grow light

noun

1. a fluorescent light bulb designed to emit light of a wavelength conducive to plant growth.

Example Sentences

I progressively raised the grow light so it was always close to the upper leaves.

From Seattle Times

It would be fun to maximize your space with some lettuce growing in the other pods, but you must move the grow light to stay right near the upper leaves.

From Seattle Times

A 20-watt grow light, adjustable between 11 and 17.5 inches, beams down from the top.

From Seattle Times

The height of the grow light is adjusted manually; you begin with it closer when starting the seeds, then move it higher as the plants grow.

From Washington Post

They will need a heat mat until they germinate and, preferably, a grow light.

From Seattle Times