Different Types of Grow Lights for Indoor Plants and How to Choose One

Jul 9, 2021

Do you know that greenhouse LED grow lights emit enough light to facilitate the growth of indoor plants? There are different types of grow lights for indoor plants that you can choose from to give your plants the love, warmth, and nourishment they deserve.

(Copyright photo from: https://unsplash.com/photos/SOWScA1O2Zs)
(Copyright photo from: https://unsplash.com/photos/SOWScA1O2Zs)

Different Types of Grow Lights for Indoor Plants

To assess which horticultural grow light is better and choose from the many different types of grow lights for indoor plants, here are the different types of grow lights for indoor plants and their features.

1. UV Grow Lights for Plants

UV Grow lights are one of the common types of grow lights for indoor plants to make the leaves of your plant greener, healthier, with an enhanced smell and flavor.


UV grow lights play an essential role in the field of horticulture. Besides acting as a source of growth and sustenance for the plants, the UV diodes present in the UV grow lights emit 75% more UV light than other traditional sources.


UV grow lights, especially UV-A lights, are one of the safest growing lights for plants and can be beneficial for plants' growth. Exposure to this light can increase the process of photosynthesis by 12%. UV-A lights also increase plant yield, leaf size, and growth potential of the plants.


Unless the energy emitted out of UV grow lights is regulated, it can dry up the leaves. The wavelength of the light should be in proportion to the size and shape of the leaves to ensure they do not end up being harmful to the plants.

  1. CFL Grow Lights for Plants

When you are growing plants indoors, you need options that boost the healthy development of your plants. CFL grow lights for plants have been one of your choices in the market. They are an excellent investment if you are looking for efficient ways to bring up your plants.


CFL grow lights are available in different spectrums, each helping in the vegetative development of the plants. In addition, they assist in the cultivation of different breeds of plants by mimicking different temperatures, colors and balancing the intensity of the light.


These grow lights emit safe levels of heat and light. Therefore, even if they are kept close to the plants, it is unlikely that the leaves to get ruined, dried, or burnt. In addition, CFL lights can be easily placed in different positions to ensure that every part of the plant receives adequate light and energy.


Since the penetration power of the CFL grow lights are weak, they are advised to be only used for flat and small plants. In addition, they have a small yield per watt and are not recommended to be used when the plant is at its vegetative stage.

  1. HPS Grow Lights for Plants

If you have a shoestring budget but want to create a beautiful indoor garden, your first purchase must be high-pressure sodium grow light. To introduce high-pressure sodium grow light, we must first understand why it is different from low-pressure sodium grow light:

LPS Grow Light

HPS Grow Light

Takes up more space.

Takes up less space and is more portable.

The intensity of LPS Grow Lights is lower.

Higher intensity in comparison to LPS Grow Lights.

Does not produce pollution.

Can produce pollution due to the presence of mercury.

Then we will move on to the features of high-pressure sodium grow light:


HPS grow lights for plants are one of the most used forms of grow light for horticulture of plants. Besides yellow/red light, they emit a small amount of every colored light, ensuring proper growth of even the smallest part of a plant.


HPS grow lights for plants can help the plants achieve maximum yield by consuming the smallest amount of electricity. As a result, it is one of the cheapest alternatives for growing indoor plants, along with being extremely energy efficient.


One downfall of HPS grows light is that it uses a substantial amount of mercury. Therefore, when you are trying to dispose of it, you need to be vigilant and ensure that it doesn't pollute any other substance it comes in contact with.

  1. LED Grow Lights for Plants

When covering the topic of grow lights for indoor plants, LED grow lights are the best grow lights for indoor plants. If you love to have plants indoors but are not good at taking proper care of them, you need to purchase the best LED grow lights for plants right away.


There is a vast range of LED lights in the market, so you need to be careful while choosing the appropriate one for your plants. Ensure the light's wavelength output matches your plants; it emits enough light to nourish the plant and works efficiently even on less power.


LED grow lights consume less power and are more efficient. In addition, they offer a sizable spectrum of light to the plants and remain relatively cooler instead of other systems of providing light. Since they offer full spectrum illumination, if you want your plants to thrive and flourish indoors, LED grow lights are possibly the best option to go for. Concerning other options, they are affordable and have a long shelf life as well.


The area covered by LED grow lights is generally less in comparison to other lights. However, they also produce a very bright, blue-colored light, which, if directly looked at, can harm the human eyes.

Common FAQs about different types of grow lights for indoor plants

  1. Does LED Light Attract Bugs?

LEDs that emit light with a short wavelength in the hues of blue color. Deep blue and white are susceptible to attracting more bugs. When the light coming out of an LED has a longer wavelength, it produces very little UV light and a scant amount of heat, making it less attractive to bugs.

How Close Should Grow Lights be to Plants?

Grow lights should not be any further than 12 inches from the plants. If you hang the lights at a distance of more than 12 inches, your plants will not get the required light energy that is important for their growth.

Besides this, the size and the shape of the commercial LED grow light must also be taken into consideration before deciding how close or far you want to place the lights from the plants.

Are Grow Lights bad for Your Eyes?

LED lights with high intensity have the capability of causing damage to any part of the body it comes in contact with. It is advised to avoid looking at the LED grow lights directly as it emits a lot of blue diodes and UV diodes that can be proven harmful for the lights. If you stare at a grow light that emits light of great intensity, it has the potential to ruin your eyesight, so be careful and exercise caution.

About Refond

Now that you are aware of the different types of grow lights for indoor plants and are trying to finalize some of the best grow lights for indoor plants that will yield you maximum results at an affordable price, head on to Refond to make your purchase.

Refond offers a wide array of products, including top of the best horticulture lighting. To know more about Refond and how they have massively contributed to the scientific and technological world, make sure to get in touch with Refond experts.