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5 Best Grow Light for Tomatoes

by Idris Ya'u
This article was fact checked.
Helpful: 100%

Growing tomatoes indoors can be challenging without proper lighting. To achieve optimal growth and harvest, investing in the right grow lights is essential.

In this guide, I will review the five best grow lights for tomatoes available on Amazon, providing you with detailed product descriptions, pros, and cons to help you make an informed choice.

1# Relassy LED Grow Light for Indoor Plants

5 Best Grow Light for Tomatoes5 Best Grow Light for Tomatoes

The Relassy LED Grow Light is designed to simulate natural sunlight, providing your tomato plants with the full spectrum of light they need for healthy growth.

It comes with a flexible gooseneck design, making it easy to adjust the light angle. This 150W grow light covers a 2×2-foot area, making it suitable for smaller indoor gardens.


  1. Full spectrum light for optimal plant growth.
  2. Energy-efficient and long-lasting.
  3. Adjustable gooseneck design for flexibility.
  4. Suitable for various indoor plants, including tomatoes.


  1. Not suitable for larger grow spaces.
  2. Some users may find the fan slightly noisy.

2# KingLED Newest 1000w LED Grow Lights

5 Best Grow Light for Tomatoes5 Best Grow Light for Tomatoes

The KingLED Newest 1000w LED Grow Lights provide high-intensity lighting for larger indoor gardens. With a power consumption of only 185W, they are energy-efficient. These lights offer a full spectrum of light, including UV and IR, promoting photosynthesis and overall plant health.


  1. Suitable for larger grow spaces.
  2. Energy-efficient.
  3. Full spectrum light for all growth stages.
  4. Efficient heat dissipation.


  1. Higher initial cost.
  2. May require additional cooling in small spaces.

3# Venoya 75W LED Grow Light for Indoor Plants

5 Best Grow Light for Tomatoes5 Best Grow Light for Tomatoes

The Venoya 75W LED Grow Light is a compact and cost-effective option for small indoor gardens. It provides a balanced spectrum of light, suitable for all growth stages of tomato plants. The light is easy to install and comes with a built-in timer.


  1. Affordable and energy-efficient.
  2. Balanced spectrum for healthy growth.
  3. Built-in timer for convenience.
  4. Suitable for small spaces.


  1. Limited coverage area.
  2. Not ideal for large or multiple plants.

4# Spider Farmer SF-2000 LED Grow Light:

5 Best Grow Light for Tomatoes5 Best Grow Light for Tomatoes

The Spider Farmer SF-2000 LED Grow Light is a high-performance grow light designed for professional growers. It features a full spectrum of light with high PAR (Photosynthetically Active Radiation) values, ensuring robust tomato plant growth. This light covers a 3×4-foot area.


  1. High PAR values for optimal growth.
  2. Suitable for larger grow spaces.
  3. Dimmable for different growth stages.
  4. Effective heat dissipation.


  1. Higher initial cost.
  2. Requires hanging or mounting.

5# Mars Hydro TS 1000W LED Grow Light

5 Best Grow Light for Tomatoes5 Best Grow Light for Tomatoes

The Mars Hydro TS 1000W LED Grow Light is a versatile and efficient choice for indoor tomato cultivation. It provides a full spectrum of light, including UV and IR, to support all growth stages. This light is suitable for both beginners and experienced growers.


  1. Full spectrum light with UV and IR.
  2. Energy-efficient.
  3. Daisy-chainable for easy setup.
  4. Silent operation.


  1. May require additional hanging hardware.
  2. Not ideal for very large grow spaces.

Buying Guide for Indoor Tomato Grow Lights

Indoor tomato gardening can be a rewarding hobby or a practical solution for year-round fresh tomatoes. However, to ensure your tomato plants thrive indoors, you’ll need the right grow lights. Here’s a comprehensive buying guide to help you choose the best grow lights for your indoor tomato garden:

Light Spectrum:

Full Spectrum: Look for grow lights that provide a full spectrum of light, including blue, red, and even ultraviolet (UV) and infrared (IR) light. Tomatoes require a broad spectrum for all growth stages, from seedlings to flowering and fruiting.

Light Intensity (PAR):

PAR Values: Photosynthetically Active Radiation (PAR) values indicate the intensity of light that plants can use for photosynthesis. Higher PAR values are better for plant growth, so choose lights with a PAR value suitable for the size of your grow space.

Coverage Area:

Consider the size of your indoor garden and choose grow lights that can cover the entire area effectively. Smaller spaces may require less powerful lights, while larger gardens will need more coverage.

Wattage and Efficiency:

Opt for energy-efficient grow lights to save on electricity costs. LED grow lights are known for their efficiency. Check the wattage and lumens output to gauge efficiency.

Adjustable Light Output:

Some grow lights come with adjustable brightness levels or dimming options. This feature allows you to customize the light intensity according to your plants’ growth stage, saving energy and optimizing growth.

Cooling Mechanism:

Lights can generate heat, which may be detrimental to your tomato plants. Look for grow lights with efficient cooling systems, such as fans or heat sinks, to maintain an optimal temperature.

Durability and Lifespan:

Invest in grow lights with a long lifespan to reduce replacement costs. LED lights tend to last longer than other types of grow lights.

Mounting and Installation:

Consider how the grow lights are designed to be installed. Some lights come with hanging kits, while others are meant to be mounted. Ensure that the installation method aligns with your indoor gardening setup.


If you plan to expand your indoor garden, look for lights that support daisy-chaining. This feature allows you to connect multiple lights together with a single power source, simplifying the setup.

Price and Budget:

Set a budget for your grow lights, but also consider the long-term benefits and energy savings. Sometimes, it’s worth investing a bit more in high-quality lights that deliver better results.

Reviews and Recommendations:

Read customer reviews and seek recommendations from experienced indoor gardeners. They can provide valuable insights into the performance and reliability of specific grow lights.

Brand Reputation:

Stick to well-known and reputable brands when purchasing grow lights. These brands often provide better customer support and warranty options.

Warranty and Support:

Check the warranty offered by the manufacturer. A good warranty ensures you’re covered in case of any defects or issues with your grow lights.

Energy Efficiency:

Evaluate the energy efficiency of the grow lights by checking their PPFD (Photosynthetic Photon Flux Density) and Efficacy ratings. Higher values indicate better energy efficiency.

Remember that the best grow lights for indoor tomato gardening will depend on your specific needs, space, and budget.

Take the time to research and compare different options to find the perfect lighting solution for your tomatoes, and always follow the manufacturer’s recommendations for optimal tomato growth.


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FAQs: Can you grow tomatoes with regular LED lights?

Yes, you can grow tomatoes with regular LED lights, but it’s essential to use the right type of LED lights. Regular household LED lights, like those used for general illumination, may not provide the necessary spectrum of light for optimal tomato growth.

However, full-spectrum LED grow lights specifically designed for plant cultivation are suitable for growing tomatoes indoors.

These lights mimic the spectrum of natural sunlight and provide the light intensity and spectrum that tomato plants need.

Do tomatoes need UV light to grow?

Tomatoes do benefit from some exposure to ultraviolet (UV) light, but it’s not an absolute requirement for their growth. UV light can stimulate the production of certain compounds in tomatoes, such as flavonoids and antioxidants, which can enhance flavor and nutritional content.

However, many standard LED grow lights for indoor gardening already include some UV light in their spectrum.

In most cases, providing a full spectrum LED grow light designed for plants will meet the UV light needs of your tomato plants.

How many watts of light does a tomato plant need?

The wattage of light needed for tomato plants can vary depending on the growth stage and the size of your tomato garden. However, as a general guideline:

Seedlings and young plants may require around 20-40 watts of light per square foot. Mature tomato plants in the flowering and fruiting stage may need 50-70 watts of light per square foot.

Keep in mind that these are approximate values, and it’s essential to consider other factors like the light spectrum, light intensity (PAR values), and the specific needs of your tomato variety.

Using a full-spectrum LED grow light designed for indoor plant growth will help ensure your tomato plants receive the right amount and quality of light throughout their growth cycle.


Selecting the best grow light for your tomato plants depends on your specific needs, budget, and available space.

For small spaces, the Venoya 75W LED Grow Light is a cost-effective choice. In larger areas, the KingLED Newest 1000w or Spider Farmer SF-2000 offer excellent performance.

The Relassy LED and Mars Hydro TS 1000W are versatile options suitable for various indoor gardening setups. Consider your requirements and budget to make the best choice for your indoor tomato garden.

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