IMHO, 6500/6700K and lower looks like pee in the water. If possible, I try for a mix of 6700K and 10,000K or I go for the 8,800K bulbs.
But back to your original question, plant growth has almost nothing to do with color temperature. What matters is the spectrum of light that the bulb puts out. If it falls within the range of useable light for plants, then they'll grow, despite the color temperature of the bulb. If the bulb suits your eyes but puts out the wrong spectrum, your plants won't grow well.
But back to your original question, plant growth has almost nothing to do with color temperature. What matters is the spectrum of light that the bulb puts out. If it falls within the range of useable light for plants, then they'll grow, despite the color temperature of the bulb. If the bulb suits your eyes but puts out the wrong spectrum, your plants won't grow well.
