Plants are more intelligent and responsive than you think. They gather information from their environment and use it accordingly for their protection and their growth. This survival act can then be used by the grower to orchestrate desired results. This means that the grower can actually have a huge amount of influence on the growth of their plant if he/she chooses to do so.
So, what in their environment causes such changes? Well, one would be the light that the plant is absorbing. Did you know that spectrum (or color) will have an influence on the growth of the plant? As we all know, the light from the sun is more than just the color white and some spectrum or color are used differently by the plant. This just shows how smart plants can be!
As stated above, plants are influenced by the color of light that it is absorbing. Naturally, the next step is to answer the questions “what are the colors that the plant uses?” and “what are the effects of these colors?” There is actually only a few spectrum that could take an effect on the plant, namely blue and yellow/red.
Let’s start! When plants absorb blue light, it signals them that it’s time for them to grow big fanned out leaves. This spectrum is best used during the vegetative stage of the plant as it supplements its current growth. Generally speaking, plants that absorbed blue lights during the vegetative stage would look short but wide.
On the other hand, when plants absorb yellow/red lights, the plants tend to grow upwards in length. This usually happens during the flowering stage as it promotes budding and pollination. Plants absorbing red light would generally enter the flowering stage sooner than blue light.
It’s important to note that even though plants are influenced by the color of the light, the actual growth of the plant still heavily depends on the sheer amount of light present in its environment; in general, more light will mean more yield! Remember to be extra careful, too much light can destroy your crops! Stress from light usually happens if the grower exposes their herbs to light during the period where there should be no light at all (AKA Lights-out phase). Doing so might turn the plant into a hermaphrodite (hermie for short) which may ruin your crops! The solution? If you really have to check on your plants during lights-out, you may opt to use GREEN LIGHT. Generally, plants do not absorb green light and only reflects it. This is actually the reason why some plants appear green to us.
Now that we know what the lights can do, the next step is to know where to get these lights! Lights or Grow Lights are actually pretty common in the market. You probably would not have much of a problem looking for some. However, it’s still important to know your stuff for your crop.
For blue lights, it’s recommended to use metal halide grow lights or bright white fluorescent lights. Be sure to use this during the vegetative stage as it helps your sapling grow wide and short instead of tall and thin.
For red lights, a grower can use LED lights. Red lights will allow your plant to grow taller which may be useful during the flowering stage. As stated above, it promotes budding and pollination.
To summarize everything, a blue light will mean short and wide crops while yellow/red light will give you tall crops for budding. Green light, on the other hand, can be used to avoid stressing your plants during lights-out stage. Also, the amount of light is still more important to what color a grower must use when it comes to the actual yield. With all that said, it’s important to note that there is no “best” light to use. As a grower, it is up to you what color of light you can use for your plants depending on its development, be creative!
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