Caption: "Phlox paniculata 'Katherine', 2017, Tall [Garden Phlox], FLOCKS puh-nick-you -LAY-tuh, 2-3 ft #Perennial, USDA Hardiness Zone 4-8, Blue lilac, Bloom Month 7, In Garden Bed S3 for 1.2 YEARS. Dense, blue-lilac trusses have a white center to each floret. #