u003cstrongu003eNot long at all! u003c/strongu003eUnlike many other infused liquors that typically take days to infuse, a few hours is usually plenty to get a deep indigo color from the butterfly pea flower tea. u003cbr/u003eu003cbr/u003eYou can infuse longer if you want to see if you can get the color darker, and it won't change the taste.