Big Boy. Pehrson/Hollingsworth. 2000. Herbaceous hybrid. Parentage: Seed of unnamed bomb lactiflora, pollen from Archangel. White, first bloomed before 1980. Single, flat form, stamens, pollen and seeds. Reliable. One or two buds per stem. Height 30 inches early to midseason bloom. Good stem strength. Ships in late September to mid October.