COSCA Invasive Species Management 2026 - Phase 2

The Conejo Open Space Conservation Agency (COSCA) is seeking proposals for the control of Russian thistle (Salsola species) at four work sites in the COSCA open space system. The project involves spot application of herbicide, and the selected entity must demonstrate prior experience with non-native plant management projects, be highly proficient in native and non-native plant identification, and possess a valid C-27 Landscape Contractor License from the state of California. The contractor must also be licensed by the California Dept. of Pesticide Regulation (CDPR) as a Pest Control Operator, and the individual(s) applying the treatment must possess a Qualified Applicator’s License or Certificate (QAL/C) from CDPR, or be under the direct supervision of a QAL/C. • The project has four work sites: Labisco Hill, Lang Ranch, Sunset Hills, and Woodridge. • The treatment methodology will entail foliar application of triclopyr (e.g., Garlon) for Russian thistle, and cut stump application of triclopyr (e.g., Garlon) for tree tobacco at the Sunset Hills site. • The contractor must provide digital sketches of the treated areas as deliverables. • The project is expected to take less than 3 weeks to complete from the issuance of the notice to proceed.