Whether you want to start seeds indoors or provide supplemental light for houseplants, you've likely come across red grow lights. Red light typically refers to any light with a wavelength ranging from ...

Editor’s note: This article was originally published on Feb. 2, 2025. Plants need light to grow, and while natural sunlight is ideal, artificial lighting can also support healthy growth, especially ...

Light doesn’t just help plants grow—it may also quietly hold them back. Researchers have uncovered a surprising mechanism where light strengthens the “glue” between a plant’s outer skin and its inner ...

Plants in the shade of other plants receive more light than scientists had previously believed. A team of researchers from Utrecht University and Wageningen University & Research (WUR) describe how, ...

It’s well known that plants have a fine-tuned ability to sense changes in the season by how much daylight they’re exposed to, yet scientists observed more than a century ago that plants sometimes grow ...

From choosing the right bulb to knowing how long to leave it on, here's how to keep you houseplants happy and healthy with ...