What Color Light is Best for Plant Growth (Ultimate Guide)

(Last Updated On: January 1, 2021)

As much you research about your plant growth, as much you will get the best result of your planting or green housing. That’s why knowing about what color light is the best for plant growth is an important factor.

This article is going to help you understand all aspects of color lights, so you can observe your planting facts.

What Color Light is Best for Plant Growth?

A precise answer is – the blue color is most effective for the fast growth of a plant. But, it doesn’t mean that other colors don’t affect the plants. All the colors are maximally or minimally effective for plants’ healthy growth.

Think about a simple question to be clearer. What is the color of sunlight? Is it white or yellow? You know no, right? You know sunlight is a combination of all colors. That’s why it looks white or yellowish.

So, get to the point – isn’t sunlight is the best for growing your plants? Yes, without any doubt. In this way, it’s a logical observation to relate the color light for the best growth of plants. However, the scientific investigation shows that the combination of blue and red color creates reactions on plants substantially.

Under What Color do Plants Grow Best?

As mentioned earlier, the mixture of red and blue helps plants to grow ideally. There is also an ideal ratio of red to blue which is 5:1. But, it’s a variable measurement relying on the different types of plants and their growth stage. And, one key point to note that without blue light red light is fully fragile in planting.

Eager to know more about other colors’ impact on plants? Then, look over the different color lights’ influences on the development and burgeoning of plants.

Ultra-Violet: Unlike human plants also have side effects in getting ultraviolet.

Violet: The wavelength of the violet color is shorter than the others. But still, it helps to grow plants mixing with the blue and red light. The enhancements of plant color, taste, and smell come through using violate.

Yellow or White: Yellow or white light is least useful to grow, but it acts as sunlight rays during the photosynthesis process.

Green: Although plants look green, they don’t absorb much green light for growing. It works as a photoreceptor when completing photosynthetic procedures. It’s also important to get deeper all other colors of the plant.

Blue: The first and foremost essential color is blue to develop the plant growing. Because chlorophyll is absorbed in using blue color and then helps to photosynthesis process convert to energy.

Red: The second best useful color is red. It works nothing alone but becomes greatly effective when combining with blue. The fact is – red color especially needs to be used more in the flowering stage. Here are more details about best grow light for flowering stage.

Summation of What Color is the Best for Plants

In addition, precision can be observed all colors necessarily have impacts on plant growth. But, the most influential colors are red and blue.

Researchers said that it is ideal to reveal 90% red and 10% blue light for getting the most peaking plants. You can add or remove light according to the necessity of a growing period. Because some plant needs more light.

On the other hand, some plants need less intensity of light. Also, light intensity depends on the different stages of the plants’ growth cycle as well as plant types. So, during growth time observe the type of plants along with the growing stages.

What Color Light Is Best for Photosynthesis?

In the plants there are different substances which are called pigments. These pigments absorb the different color lights in the periods of plants life span. As lights also have kinds of wavelengths, pigments suck up the several wavelengths of lights.

You may know the photosynthesis procedure relates some steps of a chemical reaction. And in this process, organisms of photosynthetic like plants and algae utilize light radiation from the spectrum. The chloroplast is the special pigment in plant cells that is the main driver to continue a chain reaction of Photosynthesis.

Following elements represent the absorption range of light color during photosynthesis:

Chlorophyll A: Chlorophyll A is the most extensive contained elements in the plants. Using the wavelengths of 430 nanometers (nm) blue and red light of 662 nm, it helps the plant to appear green.

Chlorophyll B: It’s almost similar to Chlorophyll A but mostly exists in green algae and plants. It uses blue light of 453 nm and red light 642 nm.

Carotenoids:  Carotenoids always consists of the Photosynthesis procedure. Greenlight between 460 nm and 550 nm is absorbed by Carotenoids. Blue light is also absorbed here. Carotenoid passes energy to the chlorophyll. The plants that have plenty of carotenoids look red, orange, or yellow.

Therefore, photosynthesis is the major process of growing plants from the vegetative stage to the flowering stage. Blue and red color wavelengths are abundantly absorbed in pigments.

What Color LED Grow Light Is Best for Plants?

So many options can be chosen to get the right one. But, high yield led grow lights should be purchased to give perfect light reflection info to your plants. Because the above points indicate that different colors of lights are useful for the different purposes of the plants.

There are several types of grow lights in the market that are available in the market which look like the purple color. But, the purple lights are made of two-color diodes – blue and red.

To identify the best color LED light, you can check features of light like the below-mentioned lights.

  • Advanced Platinum LED light that contains blue, red, and white diodes.
  • Full Spectrum LED grow white lights.
  • King LED line of lights.

Generally speaking, you should prefer the alternative of lights that all combinations of featured lights. Although grow lights can never be most intensified as same as sunlight, you can choose the best that contains a full ray of lights.

Final Interpretation

Concentration on grow lights color might be seductive to consider the blue and red color light. Still, other colors are a bit necessary for the active growth of your plants. And, if you become concerned more about the intensification of red and blue color, then the function of plant growth will be assimilated along with other colors.

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