Natural vs Artificial Light: Which is Better for Cannabis Growth?

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natural vs artificial light: which is better for cannabis growth?

As a cannabis enthusiast, you’ve likely wondered which type of light is better for growing – natural or artificial? Well, I’m here to tell ya that this isn’t an easy answer. It really depends on the unique needs of your grow and what works best in your particular situation.

Natural light has its benefits while artificial light can be more easily controlled and manipulated. In this article, we’ll explore both types of lighting and discuss how they affect cannabis growth so you can make an informed decision about which one is right for you.

Every plant species will respond differently depending on the amount and intensity of the light it receives, as well as other factors such as temperature, humidity levels, etc. Cannabis plants are no exception! Whether you choose natural sunlight or some form of artificial lights- like LED’s or HID’s – there are pros and cons associated with each option that should be considered when making a decision.

So let’s dive into this topic and learn more about how these two sources of illumination impact cannabis cultivation!

Benefits Of Natural Light

The sun has been vital to the growth of cannabis since its inception. No matter what strain, photoperiods and soil types require natural light for optimal growth and yield. Without it, plants will not thrive in their environment—they’ll just survive.

For a novice grower, natural light is ideal as an inexpensive source of energy that does not need to be managed or maintained. Its simple availability allows growers to focus on other aspects like nutrient levels and water management without having to worry about temperature control or electricity bills. It also provides a more consistent light cycle than artificial lighting setups which can result in healthier plants with higher yields.

In addition, using the power of the sun eliminates potential issues related to excess heat as well as radiation burns from too much exposure. Not only are these problems costly in terms of money but they are also detrimental to plant health and could lead to failure during harvest time if not addressed quickly enough.

Natural sunlight gives you peace of mind while providing everything your crop needs for success! With this in mind, let’s explore some of the benefits offered by artificial lighting systems.

Benefits Of Artificial Light

After exploring the benefits of natural light for cannabis growth, let’s now consider artificial lighting.

Artificial lights or grow lamps, such as HIDs and LEDs have revolutionized the cultivation process for many growers.

Unlike in nature where sunlight comes from one direction and intensity can vary, artificial lights allow us to control exactly how much energy a plant receives and when it gets that energy.

This helps give plants more consistent results under controlled conditions.

LEDs are becoming an increasingly popular option among experienced growers due to their ability to provide intense indoor lighting with a minimal amount of heat output.

They also offer various spectrum options depending on your needs; they come in both full-spectrum (for vegetative growth) and blue/red spectrum (for flowering).

Additionally, LEDs don’t require frequent bulb replacements like HID bulbs do so you save money over time.

However, LED fixtures tend to be expensive initially but can still prove cost effective if used correctly.

HIDs are typically best suited for larger grows since they produce more light than LEDS per watt consumed.

Also, some cultivators prefer the warmer yellowish hue emitted by HIDs vs the cooler daylight color given off by LEDs which can affect overall bud quality at harvest time.

The downside is they generate more heat than LEDs so need adequate ventilation systems in place and extra cooling measures during summer months especially outdoors.

Although they may not be considered ‘eco-friendly’ compared to other types of lighting solutions, there is no denying their effectiveness when done right!

Ultimately selecting the right lights for your grow will depend on factors including budget, space constraints, desired yield size & quality plus personal preferences about aesthetics & comfort levels working around particular setups – all considerations that should be taken into account before making any decisions.

Selecting The Right Lights For Your Grow

The debate on natural vs artificial light for cannabis growth has been long-standing. On one hand, natural sunlight is the most cost-effective and sustainable choice; it offers a full spectrum of balanced wavelength that weeds out the guesswork from choosing specific lights for your grow.

But on the other hand, many cultivators often choose to invest in LED or High Intensity Discharge (HID) lamps to better control their plants’ exposure to certain wavelengths that cannot be found naturally.

When selecting lighting for growing cannabis indoors, there are a few key factors to consider such as how much power you need, and your watering strategies. Incorporating an appropriate level of humidity during different phases of growth can help minimize stress on your crops while still providing enough water to keep them healthy – something more easily achieved using HID or LED lamps than through natural sunlight alone.

Additionally, when considering electricity consumption, it’s important to think about carbon footprint too: opting for energy-saving bulbs like LEDs will likely save money in the long run by reducing overall costs associated with running your grow room.

No matter which type of light you ultimately decide upon, creating an environment where all environmental conditions are considered including temperature, air circulation and humidity levels can help ensure maximum yields over time.

With this knowledge at hand and careful consideration taken into account, we are now ready to move onto light intensity & light cycle considerations – two topics that could make all the difference between failure and success!

Light Intensity & Light Cycle Considerations

Growing cannabis is an art form that requires many components to achieve success. Light, both natural and artificial, plays a critical role in the development of healthy plants with dense buds. When it comes to light intensity and light cycle considerations for successful cannabis growth, there are some key things to take into account:

1. Intensity of light should be at least 20-50 micromoles per square meter (µmol/m2) during the flowering stage when growing indoors.

2. Natural sunlight can provide much higher levels of intensity than grow lamps, but often times growers need extra help supplementing their plants with additional lighting sources to ensure optimal growth.

3. Temperature control and humidity levels should also be maintained as these play a big part in how well your cannabis grows.

It’s important to remember that each strain will have different requirements for success so experimentation may be required before ultimately finding what works best for you!

With this knowledge about light intensity and cycles in mind, we can now move on to discuss nutrient requirements for optimal cannabis growth.

Nutrient Requirements For Optimal Cannabis Growth

Cannabis cultivation is a delicate balance of both natural and artificial light. While there is no one-size-fits-all answer to the question of which is better for cannabis growth, it’s important to note that each has its own pros and cons.

Natural Light Artificial Light
————— —————–
Free & Abundant Expensive & Limited
Unpredictable Intensity Predictable Intensity
Difficult To Control Spectrum & Quality Easily Adjustable Spectrum & Quality
Longer Day Lengths Can Cause Flowering Too Early in Seasonal Plantings (Autoflower) Shorter Days For Maximum Vegetative Growth & Yields (Photoperiodic)

When considering an individual grow setup, factors such as climate, available space, budget, seasonality, and desired strain should all be taken into account when deciding between using either natural or artificial lighting. Nutrient requirements must also be considered for optimal cannabis growth; watering strategies and soil nutrition will play critical roles in successful harvests regardless of the type of light used. In addition to the basics like pH levels and nutrient availability, different strains have their own specific needs when it comes to things like water temperature and humidity—and these needs can vary greatly depending on whether you’re growing indoors or out. Taking the time to do your research before cultivating any crop can help ensure success with whatever environment you choose.

The Role Of Co2 In Cannabis Cultivation

When it comes to cultivating cannabis, nutrient requirements are just the tip of the iceberg. CO2 Management is another key factor in achieving optimal growth and yield. If you don’t manage your plants’ CO2 levels correctly, they could suffer from stunted growth or even death.

Cannabis plants rely on photosynthesis to convert energy into usable resources for their development. Photosynthesis requires light, water, and carbon dioxide (CO2) to be successful. The amount of CO2 available in the air can have a huge impact on plant health and productivity. Without adequate CO2 levels, plants won’t be able to perform optimally – no matter what kind of nutrients they’re receiving!

It’s important to note that different strains of cannabis will require varying amounts of CO2 based on their genetics. Some varieties may need higher levels than others in order to reach maximum potential yields and quality of product. That said, regardless of strain-specific needs, all growers should strive for an ambient level between 1,000 – 2,000 parts per million (ppm).

Maintaining these optimum conditions allows plants access to the best combination of light, water, and gas exchange needed for healthy growth cycles – resulting in bigger harvests with better potency!


When it comes to cannabis cultivation, natural and artificial light can both be beneficial. However, for optimal growth, the right combination of these two sources is essential.

It’s important to consider factors such as light intensity and cycle length when selecting lights, in addition to nutrient needs and CO2 availability.

To summarize: Natural light offers a free energy source that helps your plants thrive while artificial lighting gives you control over the environment.

With careful consideration of all aspects involved, you can cultivate healthy cannabis with either option – but striking a balance between both will yield the best results!

Photo of author


Meet Edward, the passionate gardener turned cannabis enthusiast who is dedicated to exploring different strains and maximizing their yields. With his background as a hydroponic agriculture technician, he brings a unique perspective to the world of cannabis cultivation. As the head field tester at HempGrowly, he shares his technical expertise and insights to help readers achieve their own successful hydroponic grows. Through his easy-to-follow documentation of his findings, Edward hopes to help cannabis growers of all levels achieve maximum yields and enjoy the benefits of this amazing plant.