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Topping vs Fimming which is Better

This debate has been discussed for quite a long time now, Topping vs Fimming which is better? To be able to tackle this, let us first go through their similarities. Both these techniques are considered to be a high-stress training method that if done correctly can really improve the quantity and the quality of your harvest.

The idea behind these techniques is to sacrifice a part of the plant in its early life in order to produce more tops which then become colas, meaning more bud sites. Here we will discuss which training method is better for you and your growing situation and understand which training method is better for your plants? Read and learn about the advantages and disadvantages of each and we will try to answer the question of, Topping vs Fimming which is better and which one works best for me? Let’s proceed.

What is Topping

This is a technique utilized by weed growers when their plants are still in the vegetative phase of the plant’s life cycle. Topping is done by cutting off the top part of the plant to cease vertical growth and instead encourage growth laterally specifically on the bottom parts of the plant. This will result in a bushier and shorter cannabis plant that has more prominent branches that in turn increases the number of bud sites hence more yield during harvest. Once a plant is topped, this will start to redistribute hormones on its lower portions allowing smaller branches to grow and produce larger and denser flowers or buds.

How to Top Cannabis Plants?

You would need to ensure that the plant has grown enough and is into the vegetative stage to ensure they can handle the high-stress and will be able to recover quickly enough to get the results correctly. If a plant is exposed in this HST or high-stress training method, the resulting cannabis plant will really flourish especially when they are able to get through losing a part of its structure. Next, make sure you use a sterile tool to do the cutting and this is usually done by disinfecting the blade or scissors with rubbing alcohol.

When topping a plant, a rule of thumb is to ensure that the plant is healthy and make sure to only cut above the 3rd node and never below it. This is to make sure that the plant can handle all the stress that they will undergo hence resulting in having more prominent branches at the bottom of the plant. Make sure to monitor the plant during the recovery process and during which you can notice rapid growth at the lower portion. This may go on for a couple of weeks at which point once leaves start to grow again, then you can perform another topping. You can top as much as you want and this is dependent on how many branches you want to end with, just make sure to allow the plant to recover fully before any cutting is done.

What is Fimming

Believe it or not, this technique was discovered through an accident hence the name “FIM” which actually means “F*%k I missed!”. This was done by a grower who was topping his plants and accidentally positioned the cut a bit higher. This technique is widely used nowadays as this can dramatically improve the yield of your plant while also making it manageable height-wise. The main difference between topping and fimming is solely on the position on where to place the cut. In fimming, you remove only the new growth on the top of the plant instead of cutting between the nodes, which is what topping is. Many growers prefer fimming their plants because it can assure bigger yields. After all, this allows the plant to produce 4 colas in one while this also does not cause as much stress as topping does, hence the plant can recover faster.

How to FIM Cannabis Plants

Similar to topping, you would need to ensure a few things first. One is that the plant must be healthy and has grown enough into its vegetative stage to ensure they can handle the stress. Also, always remember the rule of thumb that the plant must have reached the 3rd node, considering the above prerequisites before performing fimming on the cannabis plant. Make sure you use a sterile tool to do the cutting and this is usually done by disinfecting the blade or scissors with rubbing alcohol. The idea is to cut the new growth on the tip of the plant in half and make sure you do a clean cut every time.

Again, always monitor your plant after any HST is performed and you will notice that the plant will start to grow new colas where the fimming has been done. Also, take note that the recovery time of fimming is considerable faster than topping your cannabis plant.

Topping vs Fimming which is better for me?

These two HST or high stress training methods are both excellent in terms of results especially if this is done correctly. So, to answer the question, Topping or fimming which is better to use? We’ll generally, this can be a very subjective topic, meaning what is better for a particular grower may not be at all the same for another. Basically, it will all fall down on what your current growing situation is and what form of cannabis plant you want to end up with. The below will let you know the overview of each technique.

Why Topping

  • Part of the plant between the nodes will be removed
  • Produces 2 prominent colas
  • More stressful to plants with longer recovery time needed
  • Performed to reduce height
  • Produces larger, bushier plant structures that will require less support compared to fimmed plants.
  • New colas has even spaces between them

Why FIMming

  • 1. Only a part of the new growth will be removed
  • 2. Less traumatic for the plant with less recovery time needed
  • 3. Produces 4 main colas
  • 4. Perfect for growing in limited space
  • 5. May require additional support for the plant to hold up due to the wait of the additional colas