grow light spectrum

Grow Light Spectrum for Tomatoes: A Guide to Thriving Plants

Lush indoor garden with thriving tomato plants bearing an abundance of ripe, red tomatoes under the glow of vibrant LED grow lights.

When growing tomatoes, the right grow light spectrum is key to their success. Tomatoes thrive under a mix of red and blue light. Red light (around 600-700 nm) promotes flowering and fruiting, while blue light (400-500 nm) supports strong leaf and stem growth.  Too much of one or the other can throw off their balance, … Read more