Postcard CA-1194596 Adam_SK Canada 4 Mar, 2022 58 days 7,963 miles wardmob New Zealand 2 May, 2022 Loading map... In Autumn the production of chlorophyll slows down which means the other chemicals in the leaves that are brown and orange etc can be front and centre - Learn something new from every card :) wardmob said: posted over 1 year ago https://www.kew.org/read-and-watch/why-do-leaves-change-colour You need to sign in to leave a comment!