2021 Wild Blueberry Phenology Record Please reference the Maine Wild Blueberry Phenology Guide (PDF), for detailed stage identification. For mapped locations please return to the Real-Time Wild Blueberry Phenology Tracker. See Development Stages Below. Locations: Waldoboro Hope Searsport Sedgwick Ellsworth Deblois Montegail Jonesboro Wesley Marion Week 1  4/12/21 to 4/16/21 Crop Cycle Stages % Winter