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How Many Seeds Do You Need To Grow a Weed Plant

Oct 7, 2020
Common Cannabis Questions

How Many Seeds Do You Need To Grow A Weed Plant?

Beginning weed growers often ask how many seeds they need to put in a pot to grow a single plant. It’s a common question because many garden plants, like herbs and lettuce, have tiny seeds that are planted by dropping them into the same hole, while others, like cucumbers and melons, have large seeds that need to be planted individually and spaced far apart.

Furthermore, it’s easy to find conflicting recommendations from experienced marijuana growers who have developed different methods that work well for the types of seeds they grow. In general, however, the answer to the question is simple: you only need to plant one marijuana seed per pot or per square meter of growing space to get a big, leafy plant.


The following article will give you some helpful information about how marijuana seeds grow and why some growers may opt to use more than one seed to grow a plant.


Understanding Seed Types

When you purchase seeds to grow marijuana, you’ll need to choose between regular seeds and feminized seeds. Regular seeds can grow into male or female plants, but only female plants produce the buds that you will eventually harvest. Thus, if you’re buying regular seeds, you’ll need to germinate several seeds to make sure you get at least one female plant. And if you fail to catch and remove a male plant in time, it could fertilize a female plant and significantly reduce its potency.

The alternative to regular seeds is feminized seeds. These are seeds produced by plants treated with a solution of silver or other chemicals to inhibit the production of ethylene, which is part of the sex-determination pathway. Treated plants produce pollen sacs containing only female genetic material. When these plants pollinate other female plants, nearly 100% of the resulting seeds grow into female plants.

You may also want to consider buying feminized auto-flowering seeds. These seeds grow into female plants that flower on a set schedule and in a relatively short time (typically eight to ten weeks). These plants are easy for beginners to grow. Their only disadvantage is that their flowers do not produce seeds, so you’ll always have to buy more seeds when you need new plants.


Seed Quality And Germination Rates

Another factor affecting how many seeds you need to plant is the quality of the seed. Fresh seeds, for example, tend to have higher germination rates, meaning it takes fewer seeds to produce a single healthy plant. Most of the time, you can plant fresh seeds directly in the soil, while older, dried out seeds will need to be germinated first. To do this, soak each seed in a wet paper towel and keep it in a warm and dark environment until a tap root appears. Once the seed has sprouted, or popped, you can transplant it into a pot or plot of soil.

To ensure that the Cream Caramel or Auto Black Jack seeds you plant have the best chance of developing fully, you’ll need to control the growing conditions carefully. For one thing, seeds need a growing environment with a pH between 6.0 and 7.0. Both the soil and the water they receive should be in this range. Marijuana seeds also need a warm environment between 70- and 75-degrees Fahrenheit.

High-quality seeds tend to have the highest germination rates, but none promise 100%, so it is always a good idea to buy a few more seeds than the number of plants you intend to grow. If you’re only planning to grow one plant, we recommend purchasing at least two feminized seeds or three regular seeds. If you’re aiming for a crop of four or more plants, you should buy one or two extra feminized seeds. If you’re buying regular seeds, on the other hand, get twice as many seeds as the number of plants you intend to grow.


Two Strategies For Planting Weed Seeds

Experienced weed growers have their own approaches to getting the best results from the strains they prefer to grow. The following are the two most common strategies for planting weed seeds, regardless of growers who choose strains like Amnesia x AK-74, Love Potion, or CBD varieties like CBD Super Lemon.

Strategy 1: Plant One Seed Per Growing Space

This is the simplest approach to growing weed seeds. If properly cared for, a single seed will grow into a large plant that will fill its allotted growing area, whether a pot or a square meter of soil. If you purchase good seeds, you can expect a high return on your investment. If you germinate the seeds before planting, you’ll know which seeds are viable and which you can safely transplant to the soil. By planting just one seed per square meter, you can keep the plants from crowding each other and competing for light and nutrients. While you may still have one or two plants that don’t thrive, you’ll get a decent crop without having to spend a lot of time thinning it out.


Strategy 2: Plant Multiple Seeds And Select The Best Seedlings

Another approach to growing marijuana is to plant multiple seeds in a single growing space, though not in the same hole. As the seedlings begin to grow, you can select the best ones and take out the others before they start to crowd each other. Growers who plant regular seeds often use this process to identify and weed out male plants before they can fertilize a female. This method also allows you to ensure that all of your plants are strong, healthy, and growing normally. The disadvantage for beginning growers, however, is that it can be difficult to recognize which plants are the best ones to keep.


Final Thoughts

Growing marijuana from seed is not hard to do, and you can get great results when you understand what your plants need in order to grow and thrive. Before buying your first seeds, consider how many plants you want to grow and get a few more seeds than you need. Although feminized seeds are more expensive than regular ones, most new growers find that it’s worth the extra money to be sure of getting only female plants. Finally, make sure to buy only high-quality seeds from a reputable supplier.

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