River Dyed Green In Chicago 2025 Schedule. Why is the chicago river green, is the green dye safe and where can you see the green river? It’s one of chicago’s most recognizable and iconic traditions, with crews taking to boats and dyeing the chicago river a gorgeous shade of green in honor of st.
“green river” is about to take on a whole new meaning this weekend as the chicago river once again gets dyed green for st. Find out what dye is used to turn the chicago river green for st.