TheOneGrow LED grow light range displayed in a bright indoor growing room

Full spectrum indoor lighting

LED Grow Lights

TheOneGrow USA

LED Grow Lights for Indoor Growing

Compare compact board lights, high-output bar fixtures, under-canopy lighting and T8 grow light tubes by growing space, coverage and setup style.

  • Shop by seriesCompare distinct fixture formats
  • Match your coverageStart with the grow area
  • See live availabilityCurrent price and stock status

Keep the primary light and supplemental roles separate

The MA120 and MA200 are board-style primary lights. OC640 and OC800 use a wider bar format. Compare actual canopy dimensions, the test-map area and hanging clearance before choosing by the tent label.

Under-canopy lighting adds a lower supplemental layer; T8 2-pack and T8 4-pack suit a shelf-lighting comparison. These formats are not interchangeable substitutes based on wattage. Check each listing’s live availability.

If you also need a tent and airflow equipment, compare kits with lights included before buying a standalone fixture. Keep a fixture’s test area separate from the enclosure size used during testing; neither a category label nor a kit footprint guarantees uniform flowering intensity.

Compact full spectrum fixtures

MA Series LED Grow Lights

Board-style LED grow lights for compact tents, shelves and indoor growing spaces where simple dimming and an efficient footprint matter.

  • Compact board-style format
  • Dimmable full spectrum output
  • Start with the size of your growing area
Explore the MA Series
TheOneGrow MA Series full spectrum LED grow light panels in a bright indoor setting

Multi-bar canopy lighting

OC Series LED Grow Lights

High-output bar fixtures designed to spread light across larger indoor canopies with foldable frames and dimmable control.

  • Multi-bar layout for even distribution
  • Options for 4×4, 5×5 and larger spaces
  • Compare wattage before choosing a fixture
Explore the OC Series
TheOneGrow OC Series multi-bar LED grow light in a bright indoor setting

Targeted supplemental lighting

Fill Light Series

Under-canopy lighting adds targeted light beneath a dense upper canopy. Use it as a supplemental layer, not as a replacement for the primary fixture above the plants.

  • Designed for lower-canopy placement
  • Complements an overhead grow light
  • Check mounting space before ordering
TheOneGrow under-canopy LED fill lights installed beneath a mature indoor canopy

Low-profile shelf lighting

Garden Series Grow Lights

T8 LED grow light tubes fit propagation shelves, houseplant racks and other low-clearance spaces where a slim linear fixture is easier to position.

  • Low-profile tube format
  • Two-pack and four-pack options
  • Useful for shelves and propagation areas
TheOneGrow T8 LED grow light tubes installed on an indoor plant shelf

Start with the growing area

Give your grow the light it needs.

Choose the fixture format first, then compare coverage, wattage, hanging clearance and dimming before you buy.

Find your light
TheOneGrow commercial LED grow lights illuminating a large indoor plant canopy

Compare by setup

Find the Light That Fits Your Grow Space

Use coverage as the starting point, then confirm the current product specifications and hanging guidance on the product page.

Grow spaceSuggested modelPowerFixture style
Compact / 2×2MA120120WBoard lightView MA120
Up to 3×3MA200200WBoard lightView MA200
4×4 flower / 5×5 vegOC640 or OC800640W / 800WBar lightCompare OC lights
5×5 and largerOC10001000WBar lightView OC1000

Buying guidance

LED Grow Light FAQs

Short answers for choosing the right format and planning the installation.

How do I choose the right LED grow light size?

Measure the actual growing footprint first. Match it to the coverage guidance for the fixture, then check hanging clearance, dimming range and the plant stage before ordering.

What is the difference between MA and OC Series lights?

MA Series lights use a compact board-style format for smaller spaces. OC Series lights use a multi-bar layout for broader canopy coverage and higher-output setups.

Can one full spectrum LED grow light support different plant stages?

The full spectrum models on this page are intended to support indoor plants across multiple stages. Use dimming and hanging height according to the product guidance and the response of the plants.

How high should I hang an LED grow light?

There is no single height for every model or plant. Follow the model-specific instructions, begin conservatively, and adjust based on coverage, intensity and signs of plant stress.

Do LED grow lights still need ventilation?

Yes. LED fixtures produce less radiant heat than many older technologies, but the fixture and growing area still need suitable airflow and temperature management.

Prefer a matched setup?

Shop Grow Tent Kits With Compatible Lighting

Compare complete routes that combine a grow tent with lighting, ventilation and control components.

Explore grow tent kits