News
Barrina Research Program
The Best Grow Light Spectrum for Tomatoes
A Five-Spectrum Growth Trial
Abstract
We grew the same dwarf tomato under five grow-light spectra for 23 days (22 April–15 May 2026) and measured canopy width and height. A balanced white spectrum ...
Barrina Research Program
Grow Lights for Carnivorous Plants
A Four-Level PPFD Trial on Butterwort (Pinguicula)
Abstract
We grew a butterwort (Pinguicula) across four light levels: 82, 133, 267, and 533 PPFD for 23 days while holding spectrum constant. The b...
Barrina Research Program
How Much Light Do Foliage Houseplants Need?
A Four-Level PPFD Trial on Anthurium
Barrina Grow Light Research · June 2026
Abstract
We grew Anthurium across four light levels: 82, 133, 267, and 533 PPFD (approximately 5,000–32,000 lux) for 23 ...