Grow Lights under $100

4 grow lights under $100 from Barrina, Sansi, Vivosun and more. Prices run $38 to $85.

AC InfinitySpec score 9.5

Bar

+Bar form factor for linear growing arrangements

+Built-in timer for automated light cycles

+Dimmable for adjustable light intensity

$79.99

as of 11/04/2026 10:38 PST - Details

Vivosun

Bar

+Four-bar set for multiple lighting positions

+16 inch bars cover a wide growing area

+Bar form suits side lighting setups

$80.99-10%List: ~~$89.99~~

as of 11/04/2026 07:38 PST - Details

Barrina

50 Power draw per light, Bar

+50 power draw per light: 27 of the 41 here have a lower power draw per light

$37.99-5%Was: ~~$39.99~~

as of 11/04/2026 12:40 PST - Details

Spider Farmer

Bar

+Set of 4 bars spans 23.6 inches

+UV and IR supplemental spectrum output

+Bar form for linear coverage over plants

−Supplemental UV and IR bars are not a standalone grow light

$85.99

as of 11/04/2026 04:39 PST - Details

Compare specs

Power draw per light	Light type	Spec score	Price
	Bar	9.5	$79.99 as of 11/04/2026 10:38 PST - Details
	Bar	n/a	$80.99 as of 11/04/2026 07:38 PST - Details
50	Bar	n/a	$37.99 as of 11/04/2026 12:40 PST - Details
	Bar	n/a	$85.99 as of 11/04/2026 04:39 PST - Details

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