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Growing Cannabis: 10 Proven Tips to Increase Yield

Stephen Campbell October 17, 2019

Here are 10 Proven Tips to Increase your Cannabis Yields


So you’re taking the leap and starting to grow your own cannabis! If you’re anything like most people you might be a little nervous and pretty confused about how to grow the best plants, that’s why we’re here to help.Maybe you’ve never grown before, or maybe you’re ready to take your cultivation game to the next level, whatever the challenge Grobo is here for you. One of our passions at Grobo is sharing our growing knowledge with you so you can become a more confident and successful grower. So here we go with 10 advanced cannabis growing techniques we can all achieve with a bit of practice and support from us at Grobo: 

1. Topping

Topping involves cutting off the top of your plant to encourage it to grow more thick and full around the sides. It might seem like a crazy idea to cut the top off of a perfectly healthy plant, but it is a tried and true method used by farmers. Instead of your plant growing tall and skinny, topping will make your plant grow more bushy and lead to a higher yield in the end


Topping keeps the plant wider which means more of the plant will be directly under the lights, letting the whole plant grow stronger. 

2. Fimming

Similar to topping, but more of a ‘haircut’ than actually removing the whole top. It is less traumatic to the plant. Fimming encourages bushy growth and increases cola yields


This is more of a training technique for young cannabis plants, which encourages bushy growth, increases extra flowering and lateral branching. This technique popped through people's mistakes while trying to do the Topping technique. 


Now to the big question – how does fimming work? 


Generally Fimming is not used intentionally, Topping is a much more effective growing technique for your cannabis plant. Topping will more reliably encourage a healthier, bigger cannabis plant.

3. Lollipopping

Lollipopping is where you remove the side branches and the small low branches on your plant. Once you remove the small branches your plant will be able to put all of its energy into the main branches. It’s very similar to the regular pruning that is done to trees and other plants where you don’t want the small branches sucking the energy from your plant. Removing the sluggish lower branches that often sprout along the base will also allow better air circulation for your young cannabis plant. 


Lollipopping will get rid of the extra, unwanted parts of your cannabis plant so that your young plant can put its energy into growing, giving you a higher yield in the end.  


4. LST (Low Stress Training)

Low Stress Training involves bending the branches slowly so that they grow in a certain direction. This is similar to putting braces on your teeth. 


You might be wondering if it’s o.k. to stress plants, but the truth is plants are able to undergo stress too, just like our teeth!The reason we stress plants is to bend our plants into a shape that best fits the available space and makes sure it is growing in the right direction. 


5. Monster Cropping

This technique has the name Monster Cropping because it results in so many flowering plants, it has almost a monster result. Monster Cropping is where you take clones of a plant during the flowering phase and replant them. When you take clones during this growing phase, the clones very quickly flower as well, which leads to many, many flowering plants all at once! 


A benefit of flowering clones is that they grow very bushy, with lots of nodes and side branches (remember how Topping and Fimming were trying to do just that? More side branches means more of the plant is exposed to the light). 


One of the cool things about Monster Cropping is that you don’t have to keep the mother plant in order to let the clones grow. Many times the mother plant becomes big and spreads out, which takes up valuable space. When you take many flowering clones and replant them you can increase your yields and maximize your space. 

6. Super Cropping

Super Cropping is bending (almost breaking) the branches or main stem in order to increase nutrient uptake, resulting in stronger growth and yields. This is a great way to increase your yields if you have a species of plant that can tolerate the stress. 


Folks call this method "high-stress training". You need to be careful to use this technique on a plant that can withstand the stress and then super cropping can grow a cannabis plant that is bushier with more buds. 

7. ScrOG/SCROG (Screen of Green)

Screen of Green is when a screen (usually of netting or chicken-wire) is attached at a certain height above the plants. This makes sure that your plants only grow as high as you’ve chosen. Once your cannabis grows to the height of the screen it will start growing out to the sides, making the plant wider. A shorter, wider plant makes sure that more of the plant is directly exposed to the light above. This is a technique that typically results in a healthy plant and very high yields. 

8. SOG (Sea of Green)

Sea of Green is a fast growing technique that lets you quickly grow many small plants. This is a good method for people who are short on time and need short plants sue to height restrictions.


Sea of Green is where you put many small plants very close together in your grow space. By packing them in tightly you may be restricting their room to grow, but you are ensuring that there isn’t wasted light or wasted space in your tent. Through this technique the plants need a very small amount of time to grow and enter the bud phase, letting you harvest your plant quickly. The restricted space will also mean that there is far less trimming you need to do because it is less likely to grow small branches that can pull the energy away from the main plant.  

9. Flushing

Flushing is where you pour clean water through the soil of a plant in order to flush out all of the nutrients and solids. This is done if the plant is in distress and needs to start with fresh nutrients and growing medium. In a hydroponic system, the water reservoir is drained and refilled with fresh, plain water.

10. Main Lining

Main Lining is a way to make your cannabis plant grow a certain way using one or more of the techniques we’ve listed above. The goal of Main Lining is to make sure every branch has a direct connection to the main stem. On a regular plant the main stem has large branches coming off it with smaller and smaller branches coming off of those. This leads to the large branches receiving more nutrients that the little ones growing off them. Main Lining ensures that every branch is getting the maximum amount of nutrients and every branch gets the same amount.


In order to Main Line you might use previously mentioned techniques such as Lollipopping, LST or Topping. Once you Main Line your cannabis plant you can be confident that every branch is receiving the same amount of nutrients and has access to the same amount of light!


And there you go, 10 Advanced Growing Techniques you can use to maximize your yields. Good luck growing, we’re rooting for you over here at Grobo!




Stephen Campbell 

Stephen has been a medical cannabis patient for the last 15 years in Canada. His passion for growing has led him to become the horticulturalist and customer success lead at Grobo.

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