• Home
  • /
  • Blog
  • /
  • What Lights are Best for Growing Cannabis?

What Lights are Best for Growing Cannabis?


May 17, 2024

LED grow lights are the best option for most cannabis growers. They are energy-efficient, long-lasting, and produce very little heat. TUBU Samsung Quantum Board Grow Light can also be tailored to provide the specific spectrum of light that is optimal for different stages of cannabis growth.The best lights for growing cannabis are Light Emitting Diode (LED) lights. Here's a breakdown of the different types of grow lights and why LEDs are generally considered the best.

Compact Fluorescent Lamps (CFLs)

These are a good option for beginners or small grow spaces. Cannabis grow lights for beginners are relatively inexpensive and produce less heat than other options. However, they are not as powerful as other lights and may not be suitable for the flowering stage of growth.

High-Intensity Discharge (HID) lights

These are the traditional type of grow light and include Metal Halide (MH) and High-Pressure Sodium (HPS) lights. They are very powerful and can produce large yields. However, they are also very expensive, generate a lot of heat, and require ballast to operate.

LED Grow Lights

LEDs are the most popular type of grow light for cannabis. Cannabis grow lights are energy-efficient, long-lasting, and produce very little heat. LEDs can also be tailored to provide the specific spectrum of light that is optimal for different stages of cannabis growth.

Commercial Cannabis Grow Lights Common Spectrum

Cannabis requires different wavelengths of light to grow. Seedlings need more blue light, while flowering requires more red light.LED grow lights can be customized to provide a specific spectrum for the different stages of cannabis growth. When choosing commercial cannabis grow lights, be sure to consider your growing needs and select a product that offers the right spectrum.

Seedling stage: Blue: Red = 2:1

Growing stage: Blue: Red = 1:1

Flowering: Blue: Red = 1:2

What is the Light Intensity Needed for Cannabis Lights Grow Room

The light intensity of a cannabis grow light is the amount of light emitted by the light. Cannabis needs plenty of light to thrive. Generally, you need 30-50 watts of LED to grow light power per square foot.

Recommendations for marijuana grow light intensity

Seedling stage: 100-200 micromoles per second (µmol/s) per square foot

Growing phase: 200-400 µmol/s per square foot

Flowering: 400-600 µmol/s per square foot.

Please note that these are general recommendations only. cannabis lights grow room actual light intensity needs may vary depending on the strain of marijuana, stage of growth, and other factors.

What is the Light Efficiency of Best Commercial LED Grow Lights

The light efficiency of commercial LED grow lights is the efficiency with which the lights convert electrical energy into light energy. Light efficiency is measured in lumens per watt (lm/W). Generally, the light effect of best commercial LED grow lights is higher than 100 lm/W. Light effect is an important indicator of the efficiency of LED grow lights. The higher the light effect, the more efficient the light is at converting electrical energy into light energy, and the more energy efficient it is. For commercial growers, choosing high light efficiency LED grow lights can help them save money on their electricity bills.

Cannabis grow

TUBU Wholesale Commercial Grow Lights

When choosing LED grow lights Wholesale commercial grow lights be sure to consider light efficiency and other factors such as spectrum, light intensity and coverage area. Choosing the product that best suits your needs can help you achieve optimal growing results.

Samsung Quantum Board Grow Light

Samsung quantum board grow light, light your way to a bountiful harvest! Samsung quantum board grows light, with its cutting-edge quantum board technology, bringing you unparalleled photosynthetic efficiency and even light distribution. Say goodbye to the limitations of traditional grow lights, Samsung quantum board grow light will open up a whole new growing experience for you!

With a PPE of up to 2.6umol/J, 120W quantum board grow light PPF output of 312umol/J, and 240W quantum board grow light PPF output of 624umol/J, it provides you with powerful light to help your plants thrive.

120W Samsung Quantum Board Grow Light

120W Quantum Board Grow Light

120W Quantum Board Grow Light

120W Quantum Board Grow Light

240W Samsung Quantum Board Grow Light

240W Quantum Board Grow Light

120W Quantum Board Grow Light

240W Quantum Board Grow Light

With up to 95% light efficiency utilization, you can convert every watt of energy into effective plant growth energy, energy saving and environmental protection.

Lightmyleaf brand, offers a three-year warranty for your peace of mind. Strict quality control ensures that every light meets the highest standards. Quantum boards grow light, your best choice! Immediatelywholesale samsung quantum board grow light, light your way to abundance!

TUBU Grow Lights is proud to be your one-stop shop for cultivating top-shelf cannabis indoors! We understand the importance of dialing in every aspect of your growth, and that starts with the right light. Let's answer your FAQs and get your cannabis thriving.

FAQs Answer

Can you grow cannabis with LED lights?

Absolutely! In fact, LED lights have become the industry standard for cannabis cultivation. Here's why:

LEDs convert way more electricity into usable light compared to traditional options, saving you money on your grow bill.

LEDs emit specific wavelengths that cannabis craves for optimal growth and bud production.

Unlike hot-running HIDs, LEDs keep your grow room comfortable for your plants.

LEDs last for years, minimizing replacements and maintenance costs.

Where should I place your cannabis grow light?

The ideal placement depends on your grow space and light fixture. Here's a general guideline.

Seedlings & Clones - Maintain a distance of 24-30 inches above your young plants.

Vegetative Stage - As your plants mature, adjust the light to 18-24 inches for optimal coverage.

Flowering Stage - Move the light closer, aiming for 12-18 inches to maximize bud development.

What size light do I need to grow cannabis?

The size (wattage) of your light depends on the size of your growing space. Here's a rough estimate for optimal light intensity.

Seedlings & Clones - 20-30 watts per square foot

Vegetative Stage - 30-50 watts per square foot

Flowering Stage - 50-70 watts per square foot

What level of LED light for cannabis plants?

Instead of lumens (which measure light perceived by the human eye), focus on PPFD (Photosynthetic Photon Flux Density). This measures the amount of light usable by plants for photosynthesis. Here's a good range for cannabis.

Seedlings & Clones - 200-300 μmol/m²/s (micro moles per meter squared per second)

Vegetative Stage - 400-600 μmol/m²/s

Flowering Stage - 600-800 μmol/m²/s

How much light does indoor cannabis need?

The amount of light (daily light integral or DLI) your cannabis needs depends on the growth stage.

Seedlings & Clones - 12-18 hours of light per day with a DLI of 12-18 mol/m²/day

Vegetative Stage - 18-24 hours of light with a DLI of 18-24 mol/m²/day

Flowering Stage - Typically, 12 hours of light and 12 hours of darkness with a DLI of 18-24 mol/m²/day

TUBU offers a wide range of high-performance LED grow lights specifically designed for cannabis cultivation. We provide detailed specifications and expert advice to help you choose the perfect light for your needs. Contact TUBU today and unlock the full potential of your cannabis garden! We'll guide you to a flourishing harvest.

About the author

TUBU is an expert in LED light research with more than 10 years of experience in this field. We hope that through our TUBU research, LED lighting technology will become more popular and bring greater convenience and comfort to people's lives.

{"email":"Email address invalid","url":"Website address invalid","required":"Required field missing"}

Never miss a good story!

 Subscribe to our newsletter to keep up with the latest trends!