As leaves stop producing chlorophyll, they begin to change colour. (www.mooseyscountrygarden.com) by Admin on October 30, 2012 Admin Author More in : Military spending fuels oppression, not peace September 6, 2024 Saints, Sinners, Lovers and Fools subverts time September 4, 2024 Ask The Trib: Your guide to thriving socially in your first semester at McGill September 4, 2024 As leaves stop producing chlorophyll, they begin to change colour. (www.mooseyscountrygarden.com)