Representatives from Boyce Thompson Arboretum in Superior, the Carnegie Desert Laboratory in Tucson and the University of Arizona Botany Department all spoke at these events to support the Arizona ...

Boyce Thompson Arboretum: The arboretum near Superior often sees leaves changing around late October through mid-November.

Botanist Gustaf Starck rallied people passionate about preserving desert plants with a sign outside his Scottsdale ranch.