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

Bloom and Flowering Grow Lights

LED grow lights for flowering are engineered for crops in their peak reproductive phase. Red and far-red wavelengths dominate here, boosting bud and fruit development while supporting photoperiod needs.

These bloom red lights are commonly used in grow tents and commercial rows due to their deep canopy penetration and efficiency. Growers aiming for maximum yield without sacrificing quality will benefit from lighting that aligns with upper DLI recommendations.

Optimize your indoor grow with our energy rebates program and bulk pricing, plus read our comprehensive blog to understand how PPFD and light penetration affect plant canopies.

Technical diagram of the GrowPros 4ft Emergency Green Light displaying dimensions, spectral power distribution (SPD) chart, photometric data, and product weight.
Close-up of the GrowPros 4ft Emergency Green Light showing its sleek, linear design with a green lens and compact end cap. Save $36.00 Save $0.00
$135.00
$135.00 - $135.00
$135.00
$99.00
$99.00 - $99.00
$99.00

GrowPros 4ft Emergency Green Light Without Battery

GrowPros

Safely illuminate your grow rooms during dark cycles with plant-safe green light that won’t disrupt flowering or short-day crop development. Earnin...

View full details
$135.00
$135.00 - $135.00
$135.00
$99.00
$99.00 - $99.00
$99.00
Save $36.00 Save $0.00
Angled close-up of the GrowPros 8-foot under canopy grow light showing its vibrant red and purple LED spectrum.
A slim GrowPros Under Canopy Light 8ft Model 2 80% Deep Red Spectrum under canopy grow light mounted on a light stand.
$140.00 - $165.00
$140.00 - $165.00
$140.00 - $165.00
$140.00

GrowPros 4′ Under Canopy Grow Light Model 2 - 80% Deep Red Spectrum 125W

GrowPros

Boost lower canopy yields and flower density with 4 ft under canopy lights engineered for deep red spectrum and uniform light distribution. The Gro...

View full details
$140.00 - $165.00
$140.00 - $165.00
$140.00 - $165.00
$140.00
Angled view of the GrowPros 4′ Under Canopy Grow Light 125W mounted on adjustable telescoping legs with round base supports.
Light stand with a mounted GrowPros Under Canopy light bar on a white background.
$120.00 - $145.00
$120.00 - $145.00
$120.00 - $145.00
$120.00

GrowPros 4′ Under Canopy Grow Light 125W Model 1 - Full Spectrum + Far Red

GrowPros

Boost lower canopy yields and potency with 4 ft under canopy lights engineered for uniform light distribution and optimized flower development. Gro...

View full details
$120.00 - $145.00
$120.00 - $145.00
$120.00 - $145.00
$120.00
Angled view of the GrowPros 8′ Under Canopy Grow Light Model 3 showing the sleek aluminum body with integrated dual-channel LED strip.
GrowPros 8′ Under Canopy Grow Light mounted on adjustable black floor stands, showcasing the dual-channel light bar in a clean side-angle view.
$345.00 - $400.00
$345.00 - $400.00
$345.00 - $400.00
$345.00

GrowPros 8' Cobra Under Canopy Grow Lights Model 3 - 300W Dual Channel UVA + Blue + 5000K / Deep Red + Far Red + 3000K

GrowPros

Light up the entire canopy from top to bottom with this 8ft dual-channel fixture that boosts both veg and flower performance using UVA, blue, red, ...

View full details
$345.00 - $400.00
$345.00 - $400.00
$345.00 - $400.00
$345.00
Close-up of the GrowPros 4′ Under Canopy Grow Light Model 3, featuring a sleek aluminum body and high-efficiency LED strip protected under a clear lens.
GrowPros 8′ Under Canopy Grow Light mounted on adjustable black floor stands, showcasing the dual-channel light bar in a clean side-angle view.
$195.00 - $220.00
$195.00 - $220.00
$195.00 - $220.00
$195.00

GrowPros 4' Cobra Under Canopy Grow Lights Model 3 - 150W Dual Channel UVA + Blue + 5000K / Deep Red + Far Red + 3000K

GrowPros

Push more light through your canopy layers using this compact 4ft dual-channel fixture built for B-bud boost and consistent growth below the tops. ...

View full details
$195.00 - $220.00
$195.00 - $220.00
$195.00 - $220.00
$195.00
Image of the GrowPros Under Canopy Light Model 2 Deep Red Spectrum on a white background.
A slim GrowPros Under Canopy Light 8ft Model 2 80% Deep Red Spectrum under canopy grow light mounted on a light stand.
$250.00 - $275.00
$250.00 - $275.00
$250.00 - $275.00
$250.00

GrowPros 8' Under Canopy Grow Light Model 2 - 80% Deep Red Spectrum 250W

GrowPros

Add deep red spectrum under your canopy to boost bud density, and total yield with this high-efficiency 250W LED fixture. The Grow Pros Solutions 8...

View full details
$250.00 - $275.00
$250.00 - $275.00
$250.00 - $275.00
$250.00
Spectrum chart labeled SQD showing dominant deep red peak around 680nm with supplemental blue and full spectrum output.
Close view of GrowPros Model 5 under canopy light showing built in air circulation tube and orange end caps for row airflow.
$250.00 - $250.00
$250.00
$250.00 - $250.00
$250.00

GrowPros Under Canopy Light Model 5 Air Circulation - 80% Deep Red Spectrum

GrowPros

An under canopy LED grow light with integrated air circulation delivering deep red spectrum to improve lower bud density and overall yield. The Gro...

View full details
Full spectral output chart showing UVA, blue, green, red, and far-red peaks for CHAMELEON LED grow light.
Flat top-down view of GrowPros CHAMELEON LED grow light with eight full-spectrum bars and logo center.
$850.00 - $1,599.00
$850.00 - $1,599.00
$850.00 - $1,599.00
$850.00

GrowPros Chameleon 4 Channel Grow Light - 660, 830, 1000 Wattage Adjustable

GrowPros

Precision four channel grow light engineered for vertical farming with wide coverage low heat and full spectrum control at commercial scale. The Gr...

View full details
$850.00 - $1,599.00
$850.00 - $1,599.00
$850.00 - $1,599.00
$850.00
PPFD output chart for Griffin LED grow light at 100W, 120W, and 150W setups showing light intensity at 12" height.
Underside view of Griffin grow light bars powered on, highlighting distinct color outputs from each LED type.
$899.00 - $899.00
$899.00
$899.00 - $899.00
$899.00

GrowPros Griffin Advanced LED Grow Light - 4 Channels Mix & Match

GrowPros

Advanced LED grow light system delivering precise spectrum control, high efficiency, and modular flexibility for professional grow operations. Buil...

View full details
GrowPros Under Canopy Grow Light Model 4 showing dual red spectrum LED strips.
Full horizontal view of the GrowPros 8ft Under Canopy Light mounted on a GrowPros Light Stand.
$345.00 - $365.00
$345.00 - $365.00
$345.00 - $365.00
$345.00

GrowPros 8' Viper Under Canopy Grow Lights Model 4 - 300W Dual Channel 80% Red + White / Far Red (730nm)

GrowPros

Hit every layer of your canopy with dual-channel red, white, and infrared lighting to grow bigger buds, speed up flowering, and reduce labor at har...

View full details
$345.00 - $365.00
$345.00 - $365.00
$345.00 - $365.00
$345.00
Close-up angled view of the GrowPros Model 4 4FT Under Canopy Grow Light showing the aluminum body, GrowPros Solutions branding, and power connector on one end.
Full horizontal view of the GrowPros Under Canopy Light mounted on a GrowPros Light Stand.
$195.00 - $220.00
$195.00 - $220.00
$195.00 - $220.00
$195.00

GrowPros 4' Viper Under Canopy Grow Lights Model 4 - 150W Dual Channel 80% Red + White / Far Red (730nm)

GrowPros

Boost bud quality and increase yields by lighting up the lower canopy with a compact dual-channel system designed for deeper, more uniform flower d...

View full details
$195.00 - $220.00
$195.00 - $220.00
$195.00 - $220.00
$195.00
Angled view of the GrowPros Under Canopy Light 8ft Model 1 on a white background.
Light stand with a mounted GrowPros Under Canopy light bar on a white background.
$235.00 - $260.00
$235.00 - $260.00
$235.00 - $260.00
$235.00

GrowPros 8′ Under Canopy Grow Light 250W Model 1 - Full Spectrum + Far Red

GrowPros

Boost lower canopy yields and potency with 8 ft under canopy lights engineered for uniform light distribution and optimized flower development. Gro...

View full details
$235.00 - $260.00
$235.00 - $260.00
$235.00 - $260.00
$235.00

Frequently Asked Questions

What color spectrum is best for flowering bud?

During flowering, buds benefit from a red-heavy spectrum, which encourages budding and helps maximize yields. However, a full-spectrum light, which includes some blue, white, and other wavelengths, more closely mimics sunlight and produces healthier, higher-quality buds.

Can I use only red lights during flowering?

You can, but it's not recommended. While red light promotes flowering, using only red limits the plant’s access to other beneficial wavelengths like blue, green, and cyan. Full-spectrum lights or red lights combined with warm/cool white LEDs produce better results by providing a broader range of usable light.

Should I run all my lights (red, blue, and white) during the flowering stage?

Yes. Running all available LEDs creates a fuller light spectrum, closer to natural sunlight. This helps the plant develop more balanced growth and maximizes yield. Even during flowering, plants still use some blue and other wavelengths, not just red.

What happens if I use red and blue lights during flowering?

Red and blue combinations (sometimes called “blurples”) can support flowering but miss key parts of the light spectrum, like green and yellow. While you may still grow decent buds, modern full-spectrum LED lights (including white light) generally outperform blurple setups in both yield and quality.