Grow Light Bulbs

Grow Light Bulbs

London Grow's range of premium grow light bulbs ensure that your crops get the same energy that the sun delivers to outdoor plants. Top-quality and reliable grow bulbs promote photosynthesis and strong crops development. Our selection of lights for growing plants sustains healthy growth during the vegetative and blooming phases.

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33 products

LUMii BLACK HPS Bulb 600W - London GrowLUMii BLACK HPS Bulb 600W - London Grow
Lumii
LUMii BLACK HPS Bulb 600W Sale price£14.95
LUMii EnviroGro CFL Bulb - London GrowLUMii EnviroGro CFL Bulb - London Grow
Lumii
LUMii EnviroGro CFL Bulb Sale priceFrom £20.95
Maxibright 600W HPS Dual Spectrum - London GrowMaxibright 600W HPS Dual Spectrum - London Grow
Maxibright
Maxibright 600W HPS Dual Spectrum Sale price£14.50
Sunmaster Dual Spectrum HPS Bulb - London GrowSunmaster Dual Spectrum HPS Bulb - London Grow
Sunmaster
Sunmaster Dual Spectrum HPS Bulb Sale priceFrom £15.50
Sylvania Grolux HPS Bulb - London Grow
Sylvania
Sylvania Grolux HPS Bulb Sale priceFrom £18.00
LUMii SunBlaster HPS Bulb - London GrowLUMii SunBlaster HPS Bulb - London Grow
Lumii
LUMii SunBlaster HPS Bulb Sale priceFrom £16.80
Sunmaster Cool Deluxe MH 7.2K Bulb - London Grow
Sunmaster
Sunmaster Cool Deluxe MH 7.2K Bulb Sale priceFrom £24.95
Powerplant MH Retro Fit Bulb - London Grow
PowerPlant
Powerplant MH Retro Fit Bulb Sale priceFrom £16.40
Philips MASTER GreenPower SON-T PIA HPS Bulb - London Grow
Philips
Philips MASTER GreenPower SON-T PIA HPS Bulb Sale priceFrom £35.90
Osram Plantastar HPS Bulb - London Grow
Osram
Osram Plantastar HPS Bulb Sale priceFrom £24.95
On Sale
PowerPlant Super HPS Bulb - London Grow
PowerPlant
PowerPlant Super HPS Bulb Sale priceFrom £15.90
Save £3.50
Sunmaster - DS Grow+ Photonic HPS Bulb 600W 400V - London Grow
Sunmaster
Sunmaster - DS HPS Bulb 600W 400V Sale price£31.45 Regular price£34.95
Osram Vialox SON-T HPS Bulb - London Grow
Osram
Osram Vialox SON-T HPS Bulb Sale priceFrom £19.95
Lumii - HPS 400V DE Bulb 1000W - London Grow
Lumii
LUMii - HPS 400V DE Bulb 1000W Sale price£54.95
Philips - MASTER GreenPower EL SON-T PIA HPS Bulb 600W 400V - London Grow
Philips
Philips - MASTER GreenPower EL SON-T PIA HPS Bulb 600W 400V Sale price£49.95
On sale
Sunmaster Dual Spectrum HPS LampSunmaster Dual Spectrum HPS Lamp
Sunmaster
Sunmaster Dual Spectrum HPS Lamp Sale priceFrom £17.95 Regular price£34.95
Save £21.00
Lumii - Solar Gro 315W Bulb - London Grow
Lumii
LUMii - Solar Gro 315W Bulb Sale price£53.95 Regular price£74.95
Sylvania - Grolux HPS Bulb 600W 400V - London GrowSylvania - Grolux HPS Bulb 600W 400V - London Grow
Sylvania
Sylvania - Grolux HPS Bulb 600W 400V Sale price£39.95
Philips - HPI MH Bulb 400W - London Grow
Philips
Philips - HPI MH Bulb 400W Sale price£30.00
Philips MASTER SON-T PIA Plus HPS Bulb - London Grow
Philips
Philips MASTER SON-T PIA Plus HPS Bulb Sale priceFrom £31.20
On SaleSave £24.00
Lumii - Solar Gro 630W DE Bulb - London Grow
Lumii
LUMii - Solar Gro 630W DE Bulb Sale price£105.95 Regular price£129.95
Coming soon
Sylvania T5 Tube - London Grow
Sylvania
Sylvania T5 Tube Sale priceFrom £3.12 Regular price£3.90
Philips - MASTER Color CDM 942 Daylight Elite 315W - London Grow
Philips
Philips - MASTER Color CDM 942 Daylight Elite 315W Sale price£99.95
Philips - SON-T HPS Bulb 1000W - London Grow
Philips
Philips - SON-T HPS Bulb 1000W Sale price£110.90
Save £24.00
Lumii - Solar Pro 630W DE Bulb - London Grow
Lumii
LUMii - Solar Pro 630W DE Bulb Sale price£105.95 Regular price£129.95
On SaleSave £9.00
Osram - Plantastar HPS Bulb 600W 400V - London Grow
Osram
Osram - Plantastar HPS Bulb 600W 400V Sale price£39.95 Regular price£48.95
Coming soon
Osram - Plantastar HPS DE EL Bulb 1000W 400V - London Grow
Osram
Osram - Plantastar HPS DE EL Bulb 1000W 400V Sale price£54.95 Regular price£79.95
Coming soon
Adjust-a-Wing HPS 400V DE 750W - London Grow
Adjust-a-Wing
Adjust-a-Wing HPS 400V DE 750W Sale price£74.95
Coming soon
Lumatek 600W HPS Lamp - London GrowLumatek 600W HPS Lamp - London Grow
London Grow
Lumatek 600W HPS Lamp Sale price£24.95
Coming soon
EnviroGro by LUMii TLED TubesEnviroGro by LUMii TLED Tubes
Lumii
EnviroGro by LUMii TLED Tubes Sale priceFrom £8.45
DLI UV Series 150W Lamp - London Grow
Dutch Lighting Innovations
DLI UV Series 150W Lamp Sale price£126.95
DLI Horticulture Plus 1000W DE HPS Lamp - London Grow
Dutch Lighting Innovations
DLI Horticulture Plus 1000W DE HPS Lamp Sale price£95.95
DLI Horticulture Plus 750W DE HPS Lamp - London Grow
Dutch Lighting Innovations
DLI Horticulture Plus 750W DE HPS Lamp Sale price£87.95

Choose the best grow light bulbs from industry leaders such as Philips, Lumii, Gavita, Sylvania, Osram, or Sunmaster. Whether you're looking for CFL, CDM, HPS, or MH bulbs, London Grow is the place to be. Cultivate healthy plants year-round with adjustable and wide spectrum lights for indoor plants.

Customise your grow room environment with the right amount of light to cover your crops' needs. Our reliable grow light bulbs accelerate plant development and promote massive blooming. Optimise your grow environment with high-performance units, which offer huge PPFD outputs, optimised PAR spectrum, and long running hours. At London Grow, you'll find the perfect grow light bulbs at the best prices.

Free UK delivery over £75

We aim to deliver your purchase to you within 3-4 working days of placing the order.

Satisfied or Refunded

Changed your mind about what you purchased? No problem you have 30 days to return the items to us.

Top-notch support

Drop us an email if you need advice. If you have a question about improving your grow, check out our Grow Tips.

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