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Free Shipping on most orders over $175 | Sales Tax in NJ only

Full Spectrum Grow Lights

Full spectrum grow LED fixtures mimic the sun’s natural wavelengths, providing plants with blue, green, red, and even far-red light. This broad range promotes strong root development, balanced vegetative growth, and heavy flowering without needing bulb swaps.

Research shows that the spectrum shapes plant morphology, but intensity drives yield. A full spectrum plant light delivers both, ideal for home grows and commercial setups needing simplicity and performance in one fixture. 

Get access to our unbeatable grow light deals with energy incentives and commercial discounts. Plus, find clone, veg, flowering, and full cycle grow lights fast with our grow light comparison table.  

Front view of Black Dog PhytoMAX-4 8S LED grow light displaying the full LED panel design.
Angled front view of Black Dog LED PhytoMAX-4 8S grow light showcasing LED array and cooling fans. 12% discount + Mfg Rebate inside
$1,149.00 - $1,169.00
$1,149.00 - $1,169.00
$1,149.00 - $1,169.00
$1,149.00

Black Dog LED PhytoMAX-4 8S Grow Light

Black Dog LED

500 W full‑spectrum LED delivers 1063 µmol/s with 8‑wavelength Phyto‑Genesis Spectrum for powerful medium-area yields. For growers who refuse to co...

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$1,149.00 - $1,169.00
$1,149.00 - $1,169.00
$1,149.00 - $1,169.00
$1,149.00
Front view of the PhytoMAX-4 20SP grow light featuring a dense LED diode array with the Black Dog logo.
Angled view of the Black Dog LED PhytoMAX-4 20SP grow light showing its LED array and side cooling fans. 12% discount + Mfg Rebate inside
$2,179.00 - $2,199.00
$2,179.00 - $2,199.00
$2,179.00 - $2,199.00
$2,179.00

Black Dog LED PhytoMAX-4 20S Grow Light

Black Dog LED

1250 W full‑spectrum LED delivers 2657 µmol/s and 8‑wavelength Phyto‑Genesis Spectrum for elite commercial yields. The Black Dog LED PhytoMAX-4 20S...

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$2,179.00 - $2,199.00
$2,179.00 - $2,199.00
$2,179.00 - $2,199.00
$2,179.00
Front view of Black Dog PhytoMAX-4 2S LED grow light displaying the full LED panel design.
Angled front view of Black Dog LED PhytoMAX-4 2S grow light showcasing LED array and cooling fans. 12% discount + Mfg Rebate inside
$469.00 - $489.00
$469.00 - $489.00
$469.00 - $489.00
$469.00

Black Dog LED PhytoMAX-4 2S Grow Light

Black Dog LED

Compact 125 W full‑spectrum LED delivers 266 µmol/s with an 8‑wavelength spectrum for maximum yield per watt. Designed for small grow spaces that d...

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$469.00 - $489.00
$469.00 - $489.00
$469.00 - $489.00
$469.00
Front view of Black Dog PhytoMAX-4 4S LED grow light displaying the full LED panel design.
Angled front view of Black Dog LED PhytoMAX-4 4S grow light showcasing LED array and cooling fans. 12% discount + Mfg Rebate inside
$879.00 - $899.00
$879.00 - $899.00
$879.00 - $899.00
$879.00

Black Dog LED PhytoMAX-4 4S Grow Light

Black Dog LED

High-output 250 W LED delivers 531 µmol/s full‑spectrum across 8 wavelengths for compact indoor grows. The Black Dog LED PhytoMAX-4 4S Grow Light d...

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$879.00 - $899.00
$879.00 - $899.00
$879.00 - $899.00
$879.00
Front view of the PhytoMAX-4 16SP grow light featuring a dense LED diode array with the Black Dog logo.
Angled view of the Black Dog LED PhytoMAX-4 16SP grow light showing its LED array and side cooling fans.
12% discount + Mfg Rebate inside
$1,879.00 - $1,899.00
$1,879.00 - $1,899.00
$1,879.00 - $1,899.00
$1,879.00

Black Dog LED PhytoMAX-4 16S Grow Light

Black Dog LED

1000 W LED outperforms 1200 W DE HPS with 2125 µmol/s and full‑spectrum Phyto‑Genesis technology for max output. The Black Dog LED PhytoMAX-4 16S i...

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$1,879.00 - $1,899.00
$1,879.00 - $1,899.00
$1,879.00 - $1,899.00
$1,879.00
Front view of the PhytoMAX-4 24SP grow light featuring a dense LED diode array with the Black Dog logo.
Angled view of the Black Dog LED PhytoMAX-4 24SP grow light showing its LED array and side cooling fans.
12% discount + Mfg Rebate inside
$2,479.00 - $2,499.00
$2,479.00 - $2,499.00
$2,479.00 - $2,499.00
$2,479.00

Black Dog LED PhytoMAX-4 24S Grow Light

Black Dog LED

1500 W full spectrum LED delivers 3188 µmol/s with eight wavelength Phyto Genesis Spectrum for elite cultivation. Meet the powerhouse of the PhytoM...

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$2,479.00 - $2,499.00
$2,479.00 - $2,499.00
$2,479.00 - $2,499.00
$2,479.00
Front view of the PhytoMAX-4 12SP grow light featuring a dense LED diode array with the Black Dog logo.
Angled view of the Black Dog LED PhytoMAX-4 12SP grow light showing its LED array and side cooling fans.
12% discount + Mfg Rebate inside
$1,379.00 - $1,399.00
$1,379.00 - $1,399.00
$1,379.00 - $1,399.00
$1,379.00

Black Dog LED PhytoMAX-4 12S Grow Light

Black Dog LED

750 W full‑spectrum LED replaces 1000 W HPS with 1594 µmol/s and 8‑wavelength spectrum for peak commercial yields. The Black Dog LED PhytoMAX-4 12S...

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$1,379.00 - $1,399.00
$1,379.00 - $1,399.00
$1,379.00 - $1,399.00
$1,379.00

Frequently Asked Questions

How do I know if a grow light is truly full‑spectrum?

Look for a continuous spectral distribution that mimics sunlight, with a high Color Rendering Index (CRI ≈ 95–100) and complete coverage across blue, green, red, and even some UV/IR wavelengths; packaging and CRI/CCT specs, independent certifications, and real-world “white light” appearance are good indicators.

What color should a full spectrum grow light appear?

A full spectrum LED grow light for indoor plants emits white light, not purple or blue-red “blurple”. It appears as natural daylight (CCT ≈ 5000–6500 K) because it includes balanced blue, green, and red wavelengths.

How far should a full‑spectrum LED light be from my plants?

Placement depends on intensity: seedlings often need lights 8–12 inches above, while mature plants are typically hung 2–4 feet away to ensure optimal PPFD without light burn.

Which light spectrum is best for plant growth?

The ideal spectrum of full spectrum grow lights for seedlings to veg spans the full PAR range (400–700 nm), with balanced red and blue plus some green—and optionally far-red/UV—to support both yield and plant health; intensity (PPFD/DLI) is still the most important factor. Learn more about PPFD/DLI in our latest blog.

Are energy rebates available for commercial and large indoor setups?

Yes! Many utility and government programs offer rebates that can cover 50–100% of the cost of qualifying LED grow lights (and even HVAC/dehumidifier upgrades), saving commercial growers thousands and relieving grid strain. Check your eligibility here!