Why Use a Grow Light?

Lily Zhang
3 min readApr 7, 2022

There’s multiple reasons why your indoor plants could benefit from a grow light. Here’s a few of the common ones you may or may not have thought about…

House doesn’t have enough light:

Maybe your indoor plants aren’t growing? This could be the result of a lack of sunlight. While our homes may appear bright to our human eyes, there can still be a lack of light that a plant needs to be healthy! Generally all indoor plants should be placed within a couple of feet of a window to get the required light. If this isn’t possible, or if you’ve got your plants located elsewhere at home, they may benefit from an extra light source. Keep in mind that plants naturally live outdoors in high light levels, so we need to mimic their natural environment as much as possible to keep them healthy indoors.

Lack of light in Winter:

During winter, sunlight levels decrease for a few reasons. There’s the decreased hours of light in the day; less direct sun because of the angle of the earth; and less sun due to weather. Indoor plants may benefit from a boost in light over the winter months to help them get through the darker seasons. Grow lights can help keep your plants healthier if they struggle over winter. They may even help them to grow in the cooler seasons when they’d normally be dormant.

Tropical houseplants such as fiddle leaf figs, ficus varieties, prayer plants etc can especially benefit from the extra light provided by grow lights as these plants are naturally used to large amounts of light.

Your plants just aren’t growing:

If your indoor plants appear healthy but just don’t seem to be putting out any new growth, a lack of light may be the issue. Without enough energy from the sun, plants may not be able to sprout new growth, but still appearing healthy. Supplementing a grow light can help give indoor plants an energy boost. For some other reasons your indoor plant might not be growing, see this post.

New growth:

Grow lights are commonly used to grow seedlings or indoor herbs, and even fussy plants such as orchids. This way the light can be controlled and moderated. Herbs and fruits that normally have to be planted at a certain time of year can be grown anytime when using a grow light properly.

Others

Halogen lights still can give a full spectrum of light, but both halogen and incandescents give off a lot of heat. This can be a danger to burning your plants. LED lights give off almost no heat, making them a safer option.

To be effective, grow lights need to be on for 10–16 hours in the day, making LEDs a whole lot more efficient and energy saving than any other choice.

Fluorescent lights have a better energy consumption and less heat output when compared to halogens and incandescents. However they still don’t compare to the efficiency, low heat, lifespan and technology of LED grow lights.

Using the latest technology, LEDs can combine different wavelengths of the light spectrum to maximise particular growth in plants. That might be specifically for photosynthesis, growing seedlings or fruiting and flowering.

We are a Grow Light supplier. Please feel free to contact us if you need them!

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Lily Zhang
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Led Grow Lights Manufacturer, Shenzhen Wonderful Electronic Co., Ltd.