Fluorescent Grow Light Bulbs

Looking for fluorescent grow light fixtures? They're right here.

Got questions about plant lighting? Check out GYO's guide to Lighting Your Indoor Garden and light it up the right way!

Need help determining the best lighting for your space? Call the GYOstuff grow light experts at (617) 945-1654. We're here to help!

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Agrobrite Compact Fluorescent Bulb - 125W, Dual Spectrum Agrobrite Compact Fluorescent Bulb - 200W, Dual Spectrum Agrobrite Compact Fluorescent Bulb - 200W, Warm
Agrobrite Compact Fluorescent Bulb - 125W, Dual SpectrumAgrobrite Compact Fluorescent Bulb - 200W, Dual SpectrumAgrobrite Compact Fluorescent Bulb - 200W, Warm

125W mogul base dual spectrum fluorescent bulb

200W mogul base dual spectrum fluorescent bulb

200W mogul base 2700K fluorescent bulb

$44.99

$41.99

$74.99

$69.99

$69.99

$62.99

Agrobrite Compact Fluorescent Bulb - 250W, Daylight Agrobrite Compact Fluorescent Bulb - 250W, Dual Spectrum Agrobrite Compact Fluorescent Bulb - 250W, Warm
Agrobrite Compact Fluorescent Bulb - 250W, DaylightAgrobrite Compact Fluorescent Bulb - 250W, Dual SpectrumAgrobrite Compact Fluorescent Bulb - 250W, Warm

250W mogul base 6500K fluorescent bulb

250W mogul base 2700K fluorescent bulb

250W mogul base 2700K fluorescent bulb

$89.99

$81.99

$94.99

$85.99

$89.99

$81.99

Agrobrite Compact Fluorescent Bulb 26W/6500K, 130W Equivalent Agrobrite Compact Fluorescent Bulb 32W/6500K, 150W Equivalent Agrobrite Compact Fluorescent Bulb - 125W, Daylight
Agrobrite Compact Fluorescent Bulb 26W/6500K, 130W EquivalentAgrobrite Compact Fluorescent Bulb 32W/6500K, 150W EquivalentAgrobrite Compact Fluorescent Bulb - 125W, Daylight

Costs almost nothing to operate

Costs almost nothing to operate

125W mogul base 6500K fluorescent bulb

$10.95

$10.39

$12.95

$12.29

$39.99

$36.99

Compact Fluorescent Bulb - 125W, Warm Compact Fluorescent Bulb - 200W, Daylight Feliz Red Fluorescent 200W
Agrobrite Compact Fluorescent Bulb - 125W, WarmAgrobrite Compact Fluorescent Bulb - 200W, DaylightFeliz Red Fluorescent 200W

125W mogul base 2700K fluorescent bulb

200W mogul base 6500K fluorescent bulb

200W mogul base red fluorescent bulb

$39.99

$36.99

$69.99

$62.99

$72.95

$68.99

Feliz Blue Fluorescent 300W Eye Hortilux PowerVEG 2' T5 Fluorescent Lamp Eye Hortilux PowerVEG 2' T5 Fluorescent Lamp
Feliz Blue Fluorescent 300WEye Hortilux PowerVEG 2' T5 Fluorescent LampEye Hortilux PowerVEG 2' T5 420 Blue Grow Light

300W mogul base blue fluorescent bulb

THE BEST 2' T5 grow bulb available. Provides UVA and UVB, promotes extreme photosynthesis. Special offer: buy more and save!

A true VEG light for indoor growers. Works in any 2' T5 fluorescent fixture. Special offer: Buy more and save!

$115.95

$99.99

$24.95

$23.99

$24.95

$23.99

Eye Hortilux PowerVEG 4' T5 460 Blue Grow Light Eye Hortilux PowerVEG 2' T5 633 Red Grow Light Eye Hortilux PowerVEG 2' T5 633 Red Grow Light
Eye Hortilux PowerVEG 2' T5 460 Blue Grow LightEye Hortilux PowerVEG 2' T5 633 Red Grow LightEye Hortilux PowerVEG 2' T5 660 Red Grow Light

Bridges the gap between vegetative and flowering stages. Works in any 2' T5 fluorescent fixture. Special offer: Buy more and save!

Prepares your plants for fruiting and flowering. Works in any 2' T5 fluorescent fixture. Special offer: Buy more and save!

Maximizes the flowering process. Works in any 2' T5 fluorescent fixture. Special offer: Buy more and save!

$24.95

$23.99

$24.95

$23.99

$24.95

$23.99

Eye Hortilux PowerVEG 4' T5 Fluorescent Lamp Eye Hortilux PowerVEG 4' T5 Fluorescent Lamp Eye Hortilux PowerVEG 4' T5 460 Blue Grow Light
Eye Hortilux PowerVEG 4' T5 Fluorescent LampEye Hortilux PowerVEG 4' T5 420 Blue Grow LightEye Hortilux PowerVEG 4' T5 460 Blue Grow Light

THE BEST 4' T5 grow bulb available. Provides UVA and UVB, promotes extreme photosynthesis. Special offer: Buy more and save!

A true VEG light for indoor growers. Works in any 4' T5 fluorescent fixture. Special offer: Buy more and save!

Bridges the gap between vegetative and flowering stages. Works in any 4' T5 fluorescent fixture. Special offer: Buy more and save!

$29.95

$29.95

$28.99

$29.95

$28.99

Eye Hortilux PowerVEG 4' T5 633 Red Grow Light Eye Hortilux PowerVEG 4' T5 633 Red Grow Light T5 2' 6400K Bulb, 24W
Eye Hortilux PowerVEG 4' T5 633 Red Grow LightEye Hortilux PowerVEG 4' T5 660 Red Grow LightT5 2' 6400K Fluorescent Bulb, 24W

Prepares your plants for fruiting and flowering. Works in any 4' T5 fluorescent fixture. Special offer: Buy more and save!

Maximizes the flowering process. Works in any 4' T5 fluorescent fixture. Special offer: Buy more and save!

2' T5 grow bulb - vegetative spectrum

$29.95

$28.99

$29.95

$28.99

$8.24

$8.09

MaxLume T5 2' 3500K Fluorescent Bulb, 24W T5 2' High Output Fluorescent Bulb T5 4' 3500K Fluorescent Bulb
MaxLume T5 2' 3500K Fluorescent Bulb, 24WGE Starcoat T5 2' 6500K High Output Fluorescent BulbT5 4' 3500K Fluorescent Bulb

2' T5 grow bulb for flowering.

Highly efficient, long lasting, vegetative spectrum

Energy efficient, long life, warm spectrum.

$7.95

$7.59

$16.95

$16.49

$8.95

$8.49

T5 4' 6500K Fluorescent Bulb T5 4' 6400K Fluorescent Bulbs, (4 pack) T5 2' Warm Bulb
T5 4' 6500K Fluorescent BulbT5 4' 6400K Fluorescent Bulbs, (4 pack)Philips T5 2' 3000K Warm Fluorescent Bulb

Energy efficient, long life, daylight spectrum

Energy efficient, long life, daylight spectrum

High output, warm spectrum

$8.95

$8.49

$41.95

$39.99

$14.95

$13.99

Philips T5 4' 3000K Warm Fluorescent Bulb Philips T5 4' 5000K Daylight Fluorescent Bulb Spectralux T5 VHO 95W 4' 3000K
Philips T5 4' 3000K Warm Fluorescent BulbPhilips T5 4' 5000K Daylight Fluorescent BulbSpectralux T5 VHO 95W 4' 3000K Fluorescent Lamp

High output, warm spectrum

High output, daylight spectrum

For use with VHO fluorescent fixtures

$16.95

$15.99

$16.95

$15.99

$15.95

$15.49

Green Fluorescent T5 2' Green Fluorescent T5 4' T8 4' 6500k Fluorescent Bulb (2 pack)
Green Fluorescent T5 2'Green Fluorescent T5 4'T8 4' 6500k Fluorescent Bulb (2 pack)

Work on your plants at night

Work on your plants at night

Fits 4' T8 & T12 fluorescent fixtures

$11.95

$11.49

$13.95

$13.49

$14.95

$13.99

T12 2' 5200K Fluorescent Bulb T12 2' 5850K Fluorescent Bulb Agrosun T12 20W 24" Fluorescent Tube, Case of 6
T12 2' 5200K Fluorescent BulbT12 2' 5850K Fluorescent BulbAgrosun T12 20W 24" Fluorescent Tube, Case of 6

For 2' T12 fixtures - daylight spectrum

For 2' T12 fixtures - daylight spectrum

For 2' T12 fixtures - daylight spectrum.

$9.95

$9.49

$16.95

$15.99

$94.95

T12 4' 6400K Fluorescent Bulb T12 4' 40W Fluorescent Bulb 5850K Agrosun T12 40W 48" Fluorescent Tube, Case of 6
T12 4' 6400K Fluorescent BulbT12 4' 5850K Fluorescent BulbAgrosun T12 40W 48" Fluorescent Tube, Case of 6

For 4' T12 fixtures - daylight spectrum

For 4' T12 fixtures - daylight spectrum

For 4' T12 fixtures - daylight spectrum.

$9.95

$9.79

$16.95

$15.93

$94.95

Replacement Bulb for Agrobrite Desktop & Standing Lamps AeroGarden Replacement Grow Lights - 2 pack
Replacement Bulb for Agrobrite Desktop & Standing LampsAeroGarden Replacement Grow Lights - 2 pack

Replacement bulb for Floor & Desktop Plant Lights.

Replacement Grow Lights - 2 pack

$7.95

$7.49

$24.95

$22.49

1 - 44 of 44 items