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100W Grow Lights

All Grow Lights

7 100W grow lights from Vivosun and Spider Farmer. Most cost $60 to $79, and half cost less than $70.

All filtersFilters (1)×
Power draw per light: 100  ×Clear all
BrandVivosun3Spider Farmer2Mars Hydro1Viparspectra1
Power draw per light1007
Coverage area9482
DimmableDimmable6
PriceUnder $755Under $1006Under $2001$75 & above2$100 & above1
Clear allShow 7 Grow Lights
Power draw per light: 100  ×7 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
VivosunSpec score 9.4

100 Power draw per light

+Dimmable for adjustable light intensity
+Full spectrum output for multiple growth stages
+Covers 8 sq ft of growing area
$69.99-36%List: $109.99
as of 11/04/2026 07:38 PST - Details
VivosunSpec score 8.6

100 Power draw per light

+Built-in fan for active air circulation
+Tunable spectrum output
+Compatible with GrowHub E42A and E25 controllers
$79.99-27%List: $109.99
as of 11/04/2026 07:38 PST - Details
Mars HydroSpec score 9.5

100 Power draw per light

+100W output suits small indoor grow spaces
+Dimmable for adjustable light intensity
+Covers 9 square feet of growing area
$59.99-25%List: $79.99
as of 11/04/2026 00:07 PST - Details
VivosunSpec score 9.5

100 Power draw per light

+Full spectrum LED output for plant growth stages
+Dimmable so light intensity can be adjusted
+100W output suits grow tents and greenhouses
$107.99-10%List: $119.99
as of 11/04/2026 07:38 PST - Details
ViparspectraSpec score 9.5

100 Power draw per light

+9 coverage area: the highest coverage area of the 6 here
+100 power draw per light: the highest power draw per light of the 7 here
$65.99-6%List: $69.99
as of 11/04/2026 09:37 PST - Details
Spider FarmerSpec score 9.5

100 Power draw per light

+Dimmable for adjustable light intensity
+Full spectrum output for multiple growth stages
+Covers 9 sq ft, suited to a 3x3 tent
$69.99
as of 11/04/2026 04:39 PST - Details
Spider FarmerSpec score 9.5

100 Power draw per light

+Dimmable for adjustable light intensity
+Full spectrum output for multiple growth stages
+Covers 9 sq ft, suited to a 2x2 tent
$59.99
as of 11/04/2026 04:39 PST - Details

Compare specs

grow lightPower draw per lightSpec scorePrice
1009.4$69.99
as of 11/04/2026 07:38 PST - Details
1008.6$79.99
as of 11/04/2026 07:38 PST - Details
1009.5$59.99
as of 11/04/2026 00:07 PST - Details
1009.5$107.99
as of 11/04/2026 07:38 PST - Details
1009.5$65.99
as of 11/04/2026 09:37 PST - Details
1009.5$69.99
as of 11/04/2026 04:39 PST - Details
1009.5$59.99
as of 11/04/2026 04:39 PST - Details

Before you buy

Other Power draw per light options

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Popular filters

Grow Lights under $10079Grow Lights under $7569Grow Lights under $5054Grow Lights with a Built-In Timer47Dimmable Grow Lights41Grow Lights under $15038Grow Lights under $2536Grow Light Bulbs24

Grow Lights by use

LED Grow Lights 200W and Up15

Related product types

10W Grow Lights8

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.