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Helios 520 EVO+ Review: Best Full Spectrum LED Grow Light in NZ for Indoor and Commercial Growers

Why the Helios 520 EVO+ is One of the Best Full Spectrum LED Grow Lights in NZ
If you're serious about indoor gardening or commercial cultivation in New Zealand, then you already know how vital light quality is to plant health. Today, we’re taking a closer look at the Helios 520 EVO+ LED grow light—and why it's quickly becoming a go-to option for growers wanting better results, higher yields, and healthier plants year-round.
Why Light Quality Matters for Indoor Plants
When it comes to LED grow lights for indoor plants, it’s not just about how bright the light is—it’s about the spectrum of light and how well it mimics natural sunlight. The Helios 520 EVO+ is designed specifically for full cycle plant cultivation, meaning it supports your plants from seedling through to flowering and fruiting.
That’s a game-changer, especially if you're growing indoors year-round in NZ, where natural sunlight can be inconsistent.

What Makes the Helios 520 EVO+ Stand Out?
This isn't your average grow light. The 520 EVO+ is a full spectrum LED grow light, engineered with a blend of cutting-edge diode technology that includes:
  • Samsung LM301H EVO diodes
  • 4Seasons 2835 chips
  • OSRAM supplemental diodes
This unique hybrid setup provides a customised spectrum designed to enhance plant growth at every stage—vegetation, flowering, and everything in between.

Spectrum Breakdown: Why It Matters
The light emitted by the Helios 520 EVO+ covers a broad spectrum—from blue through to far-red (infrared). That means it’s doing more than just keeping your plants alive—it’s actively helping them thrive.
Here’s how:
  • Blue light encourages bushier, stronger vegetative growth
  • Red and deep red light support flowering and fruiting stages
  • Far-red light improves canopy penetration and triggers the Emerson Effect, increasing overall plant efficiency and biomass
👉 Pro tip: If you’re looking for a grow light that helps with fruiting plants or flowering strains, you’ll want one that includes far-red light—something most budget lights in NZ leave out.

What is the Emerson Effect, and Why Should You Care?
The Emerson Effect is a natural process where plants grow faster and photosynthesize more efficiently when exposed to deep red and far-red light together. This results in:
  • Bigger yields
  • Faster flowering times
  • Healthier, more resilient plants
In other words, the Helios 520 EVO+ doesn't just light up your grow room—it supercharges it.

Final Thoughts: Is This the Best LED Grow Light for NZ Growers?
If you're looking for a high-quality LED grow light in NZ that’s built to perform across the entire grow cycle, the Helios 520 EVO+ checks every box:
✅ Full spectrum, including infrared
✅ Premium Samsung and OSRAM diodes
✅ Designed for both hobby growers and commercial setups
✅ Supports veg, flower, and fruiting stages
✅ Energy-efficient and long-lasting
Whether you're running a hydroponic setup in Auckland, a greenhouse in Christchurch, or a stealthy indoor grow in Wellington, this light is built to deliver consistent, professional results.

Ready to upgrade your grow setup?
Check out the Helios 520 EVO+ full spectrum LED grow light—your plants will thank you for it.