Area behind herbicide application sign near Ecology Trail
Summary
Direct observation documents a Garlon 4 Ultra herbicide application on September 11, 2026 for non-native trees and shrubs in the area behind the posted sign.
Application Details
- Product
- Garlon 4 Ultra
- Ingredient
- Triclopyr
- Application Type
- Herbicide
- Product Source
- Listed on sign/report
- Area
- Presidio of San Francisco
- Coordinates
- 37.79143, -122.45821
Signage
- Present
- Yes
- Condition
- Sign is visible and readable in the provided close-up image, with some plant stems partially crossing the sign.
- Placement Notes
- Posted on a yellow notice board in a planted trail-side area. The sign describes the treated area as non-native trees and shrubs in the area behind the sign.
- Transcription
- CAUTION HERBICIDE APPLICATION. The Presidio has minimized herbicide use by using Integrated Pest Management. To protect the safety of people, pets, and the environment, when herbicides are used, we choose low-risk materials that will effectively control the weeds at this site. Date and approximate time of application. Stay out of treatment area during this time: 9/11/26, 1 PM. Area to be treated: Non-native trees and shrubs in area behind this sign. Herbicide name: Garlon 4 Ultra. Active ingredient: Triclopyr. EPA identification number: 62719-527. This application will control weeds. For further questions, contact: presidio@presidiotrust.gov.
Images
Sources
No source documents are attached to this record.
Record
- Record ID
- 2026-09-11-presidio-non-native-trees-shrubs-garlon-4-ultra
- Date Posted
- Sep 11, 2026