Hi Teasweetie, I found this information on http://www.enjoyingtea.com/orgrro.html
Green Rooibos Tea is the unfermented Cape Rooibos Red Bush Tea. It is harvested in small batches and moved straight from the mountain slopes to the drying facilities, to stop the rapid, natural fermentation. Flavonoids and anti-oxidants are higher than fermented Cape Rooibos. Green Rooibos has a light, smooth and aromatic taste. With low tannin and the absence of caffeine makes it an ideal drink, even at night. Green Rooibos is a super thirst quencher. Drink it hot or cold and it makes an excellent iced tea.
My favorite, Ginger & Lime Rooibos, is a green rooibos tea... I get it here: http://www.keriateas.com/index.html
. Unfortunately, the website isn't equipped for online sales yet - you'd have to call to order it (or work out a trade of some sort with a friendly teachatter...