How Does under Canopy Lighting Supercharge Your Growth? 4 Secret Tips to Boost Plant Growth

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Do you want to grow cannabis plants but don’t have much room? Under canopy lighting is a cool trick that craft farmers use. Basically, it means putting lights under the main plant canopy to highlight the lower branches. This can really help your plants grow bigger and better all around.

How to get the most out of your garden and make it run more smoothly? Under canopy lighting could be what you have been searching for! You can get denser buds, more even growth, and a much bigger harvest with this method. You can use Craft Farmer under canopy lights or any other type.

What are under canopy lights?

Under canopy lights are like giving your plants extra sunshine for their lower parts. They help the leaves and buds that are hidden grow bigger and stronger instead of staying small and weak in the shade.

Under canopy lighting are more than just decorations for your plants. They help you get the most out of your growing space by giving more light to areas that don’t get much from the top. This helps your plants grow better, so you get more food, especially if they are thick or grow in cooler places. Under-canopy lights can help growers get the most out of their plants, but they need a bit more planning than rooftop lights.

Benefits of Under Canopy Lighting: Do under canopy lights work?

The benefits of under canopy lighting for plants with a bushy canopy or in greenhouses where the soil is cold at the roots.

  • Light under the canopy can make shaded areas more visible to light. So flowers with bushy canopies have a better chance of blooming.
  • Under canopy lighting is better for greenhouses with low root zone temperatures because it sends light straight to the places where it’s needed. You can do this to help plants grow and develop without raising your heating costs.

In general, under-canopy lighting can be a valuable tool for growers. They grow better in cooler climates or have dense foliage.

How to use LED under-canopy lighting to grow pots

Top lighting is essential for cannabis growth, but it leaves the lower parts in the dark. This is why under-canopy LED lighting targets light at those often-neglected lower branches and buds.

The under-canopy lighting stimulates photosynthesis in the lower canopy and increases bud production. As a result, areas that would usually produce smaller, less potent flowers develop denser, higher-quality buds.

These lighting leads to significant increases in yields because it optimizes light distribution.

Success factors

There’s no magic bullet when it comes to under-canopy lighting. It’ll work if you have these things:

  • Cannabis plants need different light spectrums at different growth stages. Choose LEDs for your plant’s current phase.
  • Increased light can lead to more humidity and heat near the lower canopy. Keep humidity levels and airflow optimal to prevent mold.
  • You may need to adjust your nutrient levels when your plants grow more buds.

Lighting under the canopy is more advanced. It’s generally best suited to experienced cannabis growers who understand the plant’s needs and how the environment affects it.

Types of Under-Canopy Lighting:

I have covered the different under-canopy lighting options with advantages, disadvantages, and insights:

1. LEDs (under canopy LED lighting)


  • Highly energy efficient
  • Long lifespan
  • Optimal light spectrum for optimal plant growth
  • Low heat output, reducing heat stress risk


The upfront cost is higher than some other options. When not installed properly, there is a potential for uneven light distribution.

2. Fluorescents


  • Affordable
  • A wide range of light spectrums are available.
  • Low heat generation


Over time, they’ll cost you more to run. This doesn’t last as long as LEDs. There may not be enough light intensity for optimal bud development.

3. High-Intensity Discharge (HID) lights.


  • Offer a variety of spectrums suitable for different growth stages.
  • Can provide high light intensity.


They’re less energy efficient than LEDs. The heat output is high, so additional cooling measures may be needed. In comparison to LEDs, they have a shorter lifespan.

Growing cannabis: considerations

Cannabis cultivators mostly use LEDs for under-canopy lighting because of their energy efficiency, customizable spectrum, and reduced heat generation. It’s less common to use fluorescents as supplemental lighting.

As they’re lower in intensity, they’re often used for seedlings and clones. Indoor grow operations are ditching HID lights because they’re too hot and inefficient.

Read Also: Full Spectrum LED Grow Lights: Benefits And Drawbacks

What to consider before implement under-canopy lighting

1. Initial Investment Cost

Under-canopy lighting, especially LED systems, can be more expensive up front than top lighting.

You should weigh the initial purchase price against the potential yields and energy savings. See if you can get government rebates or incentives for energy efficiency.

2. Increased energy consumption

Lights naturally use more electricity. Make sure the under-canopy lights are energy-efficient (LEDs are the best). Consider the potential increase in energy costs versus the increase in yield to decide if it’s worth it.

3. Potential Heat Generation and Mitigation Strategies

Old HIDs, especially near the bottom of your grow space, can raise the temperature.

Use low-heat lights (LEDs). Make sure there’s enough ventilation and airflow, especially around the canopy. Make sure the temperature and humidity are right.

4. Impact on Plant Growth Cycles and Light Sensitivity

Under-canopy lighting can change the intensity and duration of the light your plants receive, potentially affecting their growth.

The right spectrum depends on your plant’s growth phase. Your plants will adjust as you increase intensity and duration. Light-sensitive strains require different under-canopy lighting.

Do some research before you change your lighting setup.

Read Also: Why DAKASON LED Grow Lights Are A Game-Changer For Indoor Gardening

How far should LEDs be from the canopy?

It’s hard to give a single answer. The ideal distance depends on these factors:

  • High-wattage LEDs need to be farther away from plants to prevent light burning.
  • Plant Growth Stage: Young plants need less light, so you can put them further apart. You might have to move the LEDs closer during flowering.
  • Plant type: Different plants respond differently to light.

General guidelines:

Begin at a distance of 24 to 36 inches, and slowly move the lights closer while watching your plants. You can check your LED manufacturer’s recommendations since they’ll have specific guidelines.

Does side lighting increase yield?

You can get a lot more yield from side lighting, especially if you have dense foliage.

Light Penetration Side lighting reaches shaded lower branches and buds that top lighting misses.

Your plants can photosynthesize better with more light, which fuels growth and flowers. It promotes a more balanced canopy and prevents plants from stretching to reach distant light sources.

You can optimize bud development across your whole plant by combining side lighting and under-canopy lighting.

How Does under Canopy Lighting Supercharge Your Growth? 4 Secret Tips to Boost Plant Growth
How Does under Canopy Lighting Supercharge Your Growth?

How much does under-canopy lighting cost?

You can’t get a one-size-fits-all answer because it depends on things like:

There are three kinds of lighting: LEDs, fluorescents, and high-intensity discharge lamps. You need more lights if your growing space is bigger. The price varies between brands and features.

You should calculate the cost and the increase in yield to see if it’s worth it. Check for sales, rebates, and financing options that might make the expense easier.

Can under-canopy lighting be used outdoors?

It’s technically possible to use under-canopy lighting outdoors.

When plants receive ample natural light, supplemental lighting is less impactful. A durable and waterproof fixture is needed for outdoor use. Outdoor lights may attract unwanted attention.

Consider plant training methods to maximize light exposure on the lower canopy for outdoor growth.

How do I choose the right under-canopy lighting for my crop?

You’re picking out sunglasses for your plants when it comes to under-canopy lighting. Plants like different kinds of light, just like people wear aviators and wayfarers. Discover what light spectrum is best for your plants at each stage of growth. It’s a little different for seedlings than for flowering plants.

Measure your growing space! You don’t want to buy new shades that don’t fit your face, and you don’t want bulky lights that crowd your plants. Set a budget for the under-canopy bling. Then you can start shopping around for lights that fit your style (and your budget).

In conclusion, under-canopy lighting can significantly benefit craft cannabis farmers. It boosts yields, improves efficiency, and enhances bud quality.

Check out lighting options for under the canopy to change the way you grow. Remember, research is key to tailoring your lighting setup for optimal results.

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