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.
Park & Trails: open daily from 7:30am to 7:00pm; closed Christmas & New Year's Equestrian Staging Area: open daily 8-7; 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)