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Building Seed Supply of Early-Emerging Milkweeds and Late-Season Nectar Plants for Monarchs in California’s San Joaquin Valley

Case Study Tech Note

This case study presents a summary of a three-year project to increase the commercial supply of native plant materials for western monarchs, specifically early-emerging milkweeds and late-season nectar plants of San Joaquin Valley ecotypes. The tech note outlines the main activities, methods, and outcomes. The project was a collaboration between the Xerces Society, Great Valley Seed, and California Bureau of Land Management. 

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Serial Number
23-029
Version Number
01