5000k vs 6500k For Plants- Know The Difference

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Last Updated on June 20, 2021

You may have come across some color temperature values especially these two options: 5000k and 6500k. Now, the question is which better option when it comes to 5000k vs 6500k for your plants growth?

Different people or even experts may recommend you go for either one because they are better and you end up getting confused. But in the actual sense, which one is really better in 5000k vs 6500k for your plants?

To answer your troubling questions, we have put together this article for you to know the difference between 5000k and 6500k. So, continue reading to find out the answer.

Kelvin Color Temperature

Before we look into 5000k vs 6500k for plants, let’s have an idea of what Kelvin’s color temperature is. Kelvin’s color temperature illustrates the look of light supplied by a given light bulb. The measurement of color temperature is in Kelvin (K) and the Kelvin scale ranges from 1,000 to 10,000.

Kelvin scale is used to measure or determine the source of light and the direction the light spectrum follows. Now if you want to describe or have an idea of how the light appears, color temperature is used. On a Kelvin scale, the lesser numbers 1000k to 3000k fall under orange and yellow while the higher numbers around 4000k to 7000k fall under blue.

Kelvin Color Temperature

The Importance Of Color Temperature For Plants

Color temperature is very crucial for the growth of plants as it will tell you the spectrum of light required. Growing various plants indoors will require you to recreate the light supplied by the sun.

Light serves as the energy in plants used in their developments. Photosynthesis makes use of light to make food and certain chemicals or pigments on the leaves make this possible.

The pigment chlorophyll present in plants allows light to be absorbed for their use. Chlorophyll will take in the different light spectrum at different rates. So, getting the right color temperature values for your plants’ growth is important.

Also, note that the distance you place your light source will determine the light intensity supplied to your plant. If the light source is moved closer to your plants they will receive more light intensity and vice versa.  However, ensure the heat emitted from your grow light is minimal to prevent your plants from burning.

6500k vs 5000k For Plants: Which Is Better?

Generally, plants will grow optimally between the 2700k and 7000k range. This range is very similar to natural sunlight which helps plants grow better. So, when it comes to 500k vs 6500k, we can say they fall into the perfect Kelvin scale range ideal for plant growth.

If you’re already making use of either 5000k or 6500k and it is working for you perfectly, then there’s no reason to change. They will both offer your plants pretty similar results. If you keep asking different people what the best color temperature between 5000k and 6500k, you will keep getting up to 10 different answers.

Ideally, your plants will benefit from anything daylight ranging from 5000k to 6500k. So, you can stick with whichever one.

Both 5000k and 6500k are great for the vegetative phase, flowering phase, and fruiting phase. So, they are ideal for the general growth of your plants.

The only difference between 5000k and 6500k is that 5000k is considered morning light. On the other hand, 6500k may be regarded as noon light.

Which Is Brighter In 5000K vs 6500K?

The Kelvin color temperature does not depend on brightness. For instance, a LED light with 6500k could be dim and have a lamp of 5000k that is extremely bright and vice versa.

The color temperature of Kelvin will not tell you how anything about the brightness of a light source. It will only determine or measure the source of light and the direction of the light spectrum.

There are various ways to determine brightness but one common way you can determine the brightness is through the lumen. Higher lumen results in brighter light and it measures the intensity of light that we humans can see.

Therefore, the combination of Kelvin and lumen will give you a hint of how good the light intensity of a certain grow light is.

Final Say 5000k for veg vs 6500k for veg Plants

So, we have concluded that there’s isn’t much difference when it comes to 5000k vs 6500k for plants. Your plants will do well with either one of these color temperature values.


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