Eaton Canyon Natural Area is located at 1750 North Altadena Drive, one block north of New York Drive in Pasadena, California. There is a sign on the east side of the street which clearly marks the entrance to the Park. From the 210 Freeway eastbound, exit at Sierra Madre Boulevard/Altadena Drive. Turn left (north) at the first light (Altadena Drive) and go 1.6 miles to the park entrance. From the 210 Freeway westbound, exit at San Gabriel Boulevard/San Marino. Turn right (north) at the second light (Altadena Drive) and go 1.5 miles to the park entrance. Click on 'View larger map' for personalized directions.
1750 North Altadena Drive
Pasadena, CA 91107
Eaton Canyon Hours
Park & Trails: open daily from 7:30am to 5:00pm; closed Christmas & New Year's Equestrian Staging Area: open daily 8-5; closed Christmas & New
Year's Nature Center & Museum: open daily from 9-5 except: Mondays,
Christmas Day, and New Year's, but open on other Monday holidays.
Name: Horseweed (Conyza canadensis)
Family: Sunflower (Asteraceae) Flowering Season: May thru December Notes: A non-native annual, it can be found in weedy, waste, or disturbed places. Can grow to 5 feet
Photographs by Gabi McLean
Horseweed (Conyza canadensis)