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Choosing the Best Lights for Growing Microgreens



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Choosing the Best Lights for Growing Microgreens: A Comprehensive Guide

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In this article choosing the bests lights for growing microgreens, we will discuss all different types of lights.

Table of Contents

What Are Microgreens and Their Growing Requirements

Choosing the Best Lights for Growing Microgreens
Choosing the Best Lights for Growing Microgreens

Microgreens are a type of young vegetable greens that are harvested after the sprouting stage and before the leaves fully develop, making them a cross between sprouts and baby leaf vegetables. 

These greens are known for their intense aromatic flavor and concentrated nutrient content, which makes them a popular choice for culinary purposes and as a healthy addition to meals [2].

To start cultivating microgreens at home, you will need several tools and materials such as microgreen seeds, small cups or containers to soak the seeds in water, growth trays, a growing medium (such as peat and perlite mix), measuring cups/spoons to measure the right amount of seeds per tray, and a small colander [1]. 

It is important to keep in mind that microgreens require specific growing conditions. The ideal soil temperature for germinating microgreens is between 60 to 75°F, and air temperatures are between 60 and 70°F [3]. 

Microgreens are considered a low-light crop, meaning that they require a DLI (daily light integral) of below 20 mols/m2/day, which means they will grow under less than ideal conditions because they only need a short growing period. With the right growing conditions and proper care, microgreens can be a fun and rewarding addition to your home gardening projects.

Why Choosing the Best Lights for Growing Microgreens Is Crucial

Choosing the right lights is crucial for successful microgreens growth because it directly affects their photosynthesis and overall development. LED lights are a popular choice for microgreen growers because they offer the full spectrum of light, including blue light which is essential for increasing leaf thickness and chloroplast production [3]. 

The wattage, lumens, and spectrum of the light are the most important factors to consider when selecting lights for microgreens, as well as the coverage area and PAR levels depending on your setup [2]. In addition to providing the right spectrum of light, LED lights are also highly energy efficient, resulting in significant electricity savings over time [1].

While LED lights may be more expensive to purchase initially, their lower running costs make them a cost-effective choice for microgreen growers in the long run. 

By selecting the right lights for their growing environment, microgreen growers can ensure their plants receive the optimal amount and spectrum of light to promote healthy growth and development.

Different Types of Lights Available in The Market for Growing Microgreens

When it comes to growing microgreens, there are various types of lights available in the market that can be used to provide the necessary spectrum of light for optimal growth.

LED grow lights are a popular choice due to their efficiency and versatility. Some of the LED grow lights suitable for growing microgreens include MARS HYDRO – TS 1000W Led Grow Light, T5 Samsung Grow Light – Full Spectrum, and Elaine – 60W Indoor Grow Light [1]. 

Additionally, it is suggested to use more blue than red light when growing microgreens, as blue light is important for increased leaf thickness and density. LED lights are more commonly used than LED grow lights due to their higher blue light output [2]. 

On the other hand, fluorescent grow lights are also a viable option for microgreen growers. The AgroBrite Fluorescent Grow Light is a popular choice, as it provides a broad spectrum of light suitable for all stages of plant growth and is energy-efficient with little heat production [3]. Ultimately, the choice of lighting depends on personal preferences and growing conditions.

Factors to Consider when Choosing Lights for Microgreens

Best Lights for Growing Microgreens
Best Lights for Growing Microgreens

When choosing lights for growing microgreens, there are several important factors to consider. The first factor is the spectrum of light. According to [1], it’s important to choose lights that offer the full spectrum to best meet the needs of microgreens. LED lights are a popular choice because they are extremely energy efficient and can help you save on electricity costs. 

Additionally, the wattage and lumens of the light are important factors to consider. As noted by [2], these specs can affect the coverage area and PAR levels of the light, which can impact the growth of your microgreens. Other important factors include the coverage area of the light and your specific setup.

 Ultimately, choosing the right lights for your microgreens will require some trial and error, as recommendations are constantly evolving, as mentioned by [3].

The Importance of Wattage, Lumens, and Spectrum in Choosing the Right Lights for Microgreens

When it comes to choosing the right lights for growing microgreens, wattage, lumens, and spectrum are all important factors to consider. Wattage measures the amount of energy a light uses, while lumens measure a light bulb’s brightness. 

LED bulbs have a higher lumens-to-watt ratio, which means they produce more visible light for the same amount of watts compared to traditional tungsten bulbs. This makes them more energy-efficient and cost-effective for microgreens. 

However, it’s also essential to consider the light spectrum, which affects plant growth and development. Blue light promotes vegetative growth, while red light promotes flowering and fruiting. 

A balanced spectrum of both is necessary for optimal microgreens growth. Overall, when selecting lights for microgreens, it’s important to consider both the wattage and lumens of the bulbs, as well as the light spectrum they emit.

How Coverage Area and Par Levels Can Also Be Important Factors Depending on The Setup

  • When managing inventory, the PAR (Periodic Automatic Replenishment) level system can be an effective strategy to improve inventory management. The system involves setting a minimum and maximum level for each item in inventory, with the minimum level indicating when stock needs to be replenished. To calculate PAR inventory levels, businesses can use a formula that takes into account inventory usage trends, safety stock, and the frequency of product delivery.
  • PAR levels are also important when it comes to assessing the setup of a coral tank or comparing light fixtures. When adding new coral to a tank, it is crucial to replicate the same PAR levels that the corals were accustomed to in their original tank. This helps ensure the health and growth of the new coral. Additionally, PAR levels can be used to compare different light fixtures with one another, as higher PAR levels can lead to better plant growth and yield.
  • In terms of coverage area and PAR levels, both can be important factors depending on the setup. The coverage area refers to the total area that is being illuminated, while PAR (Photosynthetically Active Radiation) levels measure the amount of light that is available for photosynthesis in that area.
  • For example, a larger coverage area may require higher PAR levels to ensure that all plants receive adequate light for photosynthesis. Therefore, understanding the relationship between coverage area and PAR levels can help optimize plant growth and overall setup.

The Advantages and Disadvantages of Different Types of Lights Such as Led, Fluorescent, Incandescent, and Metal Vapor Lights

  • When it comes to comparing different types of lights, LED lights are generally considered to be the most energy-efficient and versatile option. They are easy to dim and have a long lifespan of around 25,000 hours, which is significantly longer than CFL bulbs’ lifespan of around 8,000 hours [[1]]. Additionally, LED holiday lights are safer and more durable than incandescent lights because they generate less heat and are made with epoxy lenses instead of glass [[3]]. However, it’s worth noting that LED lights require LED dimmer switches as traditional incandescent dimmers are not compatible [[2]].
  • On the other hand, CFL bulbs are more energy-efficient than incandescent bulbs but less efficient than LEDs. They also require more energy and consequently cost more than LEDs [[1]]. Incandescent lights are the least efficient option, consuming more energy and having a shorter lifespan than CFL or LED lights. Lastly, metal vapor lights have a high energy output and are used mainly for industrial or outdoor lighting, but they are not as energy-efficient as LED lights and require more maintenance [[2]].
  • Overall, while each type of light has its advantages and disadvantages, LED lights are generally considered to be the most efficient and durable option, making them an excellent choice for both residential and commercial lighting applications.

Recommended Lights for Microgreens

When it comes to growing microgreens, the right lighting is crucial for optimal growth and yield. After conducting some research, we have found that LED growth lights are the preferred option for microgreen growers. 

MARS HYDRO TS 1000 LED Grow Light 

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Dimming Daisy Chain Full Spectrum Reflector Sunlike Growing Lamps 3x3ft Coverage Grow Lights for Hydroponic Indoor Plants Greenhouse Veg Flower


Plant Grow Light CXhome T5 Samsung

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Full Spectrum 3500K 6500K&Red LED 4 Strips with Auto Cycle Timer 3/6/12Hours Dual Channel 4 Brightness Level Growing Lamp for Indoor Plants Seeding to Harvest

  • Samsung + Full Spectrum + Red
  • 3H/6H/12H Auto Timing
  • 4 Brightness Levels & Dual-Channel
  • Can be installed anywhere

Some specific types of LED grow lights that are suitable for growing microgreens include MARS HYDRO – TS 1000W Led Grow Light, and T5 Samsung Grow Light – Full Spectrum,ir?t=joannejens0d9 20&language=en CA&l=li3&o=15&a=B086R14MFW [1]. Elaine – 60W Indoor Grow Light, and Smart Garden Hydroponics Growing System with Bamboo Frame [1].

It is also important to note that microgreens require a minimum of 20 watts per light and ideally lumens that fall in the daylight spectrum of 4600K-6500K [2]. While fluorescent lights were once commonly used, LED lights are now the preferred option due to their energy efficiency and effectiveness. However, some growers still prefer fluorescent lights and argue that they provide better results, although they do have some drawbacks [3]].

The Recommended Wattage and Number of Lights for Different Setups, Such as A 10/20 Tray on A Rack

  • When it comes to growing microgreens using a 10/20 tray on a rack, the recommended wattage and number of lights will depend on several factors, including the type of light being used and the intensity required for optimal growth. According to one source, LED grows lights are a popular choice for growing microgreens, and specific types of LED grow lights that are suitable for growing microgreens include MARS HYDRO – TS 1000W Led Grow Light, T5 Samsung Grow Light – Full Spectrum, Elaine – 60W Indoor Grow Light, and Smart Garden Hydroponics Growing System with Bamboo Frame. However, the wattage and number of lights required will depend on the area being covered and the intensity required for optimal growth [1].
  • In terms of determining the appropriate wattage and lumens required for other lighting setups, different guidelines apply. For example, small pedestrian pathways typically use bollard fixtures or overhead fixtures that are between 15 and 25 watts or 1400 and 2600 lumens and are installed low. Higher lighting requirements of highways and parking lots start around 25 watts / 2600 lumens and go up to 70 watts / 6500 lumens [2].
  • In general, for minimum lighting, you will need 30 watts of lighting per sq. ft., which means that for a 50 sq. ft. room, the total wattage of lighting required will be 1,500 watts. However, if you want optimal lighting, then you will need 50 watts per sq. ft. of lighting [3]. It is important to note that these guidelines are general and may need to be adjusted based on the specific lighting needs of the plant being grown.

Compare and recommend the best lights for different budgets and preferences

When it comes to selecting lights, the choice of light bulbs and lighting fixtures is key to achieving the desired ambiance and energy efficiency. Kensun HID Replacement Bulbs are highly recommended for those looking to upgrade their headlights for better visibility on the road.

Meanwhile, for those looking for energy-efficient bulbs, Philips LED Frosted Soft White Light and SYLVANIA LED A19 Light Bulbs are the best options, according to Bob Vila [[3]]. The Philips LED Frosted Soft White Light is cost-effective, while the SYLVANIA LED A19 Light Bulbs offer long-lasting performance.

 For those seeking smart lighting solutions, LUMIMAN Smart Light Bulbs come highly recommended, offering color-changing capabilities through Wi-Fi, and working with Amazon Alexa and Google Assistant [[3]]. Lastly, for those looking for a smart light strip, Lifx Z Multicolor Light Strip is a perfect choice, offering compatibility with Apple HomeKit, Alexa, Google Assistant, Cortana, and IFTTT, as well as customization with 16 million colors [[1]].

Real-World Examples of Successful Microgreens Growth Using Different Types of Lights

  • After conducting a search, we found several resources that provide information on growing microgreens with different types of lights, including LED grow lights. [1][2]
  • While we could not find specific real-world examples, the resources suggest that LED grow lights, such as the MARS HYDRO – TS 1000W Led Grow Light, T5 Samsung Grow Light, and Elaine – 60W Indoor Grow Light, are suitable for growing microgreens. These LED grow lights are full spectrum, which means they provide the necessary light spectrum for plants to grow and thrive. The resources also recommend using 10 to 15 grams of seed per standard 12-inch x 20 inches 10-row seeding tray for microgreens and determining the amount of seed by volume using measuring cups or spoons [1].
  • In addition to LED grow lights, successful microgreens growth requires proper tools and materials, including microgreens seeds, small cups or containers to soak the seeds in water, growth trays, a growing medium (such as a peat and perlite mix), measuring cups/spoons, and a small colander [3].

Tips for Using Lights for Microgreens

Microgreens require appropriate lighting to ensure healthy and robust growth. Here are some tips for using lights for microgreens, based on the provided web search results:

  1. Use full-spectrum lights: The best color light for growing microgreens is full-spectrum light, which mimics natural outdoor sunlight and contains all colors of the light spectrum [1]. Full-spectrum lights provide the necessary light for all stages of growth, ensuring the proper development of microgreens.
  2. Ensure sufficient wattage: Microgreens need a minimum of 20 watts per light, although they don’t require as much light as other plants since they grow in short cycles of less than 20 days [2]. Choose lights that are flexible and can be used for microgreens or other plants you want to grow.
  3. Consider fluorescent grow lights: Fluorescent grow lights are an excellent option for growing microgreens as they provide a broad spectrum of light and are energy-efficient. The AgroBrite fluorescent growth light is a recommended choice for microgreens, as it produces very little heat and is suitable for all stages of plant growth [3].

By following these tips, you can ensure that your microgreens receive the right amount and type of light for healthy and vigorous growth.

What Is the Importance of Light Placement and Distance from The Plants for Optimal Growth?

  • Proper lighting is a critical factor in the growth and development of indoor plants [1]. When it comes to artificial lighting, the placement and distance of the light source are essential for delivering the appropriate amount and quality of light to the plants. The distance between the plants and the light source will depend on the type of light and the plant species being grown [2].
  • If the light source is too close to the plant, it can cause heat stress, leaf burn, and other damage. On the other hand, if the light source is too far away from the plant, it may not receive enough light, leading to stunted growth or even death of the plant. Therefore, it is essential to find the optimal distance for the light source to achieve maximum growth and yield.
  • The spectrum of light is another crucial factor to consider when growing plants indoors. Sunlight provides a full spectrum of light that is essential for photosynthesis. If artificial lighting is needed to supplement natural light, the spectrum of light the lamp produces is important. Red, far-red, and blue wavelengths are most important for plant development [3]. Red light promotes flowering and fruiting, while blue light encourages vegetative growth. Far-red light is essential for the germination of seeds and the development of seedlings.
  • In conclusion, the placement and distance of the light source from the plant, as well as the spectrum of light, are crucial factors that should be considered to achieve optimal growth and yield when growing plants indoors.

Tips for Monitoring and Adjusting Light Intensity and Duration for Different Growth Stages

Proper monitoring and adjustment of light intensity and duration are crucial for optimal plant growth. Here are some tips based on the provided web search results:

  • Light intensity is measured in footcandles (FC) for natural light [1]. For indoor lighting, it is recommended to provide a minimum of 20 watts per square foot of growing space for most plants, including microgreens [2]. However, different plants have different light requirements, so it’s important to research and adjust the intensity accordingly.
  • Light quality is also important for plant growth. Red and blue light are the most important colors for photosynthesis and flowering [2]. A mix of 90% red light and 10% blue light is recommended for most plant growth [2].
  • Light duration refers to the amount of time the plants are exposed to light. The duration of light exposure depends on the plant species and the growth stage. Generally, seedlings require 12 to 16 hours of light per day, while mature plants require 8 to 12 hours per day [1]. For microgreens, which have short growth cycles of less than 20 days, supplemental light for 12 to 16 hours per day is recommended [2].
  • To monitor light intensity, use a light meter to measure the footcandles or use a smartphone app that measures light intensity [1]. Adjust the light intensity by adjusting the distance between the plants and the light source. Generally, the light source should be positioned 6 to 12 inches above the plants [2].
  • To monitor light duration, use a timer to ensure consistent light exposure. Adjust the duration based on the plant species and growth stage [1]


Choosing the right lights is crucial for successful microgreens growth for several reasons. First, microgreens require specific wavelengths of light to promote healthy growth and development. Using the wrong type of light can lead to stunted growth or other problems. 

Second, microgreens need a certain amount of light intensity to thrive, and inadequate lighting can result in weak, spindly plants that are more susceptible to disease and pests. 

Third, using the right lights can help ensure that microgreens have the proper color and texture, which is important for both culinary and aesthetic reasons. Finally, using energy-efficient lighting can help reduce operating costs and make microgreens cultivation more sustainable. 

Overall, selecting the appropriate lighting is a key factor in successfully growing high-quality, nutritious microgreens.

Final Recommendation for The Best Lights for Microgreens Based on The Factors Discussed

  • Based on the factors discussed, the best lights for microgreens would be LED grow lights. LED lights can provide the specific wavelengths of light that microgreens need for optimal growth, and they can be adjusted to provide the correct light intensity. 
  • They also have a long lifespan, are energy-efficient, and generate less heat compared to other types of lights, which can help reduce the risk of heat damage to the plants.
  •  Additionally, LED lights can be tailored to provide the right color spectrum for specific types of microgreens, enhancing their visual appeal. Overall, LED growth lights are a reliable and effective choice for growing microgreens at home or on a larger scale.


Q: Are LED lights good for microgreens?

A: Yes, LED lights are great for growing microgreens as they provide full-spectrum light that is necessary for their growth, and are energy-efficient and long-lasting.

Q: Can any LED light be used as a grow light?

A: No, not all LED lights are suitable for growing plants as they may not emit the right spectrum of light needed for plant growth. It’s essential to choose LED to-grow lights specifically designed for indoor plant cultivation.

Q: What lumens are best for microgreens?

A: Lumens are not an accurate measurement for plant growth as they are based on human perception of light. Instead, microgreens need a specific spectrum of light, including blue and red light, for optimal growth.

Q: How many watts are needed to grow microgreens?

A: The wattage needed to grow microgreens depends on the size of the growing area and the intensity of light required. Generally, a minimum of 25 watts per square foot is recommended for growing microgreens.

Q: How far should a microgreen grow light be?

A: The distance between the grow light and the microgreens depend on the wattage and intensity of the light. As a general rule, the light should be placed 4-6 inches away from the plants to prevent burning and promote healthy growth.

Q: Can microgreens get too much light?

A: Yes, microgreens can get too much light if they are exposed to intense light for prolonged periods. This can lead to scorching, bleaching, and stunted growth. It’s essential to monitor the light levels and adjust the distance and intensity of the grow light accordingly.

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About Joanne Jensen


Joanne Bettina Jensen

Joanne Jensen is a renowned gardener with over 45 years of experience in gardening. Her passion for gardening began when she was a child, assisting her Mom and Nana in tending to their backyard garden’s in England.

Now it has evolved into an amazing blog Since then, she has developed a deep appreciation for plants and has devoted her life to learning more about them. To read more go to her about page

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