Growing chilli plants with LED grow lights

chilli plant with fruits

Are you interested in optimising the growth of your chilli plants? With LED grow lights, you can create the perfect conditions for your plants, no matter the season. This guide introduces you to how you can effectively use LED lights to promote healthy growth and higher yields in your chilli plants.

With LED grow lights, you have the opportunity to grow chili plants all year round - Med LED grow light If you create the right conditions, regardless of the Danish weather, you don't have to settle for fresh home-grown chilli in the warmer months.

Growing chilli at home in the garden, greenhouse or indoors is easy, quick and fun from chili seeds. Growing chilli plants with the help of LED grow lights are even easier, even faster and even more fun. 
Before you start you should find some good quality seeds, or you can find your favorite chilli and harvest a few seeds from it yourself. 

See our selection of chilli seeds (and other plants) 

Although this guide is primarily about growing chilli plants, most of these tips and rules also apply if you prefer to grow peppers or other chilli-related plants instead of chillies. 

If you are more interested in the idea of growing tomatoes than chillies, you can read more about it here

  • Habanero Red chilli seeds.
  • Habanero Yellow chilli seeds - Hot chilli.Habanero Yellow chilli seeds - Hot chilli.
  • Habanero Chili Mix
  • Chili "De Cayenne".

Where can I grow chili plants?

Chili plants can be grown anywhere as long as they get the right amount of sun or grow lights, nutrition and heat. The most popular places to grow chilli plants are either on the balcony or in a greenhouse.
LED plant lights have made it possible to grow your plants in the basement or garage where no light would otherwise penetrate.

Chili plants need light and heat to form photosynthesis and thus grow large.

Chili growing has become a popular hobby that is usually only reserved for the spring and summer months, but with LED grow light you can grow your chilli plants anytime, anywhere - even the darkest basement can become a perfect place to grow chilli plants - the possibilities are endless.

You can read about the history of chili and the many varieties of chili here.

Get started with growing chillies

To get off to a good start when growing chilli plants, the plant needs good conditions from the start. This includes temperature, humidity and light levels.
Temperatures between 15 and 24 degrees are typically what is considered to be the optimal temperature. For chilli hobbyists.

We recommend that you start by sprout your seeds under a good grow light lamp, that way you ensure good healthy plants, on this page you will find everything from germination trays to grow light. However, it is important to underline that you do not need to illuminate the seeds with grow lights until you see the first green sprout sticking its "head" out of the ground.

Once the plant is off to a good start, you need to decide where you want it to grow and hopefully produce a lot of fruit.
Either under LED grow lights, allowing it to be placed anywhere from the darkest basement to the brightest living room.

If you don't have LED grow lights, we recommend placing it in a greenhouse once it has reached a certain size.

However, if you wish, your chilli plant can also thrive outdoors, but only when the soil temperature is above 16-18° and your plant has had a good start to the season.

A greenhouse is more optimal as the chilli plant has high demands on temperature and humidity 

It's a good idea to keep your chilli plant in a large pot. You can easily move it from greenhouse to outdoors and back to the greenhouse again as the temperatures drop and the autumn months creep closer.When growing chilli plants outdoors, it's important to keep an eye on the weather forecast. 

With the right grow light in the greenhouse, you can significantly extend the season.

You can read more about grow lights for greenhouses here

It is important to be aware that chilli plants are sensitive to sudden changes in temperature and weather conditions and therefore require an adjustment period if they are to be moved from a windowsill to a greenhouse, for example. 

chili plant with fruits growing chili plants

LED grow light for chili

Growing chilli plants is fun and can yield a lot of delicious chillies and with LED grow lights, you now have the opportunity to grow chilli plants in all the monthsThis also applies to the winter months.

At plant lights, we specialize in creating high-quality LED lighting that can be used for many different plant growth purposes, including growing chili plants with LED grow lights.

Plant lights produce, among other things grow lights for the cultivation of chili plants, which ensures ideal growing conditions for your plants, so that you can get the best possible yield.  

The main advantage of using LED grow lights is that you no longer have to worry about only being able to place your chilli plants in sunny areas.

Grow light for chilli plants

LED grow lights allow you to grow your plants all year round, but there are several different artificial light sources, so why choose LED?

LED grow lights protect your plants as they produce less heat than sodium lamps and halogen bulbs, among others. Although we have repeatedly pointed out that heat is important for chilli plants, the amount of heat that comes out of a traditional bulb is very harmful to the plant, especially when they are so close to each other. On top of that, LED grow lights don't use a lot of power, so your electricity bill won't hurt your wallet. 

With LED grow lights, your plants can achieve the most optimal growth without getting burnt leaves. This way, your plants will grow healthily and efficiently!
Growing chilli plants is not as challenging as you might think!


  • SunLight Quantum board - LED grow light 100Watt dimmerSunLight Quantum board - LED grow light 100Watt dimmer
  • Grow light LED round pendant full-spectrum white lightGrow light LED round pendant full-spectrum white light
  • Grow light LED pendant 60° full spectrum white light SL250WGrow light LED pendant 60° full spectrum white light SL250W

How much light should my chilies have?

It is our recommendation that if you want to grow these plants indoors with artificial light, they should not be placed in a window as the sunlight will dry them out too quickly.
Furthermore, if a bright and good light is chosen, the extra light from the sun will not be necessary.
With chilli plants, you should always choose full-spectrum light, as it favours both the plant's growth andg flower arrangement. If a blue or pink light is chosen, the yield at harvest will be significantly lower.

  • Recommended brightness: min. 350 up to 600 μmol/s*m²
  • Max hours of light per day: 18 hours
  • Recommended DLI is: 30-40
  • Recommended lamp for growing plants: QB 100W (40-60 cm height)

LED grow lights are ideal for growing chilli plants as LED grow lights provide exactly the amount and type of light your plants need. There are many other alternatives that provide broad-spectrum light, many of which are unnecessary for plant growth. As a result, they produce a large amount of energy that doesn't benefit your electricity bill or your plants.

Financial benefits - With LED grow lights, you can save up to 90% on power consumption compared to other alternatives such as fluorescent tubes and incandescent/halogen bulbs. LED grow lights have a significantly longer lifespan than incandescent and fluorescent bulbs.

The long lifespan is one of the benefits that make it more worthwhile to purchase LED grow lights over other alternatives such as fluorescent, halogen and sodium lamps, etc. Many of these alternatives are available cheaper, but the cost of the energy consumption of these lamps quickly exceeds the purchase price of an LED grow light, the cheap plant lights, as they have very high waste and heat emission.

This is especially expensive when electricity prices are as high as they are nowadays. LED grow lights therefore ensure that your chilli plant has the most ideal living conditions, but also ensure that you don't have to suffer a financial loss on products that have a short lifespan and high power consumption.

Is it now time to grow chili plants?

Read more here to get an insight How much light do your plants need.

FAQ - Frequently Asked Questions

Chilli plants require a lot of light to thrive, ideally between 14-16 hours of light per day. The use of LED grow lights can help fulfil these needs, especially during the winter months or in areas with limited natural sunlight.

The best grow light depends on your specific growing needs, but LED grow lights are often favoured for their energy efficiency, longevity, and ability to deliver a broad spectrum of light necessary for plant growth and flowering.

To care for a chilli plant, make sure to give it plenty of light (14-16 hours a day with grow lights if needed), water it regularly but allow the soil to dry out between waterings, and apply a well-balanced nutrient mix every two to four weeks to support growth and fruit development.

To use grow lights effectively, place them about 20-40 cm above your plants to ensure even light distribution and set them to shine for 14-16 hours a day to mimic natural sunlight. Adjust the height as your plants grow to avoid heat damage and optimise light absorption.

Chilli plant