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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



From the time your seedling germinates to the time you make your last feeding before harvesting mature buds –  the health, stability, and ultimately a satisfying yield depend instrumentally on the nutrients.

Understanding the specific needs of the cannabis plant is crucial for optimal growth. WeGrow is here to help guide you through the nutrient selection process. Following a timely feeding schedule during vegetative growth will ensure your young plants receive ample fortification and nourishment to prepare for the next step: the flowering cycle. Throughout the flowering cycle the cannabis plant requires certain new combinations of nutrients to make a fruitful bloom happen.

Keep reading for some exclusive WeGrow tips to make your nutrient search quick, painless and affordable:

Vegetative Growth:

As your seed, cutting or clone grows, it requires a base level of nutrient fortification to keep it on track. Since your (hopefully) healthy young cannabis plant has yet to have time to develop deficiencies, it is important to include a bit of preventative practice. This will ensure that it is getting accustomed to nutrients that will help it overcome problems later. “A” & “B” classified nutrients are a cannabis industry standard and are sold by many brands.



These nutrients will be your plants’ regular feed for the entirety of its life cycle.

You should use these nutrients as a base in conjunction with other supplements that we will detail below:

 




Rapid Start:

RapidStart is a an extremely helpful solution that delivers nourishment to the roots of the plant, while simultaneously supporting the plant’s growth and ultimate yield. This “rooting enhancer” can be used in both major stages of the cannabis plant’s life cycle.


Cal Mag:

Cal-Mag Plus is an essential supplement meant to account for deficiencies that may occur within the plant’s growth cycle. When used with other essential nutrients, Cal-Mag Plus’ supply of calcium, magnesium and iron work to ensure a healthy and robust harvest. It should be used in both vegetative and flowering stages.

 

Flowering:

So, you’ve made it through your plants’ vegetative stage, you’ve settled them into their new bigger pot environments, they are looking strong and now you are ready to “flip” them into flowering. The first two weeks of the flowering cycle (8 week total as standard, some strains may take longer/shorter to fully mature) are vital to how the plants starts to develop buds. It is important to keep a heightened “A” & “B” regimen in addition to these time-dependent supplements:

P/K:
As you near your 2nd week of flowering, add some Phosphorous & Potassium for higher yields. 


Bloom Solution:

Utilizing an effective Bloom Solution is very important to your garden’s flowering period. Be sure to add this supplement to your regular feedings, but do not overfeed. 


Knowing the right nutrients to use is certainly crucial, but it is also extremely important to understand when NOT to use them. This occurs twice during a plant’s growth cycle. The first is immediately after you have taken your cuttings; introducing nutrients right away will shock the young clones, stunting their growth and often times causing your young plant to die. Spray nutrient-less filtered water on the fan leaves to ensure proper moisture.

The second time you should not use nutrients is before harvesting; allow at least a full week of nutrient-less filtered watering to ensure that your harvest tastes and smells great!

Keep following WeGrow for more information, industry updates, tips, tricks & hacks to get the most out of your grow!

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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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