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

300-399 Watt Grow Lights

This selection provides robust output for advanced vegging and moderate flowering phases. Ideal for 3x3 tent setups, these lights hit mid-range PPFD targets for growers scaling their output. They deliver spectrum consistency and efficiency, making them a smart investment for home or hobbyist growers looking to push plant growth further.

Transitioning to a larger grow setup? Reach out for bulk options and check if you're eligible for rebate programs!

Spectral distribution chart of HLG 350 Diablo showing high PAR output across blue, green, and deep red wavelengths.
HLG 350 Diablo LED grow light with 'Diablo' branding on a white background 25% Off Discount Code Inside
$549.00 - $598.00
$549.00 - $598.00
$549.00 - $598.00
$549.00

HLG 350 Diablo Full Spectrum LED Light

Horticulture Lighting Group

Maximize yield in tight spaces with 600W HPS power at just 330 watts. The HLG 350 Diablo is a powerful, high-efficiency LED grow light designed to ...

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$549.00 - $598.00
$549.00 - $598.00
$549.00 - $598.00
$549.00
Spectrum chart of the HLG 320 Rspec FR Lamp, depicting the balanced light output with emphasis on red and far-red wavelengths to promote robust flowering.
Top view of the HLG 320 Rspec FR Lamp, displaying its sleek design with integrated reflectors for efficient light distribution in indoor cannabis cultivation. 25% Off Discount Code Inside
$449.00 - $449.00
$449.00
$449.00 - $449.00
$449.00

Discontinued - HLG 320 Rspec FR Full Spectrum LED Light

Horticulture Lighting Group

🛑 Sad news: This product has been discontinued, but don’t hit the brakes just yet! Contact us at (973) 206-7590, and we’ll recommend the best alte...

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$449.00 - $449.00
$449.00
$449.00 - $449.00
$449.00
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Spectrum graph for the HLG Greenhouse Pro FS LED showing optimized full-spectrum output with blue, red, and deep red peaks tailored for cannabis plant growth.
Top-down shot of HLG Greenhouse Pro FS showing long rectangular design and full-spectrum LED layout, built for professional indoor or greenhouse installations. 25% Off Discount Code Inside
$529.00 - $529.00
$529.00
$529.00 - $529.00
$529.00

HLG Greenhouse 350 Pro FS HV LED Grow Light

Horticulture Lighting Group

Enhance flower development with energy-efficient full-spectrum lighting. Built for commercial greenhouse cultivation, the HLG Greenhouse 350 Pro FS...

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