Grow Lights

Your grow lights are the engine of your indoor garden. Without the right spectrum, intensity, and efficiency, even the best nutrients and techniques will fall short. We stock a comprehensive range of grow lights UK growers trust — including cutting-edge LED quantum boards, high-output HPS systems, CDM and CMH technology, and dedicated propagation lighting. Whether you’re running a single 0.6m tent or a large multi-light room, we have the right light for your setup and goals.

LED Grow Lights — Efficiency and Full-Spectrum Performance
Modern LED technology has transformed indoor growing. Today’s quantum board LEDs from brands like Lumatek, Gavita, Sanlight, and Maxibright deliver exceptional PAR efficiency — often 2.5–3.0+ µmol/J — at a fraction of the running costs of traditional HID lighting. Full-spectrum output, precise dimming controls, and daisy-chain capability make them the most versatile and economical long-term choice for the majority of indoor growers.
LED lights run significantly cooler than HPS, reducing the heat management demands on your extraction system — particularly valuable during summer months or in smaller, warmer spaces. High-end models maintain consistent output over many thousands of hours, removing the need for regular bulb replacement.

HPS Grow Lights — Proven Flowering Performance
High Pressure Sodium remains a battle-tested technology for the flowering stage. The red-heavy spectrum suits fruiting and flowering plants, and the heat output — often cited as a disadvantage — is an asset in cooler rooms or during winter grows. 600W HPS systems continue to deliver outstanding cost-per-gram results for experienced growers already set up with HID infrastructure.
We stock complete HPS kits including digital ballasts, reflectors, and lamps from leading brands, as well as individual replacement lamps for established setups.

CMH and CDM Lighting — Broad Spectrum Quality
Ceramic Metal Halide (CMH) and Ceramic Discharge Metal halide (CDM) lights produce a broad, white-light spectrum with a high CRI (colour rendering index) that closely mimics natural sunlight. The UV component of CMH output is particularly valued for improving essential oil and terpene production in aromatic crops. 315W CMH is a popular choice for single-light full-cycle grows — efficient, effective, and manageable in terms of heat output.

Propagation Lighting
Seedlings and cuttings need low-intensity, blue-rich light — not the full power of a flowering light. Dedicated propagation panels and T5 fluorescent systems provide exactly the right conditions for fast, stress-free establishment of young plants before they move into the main growing area.

How to Choose the Right Grow Light
The key factors to match when choosing a grow light are your tent or room footprint, your target PPFD at canopy height, and your priorities around running cost, heat output, and spectrum. Read our comprehensive grow lights guide for a full breakdown of technologies, PPFD targets, and coverage guidance — or contact our team for a personalised recommendation.
Shop by range: Adjust a Wing reflectors, CFL Lights, Daylight Grow Lights, Digital Ballasts, Gavita Grow Lights, Grow Light Reflectors, Hanging and Accessories, HiD Grow Lights, LED Grow Lights, Lumatek Lighting and Lamps, Maxibright Lighting, Osram Bulbs and Lamps.
Popular products: ROOT !T 26W LINKABLE SEEDLING LED, OCL 750W XL SERIES, ADJUST-A-WINGS 315W E40 3K LAMP.
Read our guides: How to Use Dynomyco Mycorrhizal, How to Use Canna Terra Professional Plus, How to Use Dutch Pro Explode.