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Cultivation, Grow Help




Growing cannabis is an artful science. The math of growing fruitful and healthy cannabis buds is just as important as the tender, love and care growers put into their efforts and harvest. An important corne rstone of maintaining a vigorous and bountiful plant and yield is lighting.

Growers from novice to veteran understand the importance of lighting for their cannabis plants. This article will assist you in understanding the fundamentals of the lighting spectrum. 

What is the Lighting Spectrum?

Since the 80’s, government agencies such as NASA have been trialing the effects that LEDs have on plants. We have learned that different ranges of light have many different effects on plants, especially cannabis.



To the naked eye, light only appears white. However, the reality is that light comes in a range of recognizable colors. If you have ever witnessed a rainbow after a storm, then you have an understanding of the spectrum.

The complete spectrum of light (pictured below) is an electromagnetic spectrum that ranges from infrared lights to ultraviolet (UV) light. The light spectrum is also measured in nanometers (nm).

Visible light can range anywhere from 380 nanometers to approximately 750 nanometers. Every organic being on this planet is dependent on light to thrive and survive.

Although sunlight allows a complete spectrum in the form of wavelengths to organic life, it can be quite inefficient for indoor growers. Below, we have provided a fundamental guide to understanding which level of lighting is most effective:

Lighting and the Vegetative Stage

Most studies have shown that lights in the Ultraviolet range are extremely beneficial for the overall body of the plant. Ultraviolet lights, or simply ‘blue light’ is essential in promoting and maintaining healthy and hearty leaves during the vegetative stage.

This is achieved indoors by using lights such as compact fluorescent lamps, or CFLs or metal halide light bulbs. The lights aforementioned are capable of producing 400 to 500 nanometers of lights, or the latter end of the UV light spectrum.



These lights mimic the Sun’s ability to give off the appropriate amount of blue light during the Summer and Spring seasons. 460 nanometers are often regarded as the model number of nanometers of light for cannabis during the vegetative stage.

Green light (495-570 nanometers) has been proven to be the benefactor in yielding lettuce, however, this is not the case when cultivating cannabis.

Lighting and the Flowering Period


When your cannabis plants have become ready to enter the flowering period, the most effective light is infrared or red light. Infrared lighting falls in the range from 620 nanometers to about 780 nanometers.


The goal of the flowering period is to yield the most buds your cannabis plants can physiologically produce.


Scientists have shown that infrared lighting brings the rate of photosynthesis to its apex versus any other light on the spectrum. Some cases note that 660 is an exceptional number of nanometers to produce those big buds.


Infrared lighting imitates the red wavelengths showcased by our Sun during the dog days of Summer and Fall. There is also little evidence that yellow light (570-590 nanometers) is useful for cannabis in its flowering period.


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Cultivation, Grow Help

Many elements make up our world; they are helpful as well as harmful. When it comes to growing cannabis, your choice of medium is important. Moreover, the elements growers feed their cannabis are the factors that determine their plants’ life, their yield and their overall health.

Keep reading for a WeGrow guide to the periodic elements that you should include in your soil. They will surely boost the growth of your garden!

Nitrogen (N)

The average grower recognizes Nitrogen as a ‘fertilizer’. However, Nitrogen possesses many other beneficial properties. For cannabis to produce the proper sugars as well as photosynthesize effectively, Nitrogen is crucial.

Thanks to this macronutrient, your cannabis yields those luscious thick hunter green leaves and bountiful buds. Conversely, most professional growers will inform you that your cannabis needs less Nitrogen during the flowering stage.

Potassium (K)

Second, we have Potassium (K). Most people hear the term ‘potassium’ and think of bananas. However, growers should understand that this macronutrient is also extremely integral to the health of your plants.

Growers also recognize this element as a fertilizer. They use potassium to promote effective water use, deter harmful pathogens and even strengthen their plants on a cellular level.

Moreover, growers use potassium to prevent the yellowing of their plants’ leaves, which is a symptom of a cannabis plant stricken with a plant disease. By including the proper percentage of Potassium in the soil, they are sure to promote the overall vitality of their garden.

Phosphorus (P)

Lastly, we have Phosphorus (P). This element is also a macronutrient with its own share of tremendous properties. Similar to Nitrogen, Phosphorous plays a huge role in the photosynthesis of your cannabis plants. Thanks to Phosphorous, the energy absorbed by the cannabis plant can be effectively distributed throughout its parts.

The metabolic control held by Phosphorus is essential to the overall plant health. Growers who add the appropriate amount of Phosphorus to their soil can yield fantastic results when it is time to harvest their cannabis.

The Magic Formula of Growing 

Now that you have a better understanding of Nitrogen, Phosphorus and Potassium, it is time to learn the balance between these macronutrients. Brands group these three fertilizers together as ‘N-P-K’ due to their periodic table representation. All plants, including cannabis, need a certain percentage of the 3 for optimal vegetation and flowering.

Professional growers will tell you that high levels of Nitrogen as well as Potassium coupled with high Phosphorus levels during the vegetative stage is quite ideal. When flowering your cannabis, it is preferred that growers substantially cut back on the Nitrogen while providing medium and high levels of phosphorus and potassium respectfully.

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Grow Help


Finally, you’ve gotten through ‘The Veg Cycle’ ! (Whew) Congrats! It is now time for the most arduous but rewarding part of the journey to great looking and great tasting buds.

WeGrow is here to help guide you through the essentials of proper flowering. From start to finish, if done the right way, the benefits of your time and attention will come back to you for months and perhaps even years to come.

Hopefully through timely plant management you’ve been able to get your garden looking green, strong, and ready for flowering. And now, let’s kick things into ‘High’ gear. Ready… Set… Grow!

How/When do I start the Flowering Cycle?


Many first-time growers think that the bigger they make their plants during the few months of vegging the better. Although this isn’t necessarily the case, there are certain basic conditions that need to be met so that you make the best out of your plants.

Traditionally, 2 months of vegging and 2 months of flowering is the standard for most growers. Whether you have 6 plants or 60, the key to knowing when to induce flowering lies within the plants themselves. Pay attention to them and they’ll give you the signal.

By this we mean that you should be able to tell that the main branches are strong, flexible and putting out shoots of new and developing branches. No matter the height of the plant, once the branches turn harder and less freshly green they are now ready to handle the weight of the incoming buds.

Consequently, as your plants get to the point of flower they will begin to produce an unmistakable scent dependant on their strain. It’s almost as if they’re enticing you to let their full beauty show by beginning the flowering cycle. If you begin to see, feel and smell these things — it’s time!

First, make sure your flowering environment is entirely free of light exposure. For the first 36 hours of flowering, be sure to keep the lights completely off. After the 36 hours, you are now able to start the 12hr on/12 hr off cycle. Within the first week, you’ll start to see elongated hairs protruding from the branches, and by the 3rd week you’ll start to see your first young buds.  

Essential Nutrients for Flowering

With so many different nutrient products on the market these days it’s important to know which ones are really needed. As your plants move into their first week, you’ll see the start of some growth, and by the third week they’ll have buds developing.

Therefore, during the 2nd week it is important to introduce measured amounts of PK (Phosphate & Potassium) solution. This will boost initial growth for the young plants. If deficiencies appear, be sure to implement some CalMag (Calcium Magnesium) supplements into your regimen with each feeding.

For small to mid-sized growers and especially for those that are just starting out, it is best to start out with a simple Bloom solution. This will kick-start your flowering cycle by providing such essential fertilizers as bat guano (don’t worry, it’s processed in the solution and doesn’t smell!), earthworm castings, rock phosphate & kelp, in addition to the PK. WeGrow recommends FoxFarm for organic gardening.

Cropping/Effective Plant Management


Growers who pay attention close attention to their plants will also do well to carefully adjust them as needed during flowering. By using a process called ‘Lollypopping’ (which we will cover more in depth in an upcoming blog), you meticulously cut the unnecessary parts of the plants that hinder the growth of the upper canopy.


If possible, be sure to change positions (without disturbing their balance) of the plants every couple of days to make sure they get uniform light coverage. By reaching and stretching in different directions to catch light your plants will challenge themselves to develop more and therefore yield a bigger and better harvest.

Notable Strains

NYC Sour Diesel


For a great 50/50 indica/sativa hybrid, look no further than this classic strain. It has a great aroma, unmistakable taste, and a high that will have you feeling great for hours. This one test higher on the yield spectrum and takes 49 days to flower properly.

Purple Headband


This aesthetically pleasing purple princess is another great 50/50 hybrid. Although not quite as big of a yield as the Sour Diesel, this strain more than makes up for it with its pungent smell & taste. – Also at least 49 days of flowering for this one.


The Flowering cycle is the most attention-demanding but also rewarding period in your growing experience. If you do it right you’ll reap the benefits for a long time. But, if you do it wrong you’ve just wasted 4 months of hard work!


Follow WeGrow to ensure that doesn’t happen. Stay tuned for more information, tips, tricks & hacks to get your garden looking grand! Happy Growing!  


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Grow Help

Here at WeGrow, we like to see our growers thrive! That’s why we arm you with all the latest and exclusive cultivation tips to make your harvests the best they can be. Because not everything concerning your plants’ health has to come from the inside of the plant, WeGrow is here to help. ‘Fimming’ and ‘Topping’ are two techniques that all growers should know.

Timely cropping is effective for many different varieties of plant life, but it is especially important for indoor cannabis cultivation.  

Keep reading for an exclusive guide to the specific advantages and uses of ‘fimming’ and ‘topping’.

What is ‘Topping’?

First, it is important to know what to look for when you are getting ready to crop and ‘sculpt’ your plants. Here, growers should be looking for the little fresh nodes of leaf that shoot out of the main branches of the cannabis plant during ‘vegging’:


Within this node, there is a new branch waiting to form. ‘Topping’ is the act of splitting open this kernel and snapping off the main vein. The more kernels you snap off the more ‘tops’ you will have. As you gain experience in this, the act will become natural to you. Doing this will create another branch, and therefore more budding sites.

What is ‘Fimming’?


Fimming can be described as “topping to the max”. With this technique you are taking the same node, finding its kernel and making a broad cut. Holding it with your thumb and finger and use your nails to make a nice pinch:

Unlike topping, here you are leaving the main vain intact and instead making sure to crop the leafy parts above it. Similarly to topping, however, this will cause the plant to widen and to create more budding sites.

What’s the Difference?

For most growers, the main difference here depends largely upon the size of your grow. If you have a lot of room to work with, fimming would be your best bet because it will really make your plants wide and robust. More branches means more buds. It is also beneficial if you are training your plants to grow more squat than tall.

If you have limited space but still want to ensure optimization, topping will be your best choice. Your plants may not have the width of those that have been fimmed, however you will still get extra offshoots and more buds with this method.

Cannabis cultivation is a science that depends on the diligence of its scientists. Small to mid-sized growers in the 21st century are lucky to have lots of information at hand. Growers who know how to crop their plants properly will surely reap the benefits of their efforts.

Follow WeGrow for more exclusive cultivation techniques, tips & tricks, and current news that will make your harvest the best it can be! Happy Growing!

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Grow Help



Small to mid-sized growers with indoor home-grows will tell you to pay close attention during your plants’ ‘Veg Cycle’. It is the time that your young seedlings or clones need the most care. Therefore, having a top notch regimen is crucial.

From the nutrients that you use, to the amount and type of light that you give, every little detail matters. Experienced growers with many harvests under their belts will agree. Yielding those sticky, smelly, & potent buds depends completely on a hearty veg cycle.

WeGrow is here to help guide you to a fruitful harvest. Keep reading for some exclusive cultivation tips, tricks and hacks!

Nutrients


Firstly, the most important nutrient tip we can give to growers is to “start small”. By this we mean that because your plants are just starting their lifespan, you always want to start with the lowest ppm (parts per million) levels of nutrients.

While your first instinct may be to jump start your plants by drenching them with food, this is wrong. Too much nutrients too soon will shock the plants and set them back greatly.

Our next tip to ensure proper ‘vegging’ is to have some supplemental nutrients to help your plants overcome deficiencies. Be sure to include low levels of CalMag (calcium-magnesium) in your regular feedings. Increase as needed.

As plants develop above their medium, their roots need to be nourished too. Use some Rapid Start with each feeding to ensure healthy root systems.

Light Ratios

Next, indoor growers need to pay special attention to their light sources during the veg cycle. We recommend the VividGro GroBar. These lights will ensure that your plants get full coverage while being extremely energy efficient.


Growers also need to be careful about how large or small they make their plants’ photoperiod. For plants to remain in the vegetative state they need at least 18 hours of light per day. 24 hours of uninterrupted light is the industry standard, but it is not necessary.

Temperature


Lastly, successful growers need to control the heat index of their gardens. Cannabis plants cannot survive extremes swings of temperature. Be sure to stay on top of this factor, especially during the cold of the winter and the heat of the summer. Indoor grows depends on electricity. And because power outages and equipment failures are common, it pays to be careful.

Keep your vegging plants at a temperature around 72 degrees Fahrenheit. Dropping below 60 degrees or reaching above 84 degrees is not conducive to proper growth.

The ‘Veg Cycle’ of your cannabis plants is a crucial time. It is a period in which they grow, strengthen and develop into mature plants capable of robust flowering. Following these tips will make your harvests soar!

Follow WeGrow to stay current on news, tips, tricks and hacks to make your cultivation efforts a breeze!

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