Blue light is primarily responsible for vegetative leaf growth. Red light, when combined with blue light, encourages flowering.
Found that on this site Colorado State University Master Gardener - Plant Growth Factors: Light

So I wonder if having alot more blue light during the vegetative phase would make even healthier and bigger plants as SnS' (not dissing your plants look amazing-just dreamin here:smokin and then in the flowering stage we will provide red light....
physicsnole Reviewed by physicsnole on . LED growing- An instructional grow log trying this again. growing jack herer x bubbleberry in pure LED. these plants wont see any white light from seed to bud. tried posting pics once...so here we go again. questions or comments gladly answered. Dont think its been done quite like this before. ;) wish me luck! whiskeytango SnSstealth Rating: 5