Can Grow Lights Burn Your Houseplants?

If a plant is exposed to too much light, regardless of whether it’s artificial or natural it may begin showing signs of stress. But, heat and light are two distinct things. While certain grow lights produce enough heat to destroy the leaves of a plant it’s not the actual light that is burning them.

Every plant needs lighting to thrive, but when you’re using artificial lighting for indoor plants, you might be concerned about whether you’re providing the plants too many lights. Perhaps you’re wondering ” how far should LED grow lights be from plants?

A lot of people worry over burning the plants using grow lights. However, with the correct lighting, proper setup and monitoring, there’s very low chance of finding burn marks on your plants.

Read on to learn more about grow lights, the dangers of LED or fluorescent plants, and the best way to use them correctly.

Can you burn Plants using Grow Lights?

It is possible to burn your plants – regardless of the type using grow lights. However, it’s not always the intensity of light that causes the burning.

Instead, grow lights that produce a lot of heat and, if located too closely to the plants, they can cause photo-bleaching or even cause the leaves to burn.

It is possible to avoid this however, through careful monitoring of the lights and plants and regulating the amount of time that the plant receives light.

Also, make sure you have the right distance to the wattage ratio.

Can the heat from grow lights cause plant death?

When your plant is being burnt by the grow light, the chances are there is too much heat emanating from the light. It could be that it is not enough distance from the plants.

Certain grow lights generate less heat than other lights, and they have a less chance of sunburning your plant.

Can LED Lights Sunburn Plants?

LED bulbs produce the least amount of heat, which makes them the best option for those concerned about burning their plants using grow lights.

However, even with less heat, you’ll be able to see burning LEDs when the lights aren’t in the right position.

Can Grow Lights Kill Plants?

This should not be alarming however, in the event that your plant is exposed to the light source, with no break, and at the proper spacing, it is a chance of dying.

The good thing is that it would take quite a long time , so you’d have to be away on vacation or perhaps not even aware of your plants in order for this to occur.

grow light over terrarium

Are Grow Lights Good for Indoor Plants?

Plants that aren’t getting enough sun when they are growing indoors could be greatly benefited by grow lights.

The lights basically bring the “sunlight” inside and aid the plants absorb all of the light to photosynthesise.

Grow light bulbs are great for indoor plants, and they will do more good than harm.

If you give the fiddle leafed fig a grow light like this will make this naughty plant very happy wherever in your house you put it.

What is the Difference Between a Plant Light and a Grow Light?

If you’re looking to purchase lighting for your plants, you’ll need to focus on grow lighting.

They are made to provide your plant the correct amount of heat and light and the right blue and red radiations. In essence the term “grow light” is an artificial light source for plants.

A standard light bulb – commonly used in homes isn’t the best choice for plants because they produce too much heat and do not produce the right light beams which plants require to grow.

How Long Should You Leave a Grow Light on Plants?

For plants that are outside the sun’s rays only reach them in the daylight hours, therefore it is logical that your grow lights must behave similarly.

Your plants need 8 to 10 hours of sunlight and after that they need to go through a period of darkness in order to rest. The same way that humans require.

If you keep the grow light on all day long all day long it is likely that you will end up losing the plant. It is recommended to put your grow lights on an alarm.

How Close Should LED Grow Lights be to Plants?

The ideal distance for growing light from the plants will be determined by the type of light that you’re using. Incandescent and fluorescent lights have to be farther away from the plants than LED grow lights .

This is due to the heat emitted by the various types of lighting.

Grow lights made of LED can be up to 6 inches away from your plants without scorching or burning them. This can provide the ideal amount of heat and light and will see your plants flourish.

Read moreabout: How close can grow lights be plants?

How Do You Know if Your Plant is Getting Too Much Light?

The majority of house plants are actually communicated If you are aware of what to look for. They can tell you that something is not right.

If you’re allowing the plants too much sunlight it’s possible to notice black or brown edges appearing on leaves. In more extreme instances the leaves could begin to fall off.

However in the event that there’s not enough sunlight reaching your plant, it will begin to notice yellow leaves or leaves may be falling over and wilting.

Using LED Grow Lights Safely to Grow Houseplants

So do you think LED grow lights are worth the investment? I’m sure so.

If you’re concerned that your plants aren’t getting enough direct or indirect light at home You may be looking to purchase one or two grow lights.

It’s always a good idea, and your plants will increase in size and become more lush with a good amount of sunlight.

I would simply recommend that you make sure you are aware of the fundamentals of grow lights and ensure that you have the right information to set your plants for success.

Don’t be afraid to play around with your plants. While you’re monitoring your plant’s growth, you can determine if they require any assistance or are getting injured by sunlight.



Went from a bad gardener to a half-decent one over 10+ years. Super happy to share my tips and tricks with you :)