillage pass stirs up a new batch, and you can expect a flush of new plants one to two days after tillage, he observes.

Even plants that are two feet tall begin to produce seed, he adds. Seedheads eventually become up to 20 inches long, but even when they are only a few inches long and still growing, they can produce mature seed.

They can also grow from 21 to 42 inches, doubling in size, in about a week during the middle of the summer, he notes.

No matter how many seed it produces, Palmer amaranth is still one tough customer.

In the coffee shop, it is known as Palmer pigweed. In university circles, it is referred to as Palmer amaranth. Whatever you want to call it, this weed is the No. 1 weed to watch. Stay on top of your control plan with our new free report, Palmer Amaranth: Understanding the Profit Siphon in your Field.

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