WE PROPOSE TO ADDRESS CRITICAL KNOWLEDGE GAPS TO SUPPORT THE DEVELOPMENT OF POLLINATOR-DEPENDENT PLANT MATERIALS FOR USE IN THE RAPIDLY GROWING"RESTORATION ECONOMY," WHERE AGENCIES, NONPROFITS, AND BUSINESSES COLLABORATE TO RESTORE DEGRADED ECOSYSTEMS TO PROMOTE AGRICULTURE, TOURISM, CONSERVATION, FIRE RESILIENCE, MULTI-USE LANDSCAPES, AND MORE.WE PROPOSE THE LARGEST TO-DATE PROVENANCE TRIAL IN THE ARID WESTERN US, INCLUDING NEARLY 50,000 PLANTS OF 12 PLANT SPECIES TO DEVELOP SEED ZONE GUIDELINES AND PREDICT PLANT-POLLINATOR RESPONSE TO CLIMATE CHANGE. WE WILL ALSO INITIATE A REGIONAL SEED PRODUCTION TRIAL OF 105,000 PLANTS TO SPEARHEAD A FARM-BASED SEED DEVELOPMENT PROGRAM FOR POLLINATOR PLANTS ACROSS THREE STATES.