Independent · sourced · Updated July 2026

Best Grow Lights (2026)

The best overall grow light is Spider Farmer SE5000 ($409.99). The best value grow light is Mars Hydro FC-E6500 ($489.99). The cheapest is Spider Farmer SE5000 at $409.99. 10 grow lights compared from $409.99 to $1399 across 10 brands — every figure sourced, updated July 2026.

10 grow lights compared on the specs that matter and US price — ranked cheapest-first. Every spec and price links to its source and the date we captured it.

Our data Across the 10 grow lights we priced, the most expensive lists for 241% more than the best-specced one — Spider Farmer SE5000 at $410 — so the premium mostly buys the badge, not better hardware. Premium Myth study, as of July 2026.

Which grow light should you buy?

Three buyer-intent picks from the algorithmic ranking below — no paid placement.

As an Amazon Associate we earn from qualifying purchases. Prices verified 2026-07-11; live price may differ.

Key takeaways

  • Lowest price: Spider Farmer SE5000 at $409.99 (Manufacturer spider-farmer.com lists the SE5000 LED (fixture-only option) at regular price $409.99 (on sale $329.99). Retailer LED Grow Lights Depot lists it at $399.99. Using manufacturer MSRP $409.99 for the fixture only.).
  • Typical price: from $409.99, median $803.38, up to $1399 — across 10 priced.
  • Tracked: 10 products across 10 brands, current through 2026-07-11.
  • Compared on: Actual power (W), Ppf umol s, Efficacy umol j, Flower footprint (ft), Spectrum type, Diode count.

Best by the numbers

Objective winners — each is the leader on one measured spec, with the figure. No subjective ranking.

Top 3 by quality

An algorithmic overall ranking from the data on this page — value for money, spec strength, and recency. 100% data-driven, no paid placement.

  1. Spider Farmer SE5000 Spider Farmer SE5000 Quality score 98/100 Best value
  2. Grower's Choice ROI-E720 Grower's Choice ROI-E720 Quality score 74/100 Most powerful
  3. California Lightworks SpectraMAX Vertical 1000 California Lightworks SpectraMAX Vertical 1000 Quality score 63/100 Most powerful

How we rank: Value 45% · Spec strength 35% · Recency 20%. Scores are computed only within this category from published specs and prices — never influenced by commissions or placement. Method & open data →

Comparison

US price = launch MSRP for the base configuration. Sourced per row.
#Grow LightPriceActual power (W)Ppf umol sEfficacy umol jFlower footprint (ft)Spectrum typeDiode countSource
1 Spider Farmer SE5000 Spider Farmer SE5000 $409.99 48014202.93x3white-plus-red1296 spider-farmer.com
2 Mars Hydro FC-E6500 Mars Hydro FC-E6500 $489.99 73020262.84x4white-plus-red3546 wholesale.mars-hydro.com
3 Medic Grow Fold-8 Medic Grow Fold-8 $559 72020522.74x4white-plus-red web.archive.org
4 ViparSpectra KS5000 ViparSpectra KS5000 $599.99 50012002.44x4white-plus-red1260 viparspectra.com
5 Grower's Choice ROI-E720 Grower's Choice ROI-E720 $720 72018702.65x5white-plus-red2040 hydrobuilder.com
6 AC Infinity IONFRAME EVO8 AC Infinity IONFRAME EVO8 $886.77 73020135x5white-plus-red-farred2688 acinfinity.com
7 California Lightworks SpectraMAX Vertical 1000 California Lightworks SpectraMAX Vertical 1000 $1099 90524853.5tunable-multichannel shop.californialightworks.com
8 HLG Scorpion Diablo HLG Scorpion Diablo $1299 65021303.25x5white-plus-red horticulturelightinggroup.com
9 Fluence SPYDR 2i Fluence SPYDR 2i $1335 63017002.74x4full-spectrum-white fluence-led.com
10 Gavita Pro 1700e LED Gavita Pro 1700e LED $1399 64517002.6white-plus-red3336 advancedhydrogardens.com

Specs are as published by the manufacturer (or a reputable spec source where the official page was unavailable); prices are US launch MSRP. Full per-product records and all spec columns are in our open dataset.

Popular comparisons

Frequently asked questions

What is the cheapest grow light?

Spider Farmer SE5000 is the cheapest at $409.99 (Manufacturer spider-farmer.com lists the SE5000 LED (fixture-only option) at regular price $409.99 (on sale $329.99). Retailer LED Grow Lights Depot lists it at $399.99. Using manufacturer MSRP $409.99 for the fixture only.), as of 2026-07-11.

How much does grow lights cost?

Across the 10 grow lights with a published price, the median is $803.38, ranging from $409.99 to $1399, as of 2026-07-11.

Which grow light is best by the numbers?

Lowest price: Spider Farmer SE5000 ($409.99). Highest warrantyYears: Spider Farmer SE5000 (5 warrantyYears). Lowest weightKg: Spider Farmer SE5000 (6.62 weightKg).

How many grow lights are compared here?

10 grow lights across 10 brands, with US price and key specs, current through 2026-07-11.

What is the best overall grow light?

Spider Farmer SE5000 ($409.99) — Highest overall score (98/100) — the strongest balance of specs, value and recency in this group.

What is the best value grow light?

Mars Hydro FC-E6500 ($489.99) — Most specification per dollar of any grow lights here at $489.99.

What is the most capable grow light?

Grower's Choice ROI-E720 ($720) — Leads this group on the measured specs — a premium pick at $720.

All hardware categories →

How we compiled this

Covers standalone LED horticultural grow-light fixtures for indoor and greenhouse cultivation, sold at a published US price. Excludes fluorescent (T5) and HID/HPS/CMH fixtures, replacement bulbs, LED strip or clip lamps marketed for houseplants, and bare DIY quantum-board kits. Price is typical US MSRP in USD for the fixture only (no separate controller). actualPowerW is rated wall power draw at 100% output in watts (AC). ppfUmolS is total photosynthetic photon flux across the 400-700nm PAR band in micromoles per second (manufacturer-rated total output, NOT canopy PPFD). efficacyUmolJ is photosynthetic photon efficacy (PPF divided by power) in micromoles per joule; higher is better. flowerFootprintFt is the manufacturer-recommended flowering/bloom coverage written as feet x feet (e.g. 4x4); the veg footprint is typically larger and is not listed here. spectrumType is an enum describing the fixed output spectrum: full-spectrum-white, white-plus-red, white-plus-red-farred, or tunable-multichannel. diodeCount is the total number of LED emitters (integer). dimmable is true if the fixture supports onboard, external 0-10V, or app dimming. inputVoltageRange is the accepted AC input range in volts, written min-max. formFactor is an enum: bar-array, quantum-board, foldable-bar, panel, or cob. ipRating is the ingress-protection rating (e.g. IP65), or none if the fixture is not rated. warrantyYears is the manufacturer warranty in years. weightKg is fixture weight in kilograms.

Last verified 2026-07-11. We re-check published specs and prices on a recurring cadence and update this page when they change.

Open data & methodology → · Queryable via MCP

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