Invasive Plant and Weed Site


Over the years, numerous non-native plants have become established in the local ecosystems of our area. This site offers general information on invasive plant species of concern within the Sedona area. Links to local, and national, organizations dedicated to enhancing public awareness are provided. The City of Sedona solicits public input regarding the identification and control, of invasive plants and weeds. Contact information is provided at the end of this page. 

Information can be obtained from the following sites for information regarding invasive plants and weeds in Arizona:

1. The Arizona Wildland Invasive Plants Working Group main website:

2. Invasive Non-Native Plants That Threaten Wildlands In Arizona PDF file:


Buffelgrass is one species that has recently come to the forefront as a particularly hard to control noxious weed. Native to Africa, it was introduced into the U.S. in the 1930’s as livestock forage and for erosion control. Over the years it has proliferated to the point that it is rare to not see it in the southern half of Arizona. Buffelgrass prefers sandy soils, and arid climates below an elevation of 3000 ft. The main issues with the plant is, if allowed to grow unchecked, it can rapidly cover large areas resulting in suppression of desirable plants and it creates a potential grass fire hazard.

Even though Sedona is on the northern boundary of the Buffelgrass range, and above the desired elevation, small isolated areas of Buffelgrass plants have been found within the Sedona city limits. The City Maintenance staff has identified small areas of plants, which are easy to control with spot treatments of Roundup and/or manually removing, bagging, and disposing of individual plants. Staff scouts for Buffelgrass on a continuous basis throughout the city and takes action as required.

Information pertaining to Buffelgrass can be obtained from the following sites:

1. Southern Arizona Buffelgrass Coordination Center. Comprehensive site with information on identification, history, and controls: 

2. Buffelgrass video:


Onion Weed is another invasive noxious weed that has become a concern in the Sedona area. This is another species native to Africa and the Mediterranean/Western European regions that has recently spread to Australia and North America. It is not a true onion, but the leaves are very similar in appearance to the onion. Onion Weed does not invade well-established lawns, but is an issue in newly disturbed construction areas or roadside right-of-ways. If allowed to prosper it produces large amounts of seeds and can out compete desirable plant species.

In past years the City of Sedona has worked in conjunction with the USDA Animal and Plant Health Protection Service (APHPS) Plant Protection and Quarantine (PPQ) department to identify and control Onion Weed infestations in the Sedona area. Manual removal of individual plants and/or applications of Roundup herbicide are the preferred methods of control.

The City of Sedona is dedicated to the protection of our environment and the preservation of our native areas. We welcome public input and solicit the help of the community in these efforts. For questions, or to report concerns regarding sightings of any invasive species, please contact:

Pete Garcia
City Maintenance Supervisor
City of Sedona Public Works Department
Maintenance Services