Quote Originally Posted by Weezard
I suppose.

Been trying to grow Gainesville green indoors.
Was having no luck. Seems like she hated CFLs and LEDs.
Did grow a bit under HPS so I had a think.
Attachment 289575

It's a clue.
Mo' red, less blue.
Woohoo!

Had her under a 7:3 veg panel
She perked right up when i put her under my 4:1 bloom panel.
When the sun hits the atmosphere from an angle, more blue light gets scattered and the result is a red shift.
Plants that have adapted to that red shift seem to get confused by a blue shift.

Still futzing about with it and would appreciate any input.

Aloha,
Weezard
Great info. Im doing my reading on LEDs and you've been a valuable resource.
A few thoughts..
Most of the classic sativas are based near the equator (Columbia, Thailand, Malawi are a few examples I can think of) where red shift would be at a relative minimum vs. a classic indica from Afghanistan where shallower sun angles would enhance the effect..
A quick googling of gainsville green says Thai x Hawaiian.. not sure if true, but interestingly, both locations are at the same latitude.