Choosing the right supplemental side lighting for greenhouse crops can significantly boost plant health and yields. This year, four options stand out: the Spider Farmer Glow30 LED Grow Lights Kit offers an excellent full-spectrum, waterproof solution ideal for small to medium setups. The MARS HYDRO ADlite Red30 & Blue30 set excels in targeted flowering and fruiting, perfect for crops needing precise light spectra. For those seeking customizable, app-controlled lighting, the VIVOSUN LumaRay LED Bars deliver full spectrum with red enhancement and easy installation. Lastly, the AC Infinity IONBEAM S16 provides high-efficiency Samsung LEDs with programmable dimming, suitable for larger or more advanced greenhouses. Each choice involves tradeoffs—coverage area, control features, and price—that make some options better suited to specific growers. I’ll guide you through what each product offers and who they serve best.
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Key Takeaways
- Full spectrum lighting promotes overall plant health, especially for small to medium greenhouses.
- Red and blue spectrum lights are best for flowering and vegetative growth, ideal for fruiting crops.
- App-controlled and programmable lights add flexibility but often come at a higher price.
- Coverage area and mounting options vary significantly, influencing suitability for different greenhouse sizes.
- Waterproof and easy-to-install designs help ensure durability in humid greenhouse environments.
| Spider Farmer Glow30 LED Grow Lights Kit, 4-Pack |  | Best Overall Full Spectrum Side Lighting | Light Source Type: LED | Wattage: 32 watts | Waterproof: True | VIEW LATEST PRICE | See Our Full Breakdown |
| MARS HYDRO ADlite Red30 & Blue30 LED Grow Light for Indoor Plants, 30W x 2 |  | Best for Targeted Flowering and Vegetative Growth | Light Source Type: LED | Power Source: Corded Electric | Wattage: 30 watts per light | VIEW LATEST PRICE | See Our Full Breakdown |
| VIVOSUN LumaRay LED Grow Light Bars 16” (8-Bar) Full Spectrum Side Lighting |  | Best for Customizable, App-Controlled Lighting | Light Source Type: LED | Power Source: Corded Electric | Light Output: 900 lumens | VIEW LATEST PRICE | See Our Full Breakdown |
| AC Infinity IONBEAM S16 Full Spectrum LED Grow Light Bars, 16 inches |  | Best for Programmable, High-Efficiency Coverage | Light Source Type: LED | Power Source: Corded Electric | Light Output: 3000 lumens | VIEW LATEST PRICE | See Our Full Breakdown |
| supplemental side lighting for greenhouse crop | Light Source Type | Power Source | Wattage | Light Output |
|---|---|---|---|---|
| Spider Farmer Glow30 LED Grow | LED | — | 32 watts | — |
| MARS HYDRO ADlite Red30 & Blue | LED | Corded Electric | 30 watts per light | — |
| VIVOSUN LumaRay LED Grow Light | LED | Corded Electric | — | 900 lumens |
| AC Infinity IONBEAM S16 Full S | LED | Corded Electric | — | 3000 lumens |
More Details on Our Top Picks
Spider Farmer Glow30 LED Grow Lights Kit, 4-Pack
The Spider Farmer Glow30 LED Grow Lights Kit stands out as the most versatile for small to medium greenhouse setups. These slim, waterproof bars provide a full spectrum of light that closely mimics sunlight, supporting all stages of plant growth. Compared with larger, more complex systems, these are straightforward to install—using adhesive-backed velcro and fixing clips—making them ideal for growers who want a hassle-free upgrade. However, the limited coverage per bar means you may need multiple units for larger areas, and the absence of advanced controls like dimming or timers could be a drawback for those seeking precise lighting schedules. Overall, this kit offers reliable, full-spectrum lighting with minimal fuss, perfect for growers prioritizing ease of use and broad-spectrum support.
Pros:- Full spectrum light promotes healthy plant development
- Waterproof and dust-resistant design suitable for humid environments
- Easy to install with adjustable angles and no wiring required
Cons:- Limited coverage area per bar may necessitate multiple units
- No dimming or advanced control features
- Adhesive mounting might not suit all surfaces
Best for: Small to medium greenhouse growers needing simple, durable full-spectrum lighting
Not ideal for: Large-scale operations or growers requiring advanced control features
- Light Source Type:LED
- Wattage:32 watts
- Waterproof:True
- Shape:Bar
- Size:13 inches per bar
- Additional Features:Full Spectrum, Waterproof, Adjustable angles
Our verdict“A reliable, full-spectrum choice for small to medium greenhouses prioritizing simplicity and durability.”
MARS HYDRO ADlite Red30 & Blue30 LED Grow Light for Indoor Plants, 30W x 2
The MARS HYDRO ADlite Red30 & Blue30 set is tailored for growers focusing on flowering, fruiting, and vegetative stages. Its red and blue spectrum LEDs provide targeted light that can significantly boost yields and plant density. Compared to full-spectrum options, these lights excel at triggering specific growth responses, making them ideal for crops that need precise spectrum control. However, their limited coverage area of 3×3 ft means you’ll likely need multiple units for larger greenhouses or multi-crop setups. The hanging setup with brackets and ropes adds complexity during installation, and the relatively modest wattage suggests they’re best paired with other lighting sources for larger spaces. This set is best suited for growers who want to optimize flowering and vegetative stages in smaller or dedicated zones.
Pros:- Enhances flowering and fruit development for larger yields
- Stimulates healthy vegetative growth and bushiness
- Suitable for both home and small-scale commercial use
Cons:- Limited coverage area of 3×3 ft
- Requires hanging setup with brackets and ropes
- Multiple units needed for larger spaces
Best for: Growers focused on flowering, fruiting, and vegetative development in small to medium spaces
Not ideal for: Large greenhouses or growers needing broad coverage without multiple units
- Light Source Type:LED
- Power Source:Corded Electric
- Wattage:30 watts per light
- Number of Light Sources:4
- Material:Aluminum
- Dimensions:23.62″L x 4.72″W x 4.13″H
Our verdict“An excellent choice for targeted growth phases, especially in smaller or dedicated zones.”
VIVOSUN LumaRay LED Grow Light Bars 16” (8-Bar) Full Spectrum Side Lighting
The VIVOSUN LumaRay LED Bars offer a flexible, full-spectrum lighting solution with red wavelength enhancements. These 8 bars, each 16 inches long, are easy to install using magnetic clamps and can be mounted on poles or walls, making them highly adaptable to different greenhouse layouts. The addition of app control and daisy chain connectivity provides a level of customization that appeals to growers wanting precise, programmable lighting schedules. Compared with simpler systems, this approach adds complexity but allows for tailored light intensity and timing—crucial for optimizing crop cycles. The downside is the need for an SGS app controller, which adds to the setup cost and complexity. These bars are best for growers who want high control flexibility and have the technical setup to support it.
Pros:- Full-spectrum light with red enhancement promotes growth and flowering
- Easy to install with magnetic clamps and versatile mounting options
- Compatible with app control and daisy chain for customization
Cons:- Requires separate SGS controller for app features
- Limited to 8 light bars, may need multiple sets for larger coverage
- Price and warranty details are less transparent
Best for: Growers seeking customizable, app-controlled supplemental lighting for larger or complex greenhouses
Not ideal for: Growers preferring plug-and-play simplicity or with limited technical expertise
- Light Source Type:LED
- Power Source:Corded Electric
- Light Output:900 lumens
- Maximum Wattage:50 watts
- Mounting Type:Pole Mount, Wall Mount
- Special Features:App Control, Daisy Chain, Efficient Power
Our verdict“A versatile, high-control option suited for advanced growers needing precise light management.”
AC Infinity IONBEAM S16 Full Spectrum LED Grow Light Bars, 16 inches
The AC Infinity IONBEAM S16 offers a high-performance option with four 16-inch LED bars designed for supplemental or inter-canopy lighting. Powered by Samsung LM301H EVO LEDs, these bars provide high PPFD levels suitable for boosting crop yields and accelerating growth phases. The magnetic mounting system allows quick setup, and the dimmable feature with programmable scheduling makes this an appealing choice for growers who want precise control over light cycles. Its 3000 lumens output and efficient design support larger areas, though the relatively low wattage of 15W per bar might seem modest, it compensates with high LED efficiency. The main limitation is the absence of waterproofing, which could pose issues in very humid environments, and the higher cost may deter budget-conscious growers. Overall, this system fits growers aiming for scalable, programmable lighting with strong performance.
Pros:- Samsung LM301H EVO LEDs deliver high PPFD and efficiency
- Magnetic mounting simplifies setup
- Dimmable and programmable for tailored light schedules
Cons:- Limited to 15W power per bar, may require multiple units
- No waterproof features, less suited for humid environments
- Higher price point
Best for: Larger greenhouses or growers needing scalable, programmable supplemental lighting
Not ideal for: Small setups or growers on a tight budget who don’t require advanced features
- Light Source Type:LED
- Power Source:Corded Electric
- Light Output:3000 lumens
- Maximum Wattage:15 watts per bar
- Mounting Type:Magnetic
- Dimmable:Yes
Our verdict“A high-efficiency, programmable lighting system ideal for larger or tech-savvy growers.”
How We Picked
Our selection process focused on the main needs of greenhouse growers: effective light spectra, ease of installation, coverage area, durability, and control features. We reviewed products with proven full-spectrum LED technology, tested compatibility with greenhouse setups, and considered user feedback. Price points and scalability were also key, ensuring options suit both hobbyists and commercial operations. By comparing technical specs, installation ease, and unique features, I aimed to present a balanced view of the best supplemental side lighting options for 2026.
| supplemental side lighting for greenhouse crop | Mounting Type |
|---|---|
| Spider Farmer Glow30 LED Grow | — |
| MARS HYDRO ADlite Red30 & Blue | — |
| VIVOSUN LumaRay LED Grow Light | Pole Mount, Wall Mount |
| AC Infinity IONBEAM S16 Full S | Magnetic |
Factors to Consider When Choosing Best Supplemental Side Lighting For Greenhouse Crops
When selecting supplemental side lighting for your greenhouse crops, consider your space size, crop type, and desired control features. Effective lighting should provide the right spectrum, coverage, and ease of installation. In this guide, I’ll explain key factors to help you choose lights that match your specific needs, whether you prioritize simplicity, targeted spectrum, or advanced programmability.
Spectrum and Light Quality
The spectrum you choose directly affects your plants’ growth stages. Full-spectrum lights support overall development, while red and blue LEDs are better for flowering and vegetative phases. Consider your crop cycle and whether targeted or broad-spectrum lighting best suits your goals.
Coverage Area and Mounting Options
Measure your greenhouse space carefully. Lights with adjustable mounting and magnetic or clip-on options provide flexibility. Keep in mind that more powerful or multiple units might be necessary for larger areas, which can influence your setup complexity and budget.
Control and Programmability
Advanced features like dimming, timers, and app control can enhance your ability to optimize light schedules. However, they often come at higher costs and require some technical setup. For small or straightforward setups, simpler plug-and-play models may suffice.
Durability and Environment Resistance
Greenhouse environments often feature high humidity and dust. Waterproof or dust-resistant designs extend the lifespan of your lights, especially for side lighting that’s exposed to moisture. Assess the durability features relative to your greenhouse conditions.
Frequently Asked Questions
What is the best spectrum for greenhouse crops?
The ideal spectrum depends on your crop’s growth stage. Full-spectrum LEDs mimic natural sunlight and support all stages, making them versatile. Red and blue LEDs are particularly effective during flowering and vegetative phases, respectively. Combining both targeted and full-spectrum lighting can optimize growth and yields.
How much coverage should I expect from supplemental side lighting?
Coverage varies widely depending on the light’s wattage and design. Small, bar-shaped lights typically cover around 3×3 feet, while larger fixtures or multiple units can extend coverage to larger zones. Measuring your greenhouse and planning for sufficient overlap helps ensure uniform light distribution across your crops.
Are waterproof lights necessary for greenhouse use?
Yes, waterproof or dust-resistant lights are highly recommended in humid greenhouse environments to prevent damage and ensure longevity. Non-waterproof lights may be suitable for dry or well-ventilated spaces but can degrade faster in high humidity conditions.
Should I choose programmable lighting controls?
Programmable controls, including dimming and timers, offer greater flexibility to tailor light cycles to your crop needs. They are especially valuable for larger operations or crops with specific light requirements. However, they do add complexity and cost, so weigh these factors against your operational scale.
How do I install supplemental side lights in my greenhouse?
Installation varies by product but often involves mounting brackets, magnetic clamps, or adhesive strips. For larger or more permanent setups, wall or pole mounts provide stability. Ensure your mounting surfaces are suitable and that the lights are positioned to maximize even coverage without shading your crops.
Conclusion
For small-scale growers or hobbyists seeking straightforward, full-spectrum lighting, the Spider Farmer Glow30 offers a simple, durable solution. Commercial growers or those with larger greenhouses should consider the AC Infinity IONBEAM S16 or VIVOSUN LumaRay Bars for programmable, scalable options. If your focus is on optimizing flowering and fruiting, the MARS HYDRO ADlite set provides targeted red and blue spectra, though it’s best for smaller zones. Ultimately, your choice depends on the size of your operation, desired control features, and environmental conditions—each product here caters to different priorities, making this lineup versatile enough to meet diverse growing needs in 2026.
