AUTUMN THUNDER - George Sutton, 2000, TB, 37", EML + Rebloom, Blend. Ruffled violet blue standards top deep blue violet falls that darker toward edge with methyl violet beards. Slight musky fragrance. From the 2022 Rebloom Checklist. Rebloom reported in: CA, NC, NM, TN, TX, Ontario, Australia. USDA Zones 4, 5, 7, 8, 9, 9b, 10, 10a. Should rebloom in Wisconsin