How and When to Apply Stress to Maximize Your Cannabis Yield

Growing plants can be a rewarding experience, whether it be for personal use or commercial purposes. However, achieving maximum yield can be a challenge, especially for those new to the process. That’s where HST comes in. HST, or High-Stress Training, is a technique that can be used to increase yield and promote healthy plant growth. But what is HST, and when and how should it be applied? In this article, we will delve into the world of HST, exploring its benefits, when to use it, different techniques, and how to maximize your yield using this powerful tool.

What is HST?


What Is Hst?
As a cannabis grower, you may have heard of the term HST being used to describe certain techniques that can be used to manipulate plant growth and improve yield. But what is HST exactly? HST stands for High Stress Training, and it encompasses a range of pruning and training techniques that are designed to put plants under controlled levels of stress in order to encourage bushier growth and maximize flower production. In this article, we will take a closer look at HST, its benefits, and how and when to apply it to your cannabis plants. If you are interested to learn more about outdoor HST techniques for cannabis, make sure to read our article on hst-techniques-outdoor-cannabis.

1.1 Understanding HST

One of the most effective ways to increase the yield of your cannabis plants is through HST, or High Stress Training. HST involves intentionally stressing the plant in order to increase yields, but it’s important to understand the process before attempting it.

Here are some key points to keep in mind when it comes to HST:

Point Description
Types of Stress There are two main types of stress: environmental stress and physical/mechanical stress.
Environmental Stress This can include factors such as temperature, humidity, light levels, and nutrient levels.
Physical/Mechanical Stress Physical or mechanical stress involves directly manipulating the plant through techniques such as topping or super cropping.
Benefits The ultimate goal of HST is to increase yields, and studies have shown that it can lead to up to a 30% increase in yield.
Caution While HST can be beneficial for increasing yields, it’s important to use caution and not over-stress your plants, which can lead to stunted growth or even death.

By understanding the basics of HST, you can make informed decisions about how and when to apply stress to your plants in order to get the best possible yield.

1.2 Benefits of HST Techniques

HST, or High Stress Training, techniques can provide a wide range of benefits for cannabis growers. By applying stress to the plant, growers can encourage the plant to grow more lateral branches and produce more dense and potent buds.

Here are some of the benefits of HST techniques:

Increase Yield Boost Potency Maximize Indoor Space
By stimulating more lateral branches, HST techniques can help increase the overall yield of the plant. Stressed plants often produce higher levels of THC, providing a more potent end product. Applying HST techniques can help growers make the most of limited indoor grow spaces by encouraging the plant to grow outward rather than upward.
Improve Airflow Reduce Stretching Create Uniform Canopy
HST can help improve airflow around the plant, reducing the risk of mold, pests, and plant diseases. Controlling the height of the plant through HST techniques can help prevent stretching and ensure a more even canopy. By encouraging lateral growth, HST techniques can help create a more uniform canopy of buds that all receive equal light exposure.

HST techniques can be an effective way to maximize the yield and quality of your cannabis plants, as well as make the most of your indoor grow space. However, it’s important to apply the right technique at the right time and in the right way to achieve maximum benefits while minimizing the risk of damaging the plant.

When to Apply HST

When To Apply Hst
Determining the timing for when to apply High Stress Training (HST) to your cannabis plants can be a perplexing process. This is a crucial step in maximizing yield and producing a bountiful harvest. Knowing when and how to apply HST techniques can be the difference between an average yield and an exceptional one. Let’s dive into the factors that affect when to apply HST and how to make that decision.

2.1 Timing is Key

One of the most crucial factors to consider when applying HST techniques to your cannabis plant is timing. It is essential to know when to apply stress to your plant to ensure maximum yield.

Table: Factors to Consider for Timing HST Techniques

Factors Timing
Plant Age Plants should be at least 3-4 weeks old before applying HST to ensure that they are strong enough to handle the stress.
Stage of Growth HST should be applied during the vegetative stage, usually between weeks 3-6 after germination, as this is when the plant is most responsive to training techniques.
Strain Characteristics Different strains may require different timing for HST techniques, so it is essential to research the specific strain you are growing to determine the optimal timing.
Grow Room Conditions HST should be applied during a period of low humidity and moderate temperature, as high humidity and extreme temperature can cause additional stress on the plant.

Timing Tips:

  • Start small and gradually increase stress levels to avoid overwhelming the plant.
  • Avoid applying HST techniques during the flowering stage as this can significantly reduce yields and stress the plant.
  • Apply HST techniques during a period of rapid growth to increase the chances of success.

Timing is key when it comes to HST techniques. Not only does it affect the success of these techniques, but it can also significantly impact your overall yield. By considering the factors above and following timing tips, you can ensure that your plant can handle the stress and maximize its potential.

2.2 Factors to Consider

When considering the best time to apply HST to your plants, there are several factors you need to take into account. These include:

Factor Description
Plant age The age of your plant is an important consideration when it comes to applying HST techniques. It is generally recommended to begin HST between the vegetative and early flowering stages, when plants are able to recover more quickly from stress.
Plant health It is important to only apply stress techniques to healthy plants as damaged or stressed plants can take longer to recover and may negatively impact your final yield.
Strain Different strains can respond differently to stress. Some strains may benefit from more aggressive HST techniques, while others may not handle stress as well.
Growth pattern Understanding the growth pattern of your plant is important when deciding which HST technique to apply. For example, super cropping may not be effective on plants that naturally grow sturdier stems, while topping or FIMing may be more appropriate.
Grow space limitations The amount of space you have available to grow may impact which HST techniques you use. Some techniques, such as topping, can help keep plants shorter and more compact, making them better suited for smaller growspaces.
Grow experience If you are new to growing cannabis, it may be best to start with less aggressive HST techniques and gradually work your way up to more advanced techniques as you become more experienced.

By taking these factors into account, you can better determine the optimal time and method for applying HST techniques to maximize your yield.

How to Apply HST Techniques

How To Apply Hst Techniques
When it comes to applying High Stress Training (HST) techniques, there are several methods that growers may use to achieve desired results. These techniques involve stressing the plant through various methods, including topping, FIMing, super cropping, low stress training, and high stress training. Each method has its own unique benefits and challenges, and it is up to the grower to decide which technique is most suitable for their specific plant and growth goals. In this section, we will explore the methods of HST and how to properly apply them in order to maximize yield.

3.1 Topping

Topping is one of the simplest and most effective HST techniques, which involves cutting off the top nodes of your plant’s main stem. This process encourages the plant to focus its growth on the lower nodes, which promotes lateral branching and ultimately leads to a fuller and bushier plant. To top your plant, follow these steps:

  1. Select Your Plant: Choose a plant that is at least three to four weeks old and has developed a few nodes.
  2. Prepare Your Tools: You will need a sharp pair of pruning shears or scissors to make a clean cut.
  3. Find the Right Spot: Look for the newest growth on the main stem, just above the fourth or fifth node from the base of the plant.
  4. Make the Cut: Using your pruning shears or scissors, cut off the top of the plant just above the fourth or fifth node from the base. This will remove the new growth and the newest set of leaves on the plant.
  5. Monitor Growth: Over the next few days and weeks, your plant will begin to respond to the topping by redirecting its energy to the lower nodes. Keep a close eye on your plant’s growth and adjust your training techniques accordingly.

Topping is a great way to encourage a fuller plant, but it is important to keep in mind that it can also increase stress levels. Make sure that you are not topping your plant too often or too aggressively, as this can lead to stunted growth and reduced yields. It’s recommended to top your plant once during the vegetative stage, and not again during the flowering stage. Topping is a simple and effective way to maximize your yield through HST techniques.

3.2 FIMing

FIMing, or “Fuck I Missed”ing, is a HST technique that involves pinching off about 80% of the newest growth tips on a plant. This technique can result in four or more main colas instead of the typical two that would result from topping.

To perform FIMing correctly, follow these steps:

  1. Identify the newest growth tips on the plant.
  2. Use a pair of clean, sharp scissors to make a diagonal cut across the tops of the growth tips.
  3. Ensure that you leave at least 20% of the growth tip intact.
  4. Observe the plant over the next few days to ensure that it responds positively without showing signs of stress or disease.

FIMing is an effective technique because it allows you to manipulate the natural growth pattern of the plant to create a more bushy structure. This can be very beneficial if you are working with limited space or want to maximize your yield. FIMed plants can produce more colas, which translates into bigger yields.

However, FIMing can be a bit trickier than other HST techniques, and it’s important to be cautious when performing it. It’s crucial to leave enough of the growth tip intact so that the plant can continue to grow normally. If you remove too much, or damage the growth tip, you risk slowing down the plant’s development or even killing it.

As with all HST techniques, it’s important to observe your plants carefully and start slowly. Give your plants time to recover between each round of FIMing, and be patient as you wait for the new growth to develop. With practice and attention to detail, FIMing can be a highly effective technique for boosting yields and achieving a more desirable plant structure.

3.3 Super Cropping

Super cropping is a type of HST technique that involves physically manipulating the stem of a cannabis plant in order to increase yield and enhance potency. Here are the steps on how to do it:

  1. Identify the area on the stem that you want to super crop.
  2. Using your fingers, softly squeeze the stem at the said area to soften the tissue.
  3. Bend the stem slowly and gently in a 90-degree angle until you feel a slight crack or snap. This is a sign that the tissue inside the stem has ruptured.
  4. Using a tie or a stake, support the bent part of the stem so that it doesn’t break completely.
  5. Within a couple of days to a week, the stem will begin to heal around the bend, creating a thicker, stronger stem.

The main goal of super cropping is to create more bud sites and increase light exposure to these sites. By bending the stem, more of the plant will be exposed to light, which in turn will help the buds to grow bigger and denser. This method can also improve airflow to the lower parts of the plant, which can prevent problems such as mold and mildew.

However, it’s important to note that super cropping is a high-stress technique that can shock the plant and cause damage if done improperly. It’s vital to be gentle and slow in bending the stem and to provide support to the plant afterwards. Additionally, it’s best to avoid super cropping during the flowering stage, as this can delay the flowering process and lower the yield. Super cropping should only be done during the vegetative stage when the plant is still growing rapidly.

3.4 Low Stress Training

Low Stress Training (LST) is a technique used to gently bend and train the branches of a cannabis plant in order to maintain an even canopy and maximize light penetration. The goal is to create more bud sites and increase yield without causing undue stress to the plant. Here are the steps for applying LST to your cannabis plants:

1. Start Early: It is best to begin LST in the early stages of vegetative growth when the branches are more flexible and easier to manipulate. It is also important to have a plan for how you want to train your plants before you start.

2. Bend Slowly: Use soft plant ties such as garden wire or twine to gently bend the branches down and away from the center of the plant. Be careful not to break or damage the branches. Bend the branches a little bit at a time over several days until they are at a 90-degree angle from the stem.

3. Monitor Growth: Check on your plants regularly to make sure the branches are not under too much stress and to adjust the ties as needed. You want to maintain an even canopy and prevent any one branch from growing too much taller than the rest.

4. Continue Until Flowering: Once your plants have entered the flowering stage, you should stop LST and allow the buds to grow naturally. However, you can still remove any large fan leaves that are blocking light from reaching lower bud sites.

Benefits of Low Stress Training

– Increased Yield: By training the branches to grow outward, the plant can create more bud sites and produce a higher yield of buds.

– Improved Light Distribution: By maintaining an even canopy, more of the plant’s foliage receives light which leads to more efficient photosynthesis and growth.

– Better Air Flow: Removing lower branches and training the plant to grow outward can improve air flow around the plant and reduce the risk of mold or mildew.

– More Control: LST provides more control over the final shape and size of the plant, making it easier to fit into a grow space and maximize yield.

Low Stress Training is a simple and effective technique for increasing yield and improving the overall health of your cannabis plants. By using soft plant ties and monitoring growth, you can create a more productive and manageable plant.

3.5 High Stress Training

High Stress Training (HST) techniques are a bit more extreme than Low Stress Training (LST) methods, but they can also lead to bigger yields. Here are some HST techniques that you can try:

  • Pruning: Pruning involves removing parts of the plant that aren’t contributing to growth. You can prune the top of the plant to encourage it to grow outwards instead of upwards, or you can prune the bottom of the plant to improve airflow and prevent mold and other issues. But be careful not to prune too much or too often, as this can stress the plant too much and reduce overall yield.
  • Defoliation: Defoliation involves removing leaves from the plant to improve airflow, increase light penetration, and encourage bud production. But be careful not to remove too many leaves or you’ll shock the plant and reduce overall yield.
  • ScrOG: ScrOG stands for Screen of Green, and it involves using a screen or net to train the plant’s branches to grow horizontally instead of vertically. This increases the surface area of the plant, which leads to bigger yields. But this technique requires a bit more planning and setup than some of the others.
  • Mainlining: Mainlining involves pruning the plant down to just a few branches and then training those branches to grow in a specific way. This can lead to bigger yields and a more even canopy, but it requires some advanced knowledge and a lot of patience.

Remember, these HST techniques are a bit more extreme than LST methods, so be sure to do your research and proceed with caution. But if done correctly, HST can lead to bigger yields and a more efficient grow process.

Maximizing Your Yield with HST

When it comes to growing cannabis, yield is king. Every grower wants to maximize their harvest and get the most out of their plants. One way to achieve this is through the use of HST or High Stress Training techniques. By applying stress to your cannabis plants in a controlled manner, you can stimulate growth and ultimately increase your yield. In this section, we will explore the different methods for applying HST and how they can help you achieve a higher yield. We will also discuss the importance of managing stress levels and streamlining your grow process to ensure you get the most out of your plants. So, let’s dive in and learn how to maximize your yield with HST techniques.

4.1 HST for Higher Yields

The use of HST techniques can have a significant impact on the ultimate yield of your cannabis crop. By applying stress to your plants, you stimulate growth and promote the development of additional colas, ultimately resulting in a higher yield. However, it is important to note that the benefits of HST will only be fully realized if the techniques are used correctly and at the right time.

One of the main benefits of HST is that it helps to create a bushier, more productive plant. By removing the apical meristem through topping or FIMing, the plant will grow more side branches, resulting in more colas and ultimately more buds. This is particularly important for indoor growers, who have limited space and need to maximize yield from each plant.

Another benefit of HST is that it can help to create a more even canopy, with all branches receiving equal amounts of light. This can help to prevent the development of large, shaded leaves that can impede the growth of lower branches. By training your plants using low stress techniques like super cropping or LST, you can ensure that every bud site receives the optimal amount of light.

However, it is important to note that applying too much stress can be counterproductive and may result in reduced yield. This is why it is crucial to manage stress levels carefully and to use HST techniques in a way that is appropriate for your specific strain and growing environment. By streamlining your grow process and selecting the ideal HST techniques for your plants, you can maximize yield and take your cannabis crop to the next level.

Benefits of HST for Higher Yields

Benefits Techniques
Promotes bushier plant growth Topping, FIMing
Creates more even canopy Super Cropping, LST
Maximizes yield from limited space Topping, FIMing
Stimulates growth and development of additional colas All HST techniques
Prevents development of large, shaded leaves Super Cropping, LST

4.2 Managing Stress Levels

One crucial aspect of HST techniques is managing stress levels to ensure your plants stay healthy and yield maximum results. Stress can be both positive and negative for plants, and it’s essential to maintain a balance to achieve optimal results.

Positive stress can help plants develop stronger stems, promote increased nutrient uptake, and stimulate growth.

However, negative stress can cause irreparable harm to plants, leading to stunted growth, damaged foliage, and poor yields. It’s important to monitor stress levels and employ techniques that keep stress at an ideal level.

To manage stress levels during HST, you can use a variety of techniques, including:

Technique How it works
Low Stress Training (LST) Gradually bending and securing stems to promote lateral growth
High Stress Training (HST) Intentionally harming the plant to promote healing and growth
Supplemental Nutrients Providing additional nutrients to help the plant cope with stress
Proper Watering Techniques Avoiding over or underwatering, which can stress plants
Optimizing Grow Environment Ensuring proper temperature, humidity, and lighting to reduce stress factors

By monitoring and managing stress levels, you can achieve optimal results and increase your yield. It’s essential to track the progress of your plants and adjust your techniques accordingly to maintain a balance of positive and negative stress.

4.3 Streamlining Your Grow Process

As you incorporate HST techniques to increase your cannabis yield, it’s important to also streamline your grow process to maximize efficiency. Here are some tips to help you optimize your grow operation:

1. Keep Track of Your Progress Documenting your grow process can help you identify areas of improvement and adjust your strategies accordingly to boost your yield. Note down the dates you apply HST techniques, the quantities and types of nutrients you use, as well as the growth rate and overall health of your plants. Keeping track of your progress regularly can help you avoid costly mistakes and refine your techniques over time.
2. Use Quality Materials and Equipment Using high-quality grow tents, lighting systems, nutrients, and other growing materials can have a significant impact on your yield. Investing in quality equipment can help you save time and money by reducing the need for constant replacements or repairs.
3. Automate Your Grow Process Automating your grow process can help you save time and increase your yield. You can use automatic watering systems, light timers, and other smart sensors to control your grow operation from a remote location or through a mobile app. This can help you optimize light and water cycles, monitor plant growth, and avoid common issues such as over-watering or nutrient deficiencies.
4. Embrace Efficiency Time is money, especially when it comes to growing cannabis. There are many tricks and tips you can use to save time, such as using a self-watering system, pruning your plants efficiently, and utilizing the right nutrients at the right time. By streamlining your grow process and embracing efficiency, you can maximize your yield and minimize your labor costs.

By combining HST techniques with an optimized grow process, you can increase your yield, improve the quality of your bud, and ultimately, grow cannabis like a professional.


In conclusion, HST techniques can be utilized to increase yields and improve overall plant health. It involves applying stress to a cannabis plant in a controlled manner during specific stages of its growth.

By understanding the benefits of different techniques such as topping, FIMing, super cropping, low stress training, and high stress training, growers can maximize their yield potential. Timing is also crucial and should be carefully considered before implementing any HST technique.

Additionally, managing stress levels is paramount as excessive stress can have negative effects on the plant’s growth and yield. Therefore, it is important to streamline the grow process and maintain a balance between stress and recovery.

Overall, integrating HST techniques into a cannabis growing operation can bring many benefits, including higher yields, improved plant health, and a more efficient grow process. With proper planning and execution, growers can enjoy the rewards of HST in their harvests.

Frequently Asked Questions

1. What is the main goal of HST?

The main goal of HST is to increase cannabis yields by stressing the plants in a controlled manner.

2. When is the best time to apply HST?

The best time to apply HST is during the vegetative phase when the plants are actively growing.

3. What are the benefits of using HST techniques?

Using HST techniques can result in higher yields, increased potency, and better plant health.

4. Can HST be harmful to plants?

Yes, HST can be harmful to plants if done improperly. Over-stressing plants can lead to stunted growth or even death.

5. What factors should be considered before applying HST?

Factors to consider include plant health, strain characteristics, environmental conditions, and grower experience.

6. What is topping?

Topping is a HST technique that involves cutting off the tip of the main stem to encourage bushier growth.

7. What is FIMing?

FIMing is a HST technique similar to topping where only a portion of the main stem is removed to encourage bushier growth.

8. What is super cropping?

Super cropping involves bending the plant’s stems gently to promote lateral growth and increase yields.

9. What is low stress training?

Low stress training involves gently bending and tying down the plant’s stems to encourage horizontal growth and increase yields.

10. What is high stress training?

High stress training involves more severe techniques such as topping or super cropping to stress the plant and increase yields.


We will be happy to hear your thoughts

Leave a reply

Solve : *
42 ⁄ 21 =

420 Grow Radar