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Fluorescent Grow Lights

Fluorescent grow lamps like T5s and grow CFL bulbs are ideal for low-light crops and early growth stages. They offer low wattage and cool temperatures, making them safe for propagation trays, clone domes, and microgreens.

These fluorescent grow lights bulbs provide enough power to grow seedlings, herbs, and leafy greens. They are ideal for hobby growers, home gardens, or any setup where gentle light is required.

Got questions regarding fluorescent lighting? Our fluorescent grow light FAQs section is here to help you.

Interlux 125 Watt CFL Bulb (6400K Cool White) Fluorescent Light Grow Light Central
Interlux 125 Watt CFL Bulb (6400K Cool White)
$35.95 - $35.95
$35.95
$35.95 - $35.95
$35.95

InterLux 125 Watt CFL Bulb - 6400K Cool White

InterLux

Plug in and grow with this 125W 6400K CFL bulb‚ perfect for powering lush vegging in compact or humid grow setups. The 125-watt 6400K cool white co...

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$35.95 - $35.95
$35.95
$35.95 - $35.95
$35.95
Interlux 4 Foot 6500K T5 Fluorescent Bulb For Vegging
$279.00 - $279.00
$279.00
$279.00 - $279.00
$279.00

InterLux 4 Foot 3000K T5 Fluorescent Bulb For Bloom (50 Pack)

InterLux

Stock up on 50 warm-spectrum 3000K T5 bulbs ideal for powering through flowering with consistent light output. This pack includes fifty T5 fluoresc...

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$279.00 - $279.00
$279.00
$279.00 - $279.00
$279.00
Interlux 2 Foot 6500K T5 Fluorescent Bulb For Vegging
$39.95 - $39.95
$39.95
$39.95 - $39.95
$39.95

InterLux 2 Foot 3000K T5 Fluorescent Bulb For Bloom (5 Pack)

InterLux

Fuel the bloom phase with 5 warm-spectrum 3000K T5 bulbs built for consistent flowering power in 2-foot fixtures. This pack includes five T5 fluore...

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$39.95 - $39.95
$39.95
$39.95 - $39.95
$39.95
Interlux 200 Watt CFL Bulb (6400K Cool White) Fluorescent Light Grow Light Central
Interlux 200 Watt CFL Bulb (6400K Cool White)
$42.50 - $42.50
$42.50
$42.50 - $42.50
$42.50

InterLux 200 Watt CFL Bulb 6400K Cool White

InterLux

Plug in and grow with these 6400K CFL bulbs built for lush vegging. The 200-watt 6400K cool white compact fluorescent bulb from Interlux is ideal f...

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$42.50 - $42.50
$42.50
$42.50 - $42.50
$42.50
Interlux 4 Foot 6500K T5 Fluorescent Bulb For Vegging
Save $1.00 Save $0.00
$350.00
$350.00 - $350.00
$350.00
$349.00
$349.00 - $349.00
$349.00

InterLux 4 Foot 6500K T5 Fluorescent Bulb For Vegging (50 Pack)

InterLux

Get 50 cool-spectrum 6500K T5 bulbs ideal for vegging, cloning, and seeding with consistent, reliable output. This pack includes fifty T5 fluoresc...

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$350.00
$350.00 - $350.00
$350.00
$349.00
$349.00 - $349.00
$349.00
Save $1.00 Save $0.00
Interlux 2 Foot 6500K T5 Fluorescent Bulb For Vegging
$39.95 - $39.95
$39.95
$39.95 - $39.95
$39.95

InterLux 2 Foot 6500K T5 Fluorescent Bulb For Vegging (5 Pack)

InterLux

Keep your vegging phase strong with this 5-pack of 6500K T5 bulbs built for seedlings, clones, and early-stage growth. This pack includes five T5 f...

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$39.95 - $39.95
$39.95
$39.95 - $39.95
$39.95

Frequently Asked Questions

How does fluorescent grow light affect plant growth?

Fluorescent grow lights boost foliage growth and prevent legginess, especially beneficial for seedlings when placed very close (2–4″).

Do fluorescent grow bulbs make good grow lights?

Yes. Fluorescent bulbs (T5/CFL) are effective and budget-friendly for vegetative growth, though they lack the intensity for robust flowering.

How does fluorescent grow light affect plant growth?

Plants can survive (and even thrive) under just a compact fluorescent light in vegetative or low-light settings, but flowering/fruiting often requires stronger lighting.

Which is more cost-effective in the long run, fluorescent or LED grow lights?

LED grow lights cost more upfront but typically consume up to 75% less energy than fluorescents, leading to substantial long-term savings.